diff --git a/build.gradle.kts b/build.gradle.kts
index 2eb66dca3..48c18003e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("UnstableApiUsage", "UNUSED_VARIABLE")
 
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
@@ -229,9 +238,9 @@ val experimentalAnnotations = arrayOf(
     "kotlin.RequiresOptIn",
     "kotlin.contracts.ExperimentalContracts",
     "kotlin.experimental.ExperimentalTypeInference",
-    "net.mamoe.mirai.utils.MiraiInternalAPI",
-    "net.mamoe.mirai.utils.MiraiExperimentalAPI",
-    "net.mamoe.mirai.LowLevelAPI",
+    "net.mamoe.mirai.utils.MiraiInternalApi",
+    "net.mamoe.mirai.utils.MiraiExperimentalApi",
+    "net.mamoe.mirai.LowLevelApi",
     "kotlinx.serialization.ExperimentalSerializationApi"
 )
 
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 4d9233c82..1002f44e3 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 plugins {
     `kotlin-dsl`
 }
diff --git a/buildSrc/settings.gradle.kts b/buildSrc/settings.gradle.kts
index e69de29bb..e5b95cae5 100644
--- a/buildSrc/settings.gradle.kts
+++ b/buildSrc/settings.gradle.kts
@@ -0,0 +1,9 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
diff --git a/buildSrc/src/main/kotlin/PublishingHelpers.kt b/buildSrc/src/main/kotlin/PublishingHelpers.kt
index 515327531..e1d11b63c 100644
--- a/buildSrc/src/main/kotlin/PublishingHelpers.kt
+++ b/buildSrc/src/main/kotlin/PublishingHelpers.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE", "NOTHING_TO_INLINE", "RemoveRedundantBackticks")
 
 import com.github.jengelman.gradle.plugins.shadow.ShadowPlugin
diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index 911c2ce0d..122b6f0c3 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("ObjectPropertyName", "ObjectPropertyName", "unused")
 /*
 * Copyright 2019-2020 Mamoe Technologies and contributors.
diff --git a/buildSrc/src/main/kotlin/upload/Bintray.kt b/buildSrc/src/main/kotlin/upload/Bintray.kt
index 5d0323a00..add7560ae 100644
--- a/buildSrc/src/main/kotlin/upload/Bintray.kt
+++ b/buildSrc/src/main/kotlin/upload/Bintray.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package upload
 
 import org.gradle.api.Project
diff --git a/buildSrc/src/main/kotlin/utils.kt b/buildSrc/src/main/kotlin/utils.kt
index 9dd5269ca..21986ba02 100644
--- a/buildSrc/src/main/kotlin/utils.kt
+++ b/buildSrc/src/main/kotlin/utils.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 import java.io.InputStream
 import java.io.OutputStream
 import java.security.MessageDigest
diff --git a/gradle.properties b/gradle.properties
index bb44b0b8d..cc3187dd9 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,11 @@
+#
+# Copyright 2019-2020 Mamoe Technologies and contributors.
+#
+#  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+#  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+#
+#  https://github.com/mamoe/mirai/blob/master/LICENSE
+#
 # style guide
 kotlin.code.style=official
 # config
diff --git a/gradle/android.gradle b/gradle/android.gradle
index 31536c586..001c42409 100644
--- a/gradle/android.gradle
+++ b/gradle/android.gradle
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 apply plugin: "com.android.library"
 
 android {
diff --git a/gradle/api-validation.gradle b/gradle/api-validation.gradle
index c3434f235..f0836c84f 100644
--- a/gradle/api-validation.gradle
+++ b/gradle/api-validation.gradle
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 apiValidation {
     ignoredPackages += [
             "net.mamoe.mirai.event.internal",
diff --git a/gradle/bintray.gradle b/gradle/bintray.gradle
index 346e5b100..a9c102777 100644
--- a/gradle/bintray.gradle
+++ b/gradle/bintray.gradle
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 publishing {
     repositories {
         maven {
diff --git a/gradle/publish.gradle b/gradle/publish.gradle
index 9c9c7b62c..db32312c2 100644
--- a/gradle/publish.gradle
+++ b/gradle/publish.gradle
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 // 部分源码来自 kotlinx.coroutines
 // Source code from kotlinx.coroutines
 
diff --git a/gradle/publishOld.gradle b/gradle/publishOld.gradle
index 001960256..1e71b1d94 100644
--- a/gradle/publishOld.gradle
+++ b/gradle/publishOld.gradle
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 import upload.Bintray
 
 // 部分源码来自 kotlinx.coroutines
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6243a50d1..cba462d3b 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,3 +1,11 @@
+#
+# Copyright 2019-2020 Mamoe Technologies and contributors.
+#
+#  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+#  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+#
+#  https://github.com/mamoe/mirai/blob/master/LICENSE
+#
 #Tue Mar 31 10:18:00 CST 2020
 distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
 distributionBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
index 2fe81a7d9..d77a7183f 100644
--- a/gradlew
+++ b/gradlew
@@ -1,19 +1,12 @@
 #!/usr/bin/env sh
 
 #
-# Copyright 2015 the original author or authors.
+# Copyright 2019-2020 Mamoe Technologies and contributors.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+#  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+#  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
 #
-#      https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+#  https://github.com/mamoe/mirai/blob/master/LICENSE
 #
 
 ##############################################################################
diff --git a/mirai-core-all/build.gradle.kts b/mirai-core-all/build.gradle.kts
index 51c5e2bab..92edf6fbf 100644
--- a/mirai-core-all/build.gradle.kts
+++ b/mirai-core-all/build.gradle.kts
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("UnusedImport")
 
 plugins {
diff --git a/mirai-core-api/build.gradle.kts b/mirai-core-api/build.gradle.kts
index 3eaf02f2b..8ac9819c6 100644
--- a/mirai-core-api/build.gradle.kts
+++ b/mirai-core-api/build.gradle.kts
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("UNUSED_VARIABLE")
 
 plugins {
diff --git a/mirai-core-api/src/commonMain/kotlin/Bot.kt b/mirai-core-api/src/commonMain/kotlin/Bot.kt
index 2fbca4e8b..839320dbd 100644
--- a/mirai-core-api/src/commonMain/kotlin/Bot.kt
+++ b/mirai-core-api/src/commonMain/kotlin/Bot.kt
@@ -1,32 +1,26 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress(
     "EXPERIMENTAL_API_USAGE", "unused", "FunctionName", "NOTHING_TO_INLINE", "UnusedImport",
-    "EXPERIMENTAL_OVERRIDE", "CanBeParameter", "MemberVisibilityCanBePrivate"
+    "EXPERIMENTAL_OVERRIDE", "CanBeParameter", "MemberVisibilityCanBePrivate", "INAPPLICABLE_JVM_NAME",
+    "EXPOSED_SUPER_CLASS"
 )
 
 package net.mamoe.mirai
 
 import kotlinx.coroutines.*
 import net.mamoe.mirai.contact.*
-import net.mamoe.mirai.event.events.BotInvitedJoinGroupRequestEvent
-import net.mamoe.mirai.event.events.MemberJoinRequestEvent
-import net.mamoe.mirai.event.events.NewFriendRequestEvent
-import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.action.BotNudge
 import net.mamoe.mirai.message.action.MemberNudge
-import net.mamoe.mirai.message.action.Nudge
-import net.mamoe.mirai.message.data.*
 import net.mamoe.mirai.network.LoginFailedException
 import net.mamoe.mirai.utils.*
 import kotlin.coroutines.CoroutineContext
-import kotlin.coroutines.EmptyCoroutineContext
 import kotlin.jvm.JvmField
 import kotlin.jvm.JvmStatic
 import kotlin.jvm.JvmSynthetic
@@ -48,10 +42,9 @@ public suspend inline fun <B : Bot> B.alsoLogin(): B = also { login() }
  *
  * @see BotFactory 构造 [Bot] 的工厂, [Bot] 唯一的构造方式.
  */
-@Suppress("INAPPLICABLE_JVM_NAME", "EXPOSED_SUPER_CLASS")
 public abstract class Bot internal constructor(
     public val configuration: BotConfiguration
-) : CoroutineScope, LowLevelBotAPIAccessor, BotJavaFriendlyAPI, ContactOrBot {
+) : CoroutineScope, ContactOrBot {
     public final override val coroutineContext: CoroutineContext = // for id
         configuration.parentCoroutineContext
             .plus(SupervisorJob(configuration.parentCoroutineContext[Job]))
@@ -124,7 +117,7 @@ public abstract class Bot internal constructor(
      * 在 JVM 的默认实现为 `class ContextImpl : Context`
      * 在 Android 实现为 `android.content.Context`
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public abstract val context: Context
 
     /**
@@ -151,10 +144,10 @@ public abstract class Bot internal constructor(
     // region contacts
 
     /**
-     * [User.id] 与 [Bot.id] 相同的 [_lowLevelNewFriend] 实例
+     * [User.id] 与 [Bot.id] 相同的 [Friend] 实例
      */
-    @MiraiExperimentalAPI
-    public abstract val selfQQ: Friend
+    @MiraiExperimentalApi
+    public abstract val asFriend: Friend
 
 
     /**
@@ -183,8 +176,6 @@ public abstract class Bot internal constructor(
 
     // endregion
 
-    // region network
-
     /**
      * 登录, 或重新登录.
      * 这个函数总是关闭一切现有网路任务 (但不会关闭其他任务), 然后重新登录并重新缓存好友列表和群列表.
@@ -196,170 +187,16 @@ public abstract class Bot internal constructor(
      */
     @JvmSynthetic
     public abstract suspend fun login()
-    // endregion
-
-
-    // region actions
-
-    /**
-     * 撤回这条消息. 可撤回自己 2 分钟内发出的消息, 和任意时间的群成员的消息.
-     *
-     * [Bot] 撤回自己的消息不需要权限.
-     * [Bot] 撤回群员的消息需要管理员权限.
-     *
-     * @param source 消息源. 可从 [MessageReceipt.source] 获得, 或从消息事件中的 [MessageChain] 获得, 或通过 [buildMessageSource] 构建.
-     *
-     * @throws PermissionDeniedException 当 [Bot] 无权限操作时抛出
-     * @throws IllegalStateException 当这条消息已经被撤回时抛出 (仅同步主动操作)
-     *
-     * @see Bot.recall (扩展函数) 接受参数 [MessageChain]
-     * @see MessageSource.recall 撤回消息扩展
-     */
-    @JvmSynthetic
-    public abstract suspend fun recall(source: MessageSource)
 
     /**
      * 创建一个 "戳一戳" 消息
      *
      * @see MemberNudge.sendTo 发送这个戳一戳消息
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @SinceMirai("1.3.0")
     public fun nudge(): BotNudge = BotNudge(this)
 
-    /**
-     * 获取图片下载链接
-     *
-     * @see Image.queryUrl [Image] 的扩展函数
-     */
-    @PlannedRemoval("1.2.0")
-    @Deprecated(
-        "use extension.",
-        replaceWith = ReplaceWith("image.queryUrl()", imports = ["queryUrl"]),
-        level = DeprecationLevel.ERROR
-    )
-    @JvmSynthetic
-    public abstract suspend fun queryImageUrl(image: Image): String
-
-    /**
-     * 构造一个 [OfflineMessageSource]
-     *
-     * @param id 即 [MessageSource.id]
-     * @param internalId 即 [MessageSource.internalId]
-     *
-     * @param fromUin 为用户时为 [Friend.id], 为群时需使用 [Group.calculateGroupUinByGroupCode] 计算
-     * @param targetUin 为用户时为 [Friend.id], 为群时需使用 [Group.calculateGroupUinByGroupCode] 计算
-     */
-    @MiraiExperimentalAPI("This is very experimental and is subject to change.")
-    public abstract fun constructMessageSource(
-        kind: OfflineMessageSource.Kind,
-        fromUin: Long, targetUin: Long,
-        id: Int, time: Int, internalId: Int,
-        originalMessage: MessageChain
-    ): OfflineMessageSource
-
-
-    /**
-     * 通过好友验证
-     *
-     * @param event 好友验证的事件对象
-     */
-    @PlannedRemoval("1.2.0")
-    @Deprecated("use member function.", replaceWith = ReplaceWith("event.accept()"), level = DeprecationLevel.ERROR)
-    @JvmSynthetic
-    public abstract suspend fun acceptNewFriendRequest(event: NewFriendRequestEvent)
-
-    /**
-     * 拒绝好友验证
-     *
-     * @param event 好友验证的事件对象
-     * @param blackList 拒绝后是否拉入黑名单
-     */
-    @PlannedRemoval("1.2.0")
-    @Deprecated(
-        "use member function.",
-        replaceWith = ReplaceWith("event.reject(blackList)"),
-        level = DeprecationLevel.ERROR
-    )
-    @JvmSynthetic
-    public abstract suspend fun rejectNewFriendRequest(event: NewFriendRequestEvent, blackList: Boolean = false)
-
-    /**
-     * 通过加群验证（需管理员权限）
-     *
-     * @param event 加群验证的事件对象
-     */
-    @PlannedRemoval("1.2.0")
-    @Deprecated("use member function.", replaceWith = ReplaceWith("event.accept()"), level = DeprecationLevel.ERROR)
-    @JvmSynthetic
-    public abstract suspend fun acceptMemberJoinRequest(event: MemberJoinRequestEvent)
-
-    /**
-     * 拒绝加群验证（需管理员权限）
-     *
-     * @param event 加群验证的事件对象
-     * @param blackList 拒绝后是否拉入黑名单
-     */
-    @PlannedRemoval("1.2.0")
-    @Deprecated(
-        "use member function.",
-        replaceWith = ReplaceWith("event.reject(blackList)"),
-        level = DeprecationLevel.HIDDEN
-    )
-    public abstract suspend fun rejectMemberJoinRequest(event: MemberJoinRequestEvent, blackList: Boolean = false)
-
-    @JvmSynthetic
-    public abstract suspend fun rejectMemberJoinRequest(
-        event: MemberJoinRequestEvent,
-        blackList: Boolean = false,
-        message: String = ""
-    )
-
-    /**
-     * 忽略加群验证（需管理员权限）
-     *
-     * @param event 加群验证的事件对象
-     * @param blackList 忽略后是否拉入黑名单
-     */
-    @PlannedRemoval("1.2.0")
-    @Deprecated(
-        "use member function.",
-        replaceWith = ReplaceWith("event.ignore(blackList)"),
-        level = DeprecationLevel.ERROR
-    )
-    @JvmSynthetic
-    public abstract suspend fun ignoreMemberJoinRequest(event: MemberJoinRequestEvent, blackList: Boolean = false)
-
-    /**
-     * 接收邀请入群（需管理员权限）
-     *
-     * @param event 邀请入群的事件对象
-     */
-    @PlannedRemoval("1.2.0")
-    @Deprecated("use member function.", replaceWith = ReplaceWith("event.accept()"), level = DeprecationLevel.ERROR)
-    @JvmSynthetic
-    public abstract suspend fun acceptInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent)
-
-    /**
-     * 忽略邀请入群（需管理员权限）
-     *
-     * @param event 邀请入群的事件对象
-     */
-    @PlannedRemoval("1.2.0")
-    @Deprecated("use member function.", replaceWith = ReplaceWith("event.ignore()"), level = DeprecationLevel.ERROR)
-    @JvmSynthetic
-    public abstract suspend fun ignoreInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent)
-
-    @Deprecated(
-        "use member function.",
-        replaceWith = ReplaceWith("nudge.sendTo(contact)"),
-        level = DeprecationLevel.ERROR
-    )
-    @SinceMirai("1.3.0")
-    public abstract suspend fun sendNudge(nudge: Nudge, receiver: Contact): Boolean
-
-    // endregion
-
     /**
      * 关闭这个 [Bot], 立即取消 [Bot] 的 [SupervisorJob].
      * 之后 [isActive] 将会返回 `false`.
@@ -389,53 +226,6 @@ public val Bot.supervisorJob: CompletableJob
 @JvmSynthetic
 public suspend inline fun Bot.join(): Unit = this.coroutineContext[Job]!!.join()
 
-/**
- * 撤回这条消息.
- *
- * [Bot] 撤回自己的消息不需要权限, 但需要在发出后 2 分钟内撤回.
- * [Bot] 撤回群员的消息需要管理员权限, 可在任意时间撤回.
- *
- * @throws PermissionDeniedException 当 [Bot] 无权限操作时
- * @see Bot.recall
- */
-@JvmSynthetic
-public suspend inline fun Bot.recall(message: MessageChain): Unit =
-    this.recall(message.source)
-
-/**
- * 在一段时间后撤回这个消息源所指代的消息.
- *
- * @param millis 延迟的时间, 单位为毫秒
- * @param coroutineContext 额外的 [CoroutineContext]
- * @see recall
- */
-@JvmSynthetic
-public inline fun CoroutineScope.recallIn(
-    source: MessageSource,
-    millis: Long,
-    coroutineContext: CoroutineContext = EmptyCoroutineContext
-): Job = this.launch(coroutineContext + CoroutineName("MessageRecall")) {
-    delay(millis)
-    source.recall()
-}
-
-/**
- * 在一段时间后撤回这条消息.
- *
- * @param millis 延迟的时间, 单位为毫秒
- * @param coroutineContext 额外的 [CoroutineContext]
- * @see recall
- */
-@JvmSynthetic
-public inline fun CoroutineScope.recallIn(
-    message: MessageChain,
-    millis: Long,
-    coroutineContext: CoroutineContext = EmptyCoroutineContext
-): Job = this.launch(coroutineContext + CoroutineName("MessageRecall")) {
-    delay(millis)
-    message.recall()
-}
-
 /**
  * 关闭这个 [Bot], 停止一切相关活动. 所有引用都会被释放.
  *
diff --git a/mirai-core-api/src/commonMain/kotlin/BotFactory.kt b/mirai-core-api/src/commonMain/kotlin/BotFactory.kt
index bd4dde5e8..3da94b596 100644
--- a/mirai-core-api/src/commonMain/kotlin/BotFactory.kt
+++ b/mirai-core-api/src/commonMain/kotlin/BotFactory.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("FunctionName", "INAPPLICABLE_JVM_NAME", "DEPRECATION_ERROR", "DeprecatedCallableAddReplaceWith")
diff --git a/mirai-core-api/src/commonMain/kotlin/Mirai.kt b/mirai-core-api/src/commonMain/kotlin/Mirai.kt
new file mode 100644
index 000000000..9d0b9cda2
--- /dev/null
+++ b/mirai-core-api/src/commonMain/kotlin/Mirai.kt
@@ -0,0 +1,163 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+@file:Suppress("INTERFACE_NOT_SUPPORTED")
+
+package net.mamoe.mirai
+
+import net.mamoe.kjbb.JvmBlockingBridge
+import net.mamoe.mirai.contact.Contact
+import net.mamoe.mirai.contact.Friend
+import net.mamoe.mirai.contact.Group
+import net.mamoe.mirai.contact.PermissionDeniedException
+import net.mamoe.mirai.event.events.BotInvitedJoinGroupRequestEvent
+import net.mamoe.mirai.event.events.MemberJoinRequestEvent
+import net.mamoe.mirai.event.events.NewFriendRequestEvent
+import net.mamoe.mirai.message.MessageReceipt
+import net.mamoe.mirai.message.action.Nudge
+import net.mamoe.mirai.message.data.*
+import net.mamoe.mirai.utils.MiraiExperimentalApi
+import kotlin.jvm.JvmSynthetic
+
+@OptIn(LowLevelApi::class, MiraiExperimentalApi::class)
+public interface Mirai : LowLevelApiAccessor {
+    @Suppress("PropertyName")
+    @MiraiExperimentalApi
+    public val BotFactory: BotFactory
+
+    /**
+     * 撤回这条消息. 可撤回自己 2 分钟内发出的消息, 和任意时间的群成员的消息.
+     *
+     * [Bot] 撤回自己的消息不需要权限.
+     * [Bot] 撤回群员的消息需要管理员权限.
+     *
+     * @param source 消息源. 可从 [MessageReceipt.source] 获得, 或从消息事件中的 [MessageChain] 获得, 或通过 [buildMessageSource] 构建.
+     *
+     * @throws PermissionDeniedException 当 [Bot] 无权限操作时抛出
+     * @throws IllegalStateException 当这条消息已经被撤回时抛出 (仅同步主动操作)
+     *
+     * @see Mirai.recall (扩展函数) 接受参数 [MessageChain]
+     * @see MessageSource.recall 撤回消息扩展
+     */
+    @JvmBlockingBridge
+    public suspend fun recall(bot: Bot, source: MessageSource)
+
+    @JvmBlockingBridge
+    public suspend fun sendNudge(bot: Bot, nudge: Nudge, receiver: Contact): Boolean
+
+    public fun createImage(imageId: String): Image
+
+    /**
+     * 获取图片下载链接
+     *
+     * @see Image.queryUrl [Image] 的扩展函数
+     */
+    @JvmBlockingBridge
+    public suspend fun queryImageUrl(bot: Bot, image: Image): String
+
+    /**
+     * 构造一个 [OfflineMessageSource]
+     *
+     * @param id 即 [MessageSource.id]
+     * @param internalId 即 [MessageSource.internalId]
+     *
+     * @param fromUin 为用户时为 [Friend.id], 为群时需使用 [Group.calculateGroupUinByGroupCode] 计算
+     * @param targetUin 为用户时为 [Friend.id], 为群时需使用 [Group.calculateGroupUinByGroupCode] 计算
+     */
+    @MiraiExperimentalApi("This is very experimental and is subject to change.")
+    public fun constructMessageSource(
+        bot: Bot,
+        kind: OfflineMessageSource.Kind,
+        fromUin: Long, targetUin: Long,
+        id: Int, time: Int, internalId: Int,
+        originalMessage: MessageChain
+    ): OfflineMessageSource
+
+
+    /**
+     * 通过好友验证
+     *
+     * @param event 好友验证的事件对象
+     */
+    @JvmBlockingBridge
+    public suspend fun acceptNewFriendRequest(event: NewFriendRequestEvent)
+
+    /**
+     * 拒绝好友验证
+     *
+     * @param event 好友验证的事件对象
+     * @param blackList 拒绝后是否拉入黑名单
+     */
+    @JvmBlockingBridge
+    public suspend fun rejectNewFriendRequest(event: NewFriendRequestEvent, blackList: Boolean = false)
+
+    /**
+     * 通过加群验证（需管理员权限）
+     *
+     * @param event 加群验证的事件对象
+     */
+    @JvmBlockingBridge
+    public suspend fun acceptMemberJoinRequest(event: MemberJoinRequestEvent)
+
+    /**
+     * 拒绝加群验证（需管理员权限）
+     *
+     * @param event 加群验证的事件对象
+     * @param blackList 拒绝后是否拉入黑名单
+     */
+    @JvmBlockingBridge
+    public suspend fun rejectMemberJoinRequest(
+        event: MemberJoinRequestEvent,
+        blackList: Boolean = false,
+        message: String = ""
+    )
+
+    /**
+     * 忽略加群验证（需管理员权限）
+     *
+     * @param event 加群验证的事件对象
+     * @param blackList 忽略后是否拉入黑名单
+     */
+    @JvmBlockingBridge
+    public suspend fun ignoreMemberJoinRequest(event: MemberJoinRequestEvent, blackList: Boolean = false)
+
+    /**
+     * 接收邀请入群（需管理员权限）
+     *
+     * @param event 邀请入群的事件对象
+     */
+    @JvmBlockingBridge
+    public suspend fun acceptInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent)
+
+    /**
+     * 忽略邀请入群（需管理员权限）
+     *
+     * @param event 邀请入群的事件对象
+     */
+    @JvmBlockingBridge
+    public suspend fun ignoreInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent)
+
+
+    public companion object INSTANCE : Mirai by findMiraiInstance()
+}
+
+/**
+ * 撤回这条消息.
+ *
+ * [Bot] 撤回自己的消息不需要权限, 但需要在发出后 2 分钟内撤回.
+ * [Bot] 撤回群员的消息需要管理员权限, 可在任意时间撤回.
+ *
+ * @throws PermissionDeniedException 当 [Bot] 无权限操作时
+ * @see Mirai.recall
+ */
+@JvmSynthetic
+public suspend inline fun Mirai.recall(bot: Bot, message: MessageChain): Unit =
+    this.recall(bot, message.source)
+
+internal expect fun findMiraiInstance(): Mirai
\ No newline at end of file
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/Contact.kt b/mirai-core-api/src/commonMain/kotlin/contact/Contact.kt
index d5350bcc0..d97eded06 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/Contact.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/Contact.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "NOTHING_TO_INLINE", "EXPERIMENTAL_OVERRIDE")
@@ -13,21 +13,18 @@
 package net.mamoe.mirai.contact
 
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Job
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.JavaFriendlyAPI
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.event.events.*
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.*
 import net.mamoe.mirai.message.quote
 import net.mamoe.mirai.message.recall
 import net.mamoe.mirai.recall
-import net.mamoe.mirai.recallIn
 import net.mamoe.mirai.utils.ExternalImage
 import net.mamoe.mirai.utils.OverFileSizeMaxException
 import net.mamoe.mirai.utils.WeakRefProperty
-import kotlin.coroutines.CoroutineContext
-import kotlin.coroutines.EmptyCoroutineContext
 import kotlin.jvm.JvmSynthetic
 
 
@@ -35,7 +32,7 @@ import kotlin.jvm.JvmSynthetic
  * 联系对象, 即可以与 [Bot] 互动的对象. 包含 [用户][User], 和 [群][Group].
  */
 @Suppress("EXPOSED_SUPER_CLASS")
-public abstract class Contact : ContactOrBot, CoroutineScope, ContactJavaFriendlyAPI {
+public abstract class Contact : ContactOrBot, CoroutineScope {
     /**
      * 这个联系对象所属 [Bot].
      */
@@ -99,33 +96,13 @@ public abstract class Contact : ContactOrBot, CoroutineScope, ContactJavaFriendl
 }
 
 /**
- * @see Bot.recall
+ * @see Mirai.recall
  */
 @JvmSynthetic
-public suspend inline fun Contact.recall(source: MessageChain): Unit = this.bot.recall(source)
+public suspend inline fun Contact.recall(source: MessageChain): Unit = Mirai.recall(bot, source)
 
 /**
- * @see Bot.recall
+ * @see Mirai.recall
  */
 @JvmSynthetic
-public suspend inline fun Contact.recall(source: MessageSource): Unit = this.bot.recall(source)
-
-/**
- * @see Bot.recallIn
- */
-@JvmSynthetic
-public inline fun Contact.recallIn(
-    message: MessageChain,
-    millis: Long,
-    coroutineContext: CoroutineContext = EmptyCoroutineContext
-): Job = this.bot.recallIn(message, millis, coroutineContext)
-
-/**
- * @see Bot.recallIn
- */
-@JvmSynthetic
-public inline fun Contact.recallIn(
-    source: MessageSource,
-    millis: Long,
-    coroutineContext: CoroutineContext = EmptyCoroutineContext
-): Job = this.bot.recallIn(source, millis, coroutineContext)
\ No newline at end of file
+public suspend inline fun Contact.recall(source: MessageSource): Unit = Mirai.recall(bot, source)
\ No newline at end of file
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/ContactList.kt b/mirai-core-api/src/commonMain/kotlin/contact/ContactList.kt
index c4175e078..6be74c496 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/ContactList.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/ContactList.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "unused")
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/ContactOrBot.kt b/mirai-core-api/src/commonMain/kotlin/contact/ContactOrBot.kt
index 37f763f1f..a1b7d4fb8 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/ContactOrBot.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/ContactOrBot.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.contact
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/Exceptions.kt b/mirai-core-api/src/commonMain/kotlin/contact/Exceptions.kt
index 2388674c2..aa0efa7e2 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/Exceptions.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/Exceptions.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused")
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/Friend.kt b/mirai-core-api/src/commonMain/kotlin/contact/Friend.kt
index fc6199e0e..38b4b6fb5 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/Friend.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/Friend.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "unused", "UnusedImport")
@@ -23,7 +23,7 @@ import net.mamoe.mirai.message.data.Message
 import net.mamoe.mirai.message.data.PlainText
 import net.mamoe.mirai.message.data.isContentEmpty
 import net.mamoe.mirai.message.recall
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.SinceMirai
 import kotlin.jvm.JvmSynthetic
 
@@ -82,7 +82,7 @@ public abstract class Friend : User(), CoroutineScope {
      *
      * @see FriendNudge.sendTo 发送这个戳一戳消息
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @SinceMirai("1.3.0")
     public final override fun nudge(): FriendNudge = FriendNudge(this)
 
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/Group.kt b/mirai-core-api/src/commonMain/kotlin/contact/Group.kt
index 359a0932e..08dafe339 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/Group.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/Group.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "unused", "UnusedImport")
@@ -15,7 +15,7 @@ import kotlinx.coroutines.CoroutineScope
 import net.mamoe.kjbb.JvmBlockingBridge
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.JavaFriendlyAPI
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
 import net.mamoe.mirai.data.MemberInfo
 import net.mamoe.mirai.event.events.*
 import net.mamoe.mirai.message.MessageReceipt
@@ -63,7 +63,7 @@ public abstract class Group : Contact(), CoroutineScope {
     /**
      * [Bot] 在群内的 [Member] 实例
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public abstract val botAsMember: Member
 
     /**
@@ -127,8 +127,8 @@ public abstract class Group : Contact(), CoroutineScope {
      * 构造一个 [Member].
      * 非特殊情况请不要使用这个函数. 优先使用 [get].
      */
-    @LowLevelAPI
-    @MiraiExperimentalAPI("dangerous")
+    @LowLevelApi
+    @MiraiExperimentalApi("dangerous")
     public abstract fun newMember(memberInfo: MemberInfo): Member
 
     /**
@@ -184,7 +184,7 @@ public abstract class Group : Contact(), CoroutineScope {
      * @throws OverFileSizeMaxException 当语音文件过大而被服务器拒绝上传时. (最大大小约为 1 MB)
      */
     @JvmBlockingBridge
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @SinceMirai("1.2.0")
     public abstract suspend fun uploadVoice(input: InputStream): Voice
 
@@ -194,7 +194,7 @@ public abstract class Group : Contact(), CoroutineScope {
          * 使用 groupCode 计算 groupUin. 这两个值仅在 mirai 内部协议区分, 一般人使用时无需在意.
          * @suppress internal api
          */
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @JvmStatic
         public fun calculateGroupUinByGroupCode(groupCode: Long): Long =
             CommonGroupCalculations.calculateGroupUinByGroupCode(groupCode)
@@ -203,7 +203,7 @@ public abstract class Group : Contact(), CoroutineScope {
          * 使用 groupUin 计算 groupCode. 这两个值仅在 mirai 内部协议区分, 一般人使用时无需在意.
          * @suppress internal api
          */
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @JvmStatic
         public fun calculateGroupCodeByGroupUin(groupUin: Long): Long =
             CommonGroupCalculations.calculateGroupCodeByGroupUin(groupUin)
@@ -269,7 +269,7 @@ public interface GroupSettings {
     /**
      * 自动加群审批
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public val isAutoApproveEnabled: Boolean
 
     /**
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/JavaFriendly.common.kt b/mirai-core-api/src/commonMain/kotlin/contact/JavaFriendly.common.kt
deleted file mode 100644
index e315e3050..000000000
--- a/mirai-core-api/src/commonMain/kotlin/contact/JavaFriendly.common.kt
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
- *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
- *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-package net.mamoe.mirai.contact
-
-import net.mamoe.mirai.JavaFriendlyAPI
-
-/**
- * [Contact] 中为了让 `Java` 更容易调用的 API.
- * 不要用它作为一个类型, 只应使用其中的方法
- */
-@JavaFriendlyAPI
-internal expect interface ContactJavaFriendlyAPI
-
-/**
- * [Member] 中为了让 `Java` 更容易调用的 API
- * 不要用它作为一个类型, 只应使用其中的方法
- */
-@Suppress("DEPRECATION_ERROR")
-@JavaFriendlyAPI
-internal expect interface MemberJavaFriendlyAPI
\ No newline at end of file
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/Member.kt b/mirai-core-api/src/commonMain/kotlin/contact/Member.kt
index f336fce9e..775a10e2f 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/Member.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/Member.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "UnusedImport")
@@ -22,7 +22,7 @@ import net.mamoe.mirai.message.data.Message
 import net.mamoe.mirai.message.data.PlainText
 import net.mamoe.mirai.message.data.isContentEmpty
 import net.mamoe.mirai.message.recall
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.SinceMirai
 import net.mamoe.mirai.utils.WeakRefProperty
 import kotlin.jvm.JvmSynthetic
@@ -40,7 +40,7 @@ import kotlin.time.ExperimentalTime
  */
 @Suppress("INAPPLICABLE_JVM_NAME", "EXPOSED_SUPER_CLASS")
 @OptIn(JavaFriendlyAPI::class)
-public abstract class Member : MemberJavaFriendlyAPI, User() {
+public abstract class Member : User() {
     /**
      * 所在的群.
      */
@@ -166,7 +166,7 @@ public abstract class Member : MemberJavaFriendlyAPI, User() {
      *
      * @see MemberNudge.sendTo 发送这个戳一戳消息
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @SinceMirai("1.3.0")
     public final override fun nudge(): Nudge = MemberNudge(this)
 
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/MemberPermission.kt b/mirai-core-api/src/commonMain/kotlin/contact/MemberPermission.kt
index df2add4fa..1e58b5473 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/MemberPermission.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/MemberPermission.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("NOTHING_TO_INLINE", "INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
diff --git a/mirai-core-api/src/commonMain/kotlin/contact/User.kt b/mirai-core-api/src/commonMain/kotlin/contact/User.kt
index 5a8d81aa1..77a07e42f 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/User.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/User.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "unused")
@@ -23,7 +23,7 @@ import net.mamoe.mirai.message.data.PlainText
 import net.mamoe.mirai.message.data.isContentEmpty
 import net.mamoe.mirai.message.recall
 import net.mamoe.mirai.utils.ExternalImage
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.OverFileSizeMaxException
 import net.mamoe.mirai.utils.SinceMirai
 import kotlin.jvm.JvmSynthetic
@@ -89,7 +89,7 @@ public abstract class User : Contact(), CoroutineScope {
      *
      * @see FriendNudge.sendTo 发送这个戳一戳消息
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @SinceMirai("1.3.0")
     public abstract fun nudge(): Nudge
 
diff --git a/mirai-core-api/src/commonMain/kotlin/data/FriendInfo.kt b/mirai-core-api/src/commonMain/kotlin/data/FriendInfo.kt
index 2a9fa1f6b..efb98b480 100644
--- a/mirai-core-api/src/commonMain/kotlin/data/FriendInfo.kt
+++ b/mirai-core-api/src/commonMain/kotlin/data/FriendInfo.kt
@@ -1,17 +1,17 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.data
 
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
 
-@LowLevelAPI
+@LowLevelApi
 public interface FriendInfo {
     public val uin: Long
 
diff --git a/mirai-core-api/src/commonMain/kotlin/data/GroupActiveData.kt b/mirai-core-api/src/commonMain/kotlin/data/GroupActiveData.kt
index 8a2d08313..3cdc9d77b 100644
--- a/mirai-core-api/src/commonMain/kotlin/data/GroupActiveData.kt
+++ b/mirai-core-api/src/commonMain/kotlin/data/GroupActiveData.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.data
@@ -12,13 +12,13 @@ package net.mamoe.mirai.data
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 
 
 /**
  * 群统计信息
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @Serializable
 public data class GroupActiveData(
 
diff --git a/mirai-core-api/src/commonMain/kotlin/data/GroupAnnouncement.kt b/mirai-core-api/src/commonMain/kotlin/data/GroupAnnouncement.kt
index 91311c7bf..ccdc72f4e 100644
--- a/mirai-core-api/src/commonMain/kotlin/data/GroupAnnouncement.kt
+++ b/mirai-core-api/src/commonMain/kotlin/data/GroupAnnouncement.kt
@@ -1,17 +1,17 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.data
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 
 /**
  * 群公告数据类
@@ -20,7 +20,7 @@ import net.mamoe.mirai.utils.MiraiExperimentalAPI
  * 发公告时只需要填写text，其他参数可为默认值
  *
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @Serializable
 public data class GroupAnnouncementList(
     val ec: Int,  //状态码 0 是正常的
@@ -29,7 +29,7 @@ public data class GroupAnnouncementList(
     val inst: List<GroupAnnouncement>? = null  //置顶列表？
 )
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @Serializable
 public data class GroupAnnouncement(
     @SerialName("u") val sender: Long = 0,
@@ -42,7 +42,7 @@ public data class GroupAnnouncement(
     val fid: String? = null      //公告的id
 )
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @Serializable
 public data class GroupAnnouncementMsg(
     val text: String,
@@ -50,7 +50,7 @@ public data class GroupAnnouncementMsg(
     val title: String? = null
 )
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @Serializable
 public data class GroupAnnouncementSettings(
     @SerialName("is_show_edit_card") val isShowEditCard: Int = 0,
diff --git a/mirai-core-api/src/commonMain/kotlin/data/GroupHonorListData.kt b/mirai-core-api/src/commonMain/kotlin/data/GroupHonorListData.kt
index 79f11792d..a8dbc2f3f 100644
--- a/mirai-core-api/src/commonMain/kotlin/data/GroupHonorListData.kt
+++ b/mirai-core-api/src/commonMain/kotlin/data/GroupHonorListData.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.data
 
 import kotlinx.serialization.KSerializer
@@ -9,14 +18,14 @@ import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
 import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.SinceMirai
 import kotlin.jvm.JvmStatic
 
 /**
  * 群荣誉信息
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.3.0")
 public enum class GroupHonorType(public val value: Int) {
     TALKATIVE(1),       // 龙王
@@ -27,13 +36,14 @@ public enum class GroupHonorType(public val value: Int) {
     ACTIVE(7),          // 活跃头衔
     EXCLUSIVE(8),       // 特殊头衔
     MANAGE(9);          // 管理头衔
+
     internal companion object {
         @JvmStatic
         internal fun deserializeFromInt(value: Int): GroupHonorType = values().first { it.value == value }
     }
 }
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.3.0")
 @Serializable
 public data class GroupHonorListData(
diff --git a/mirai-core-api/src/commonMain/kotlin/data/GroupInfo.kt b/mirai-core-api/src/commonMain/kotlin/data/GroupInfo.kt
index be17801be..18a672f70 100644
--- a/mirai-core-api/src/commonMain/kotlin/data/GroupInfo.kt
+++ b/mirai-core-api/src/commonMain/kotlin/data/GroupInfo.kt
@@ -1,20 +1,20 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.data
 
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
 
 /**
  * 群资料.
  */
-@LowLevelAPI
+@LowLevelApi
 public interface GroupInfo {
     /**
      * Uin
diff --git a/mirai-core-api/src/commonMain/kotlin/data/MemberInfo.kt b/mirai-core-api/src/commonMain/kotlin/data/MemberInfo.kt
index 078669675..59b72d2a4 100644
--- a/mirai-core-api/src/commonMain/kotlin/data/MemberInfo.kt
+++ b/mirai-core-api/src/commonMain/kotlin/data/MemberInfo.kt
@@ -1,18 +1,18 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.data
 
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
 import net.mamoe.mirai.contact.MemberPermission
 
-@LowLevelAPI
+@LowLevelApi
 public interface MemberInfo : FriendInfo {
     public val nameCard: String
 
diff --git a/mirai-core-api/src/commonMain/kotlin/data/OnlineStatus.kt b/mirai-core-api/src/commonMain/kotlin/data/OnlineStatus.kt
index d8f123d27..7566a3ccc 100644
--- a/mirai-core-api/src/commonMain/kotlin/data/OnlineStatus.kt
+++ b/mirai-core-api/src/commonMain/kotlin/data/OnlineStatus.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused")
diff --git a/mirai-core-api/src/commonMain/kotlin/data/Profile.kt b/mirai-core-api/src/commonMain/kotlin/data/Profile.kt
index ba63f0a6e..16bf73651 100644
--- a/mirai-core-api/src/commonMain/kotlin/data/Profile.kt
+++ b/mirai-core-api/src/commonMain/kotlin/data/Profile.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE")
diff --git a/mirai-core-api/src/commonMain/kotlin/event/Event.kt b/mirai-core-api/src/commonMain/kotlin/event/Event.kt
index 45812ce58..f29dd9906 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/Event.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/Event.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused")
@@ -16,7 +16,7 @@ import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import net.mamoe.mirai.JavaFriendlyAPI
 import net.mamoe.mirai.event.internal.broadcastInternal
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.SinceMirai
 import net.mamoe.mirai.utils.internal.runBlocking
 import kotlin.jvm.JvmField
@@ -180,7 +180,7 @@ public fun <E : Event> E.__broadcastJava(): E = apply {
  * 设置为 `true` 以关闭事件.
  * 所有的 `subscribe` 都能正常添加到监听器列表, 但所有的广播都会直接返回.
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public var EventDisabled: Boolean = false
 
 /**
diff --git a/mirai-core-api/src/commonMain/kotlin/event/MessageSubscribersBuilder.kt b/mirai-core-api/src/commonMain/kotlin/event/MessageSubscribersBuilder.kt
index 3559a01a3..a4cfd3a41 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/MessageSubscribersBuilder.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/MessageSubscribersBuilder.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress(
diff --git a/mirai-core-api/src/commonMain/kotlin/event/deprecated.kt b/mirai-core-api/src/commonMain/kotlin/event/deprecated.kt
index 92b89db4c..a753f76bd 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/deprecated.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/deprecated.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/event/events/EventCancelledException.kt b/mirai-core-api/src/commonMain/kotlin/event/events/EventCancelledException.kt
index c3be0ea89..a70d87a3a 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/events/EventCancelledException.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/events/EventCancelledException.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.event.events
diff --git a/mirai-core-api/src/commonMain/kotlin/event/events/bot.kt b/mirai-core-api/src/commonMain/kotlin/event/events/bot.kt
index 9be045754..6d7f53559 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/events/bot.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/events/bot.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "FunctionName")
@@ -17,10 +17,9 @@ import net.mamoe.mirai.Bot
 import net.mamoe.mirai.contact.*
 import net.mamoe.mirai.event.AbstractEvent
 import net.mamoe.mirai.internal.network.Packet
-import net.mamoe.mirai.message.action.Nudge
 import net.mamoe.mirai.message.MessageEvent
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
-import net.mamoe.mirai.utils.MiraiInternalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
+import net.mamoe.mirai.utils.MiraiInternalApi
 import net.mamoe.mirai.utils.SinceMirai
 import kotlin.jvm.JvmMultifileClass
 import kotlin.jvm.JvmName
@@ -61,7 +60,7 @@ public sealed class BotOfflineEvent : BotEvent, AbstractEvent() {
      * 被服务器断开
      */
     @SinceMirai("1.1.0")
-    @MiraiInternalAPI("This is very experimental and might be changed")
+    @MiraiInternalApi("This is very experimental and might be changed")
     public data class MsfOffline internal constructor(
         public override val bot: Bot,
         public override val cause: Throwable?
@@ -78,7 +77,7 @@ public sealed class BotOfflineEvent : BotEvent, AbstractEvent() {
     /**
      * 因 returnCode = -10008 等原因掉线
      */
-    @MiraiInternalAPI("This is very experimental and might be changed")
+    @MiraiInternalApi("This is very experimental and might be changed")
     @SinceMirai("1.2.0")
     public data class PacketFactory10008 internal constructor(
         public override val bot: Bot,
@@ -88,13 +87,13 @@ public sealed class BotOfflineEvent : BotEvent, AbstractEvent() {
     /**
      * 服务器主动要求更换另一个服务器
      */
-    @MiraiInternalAPI
+    @MiraiInternalApi
     public data class RequireReconnect internal constructor(
         public override val bot: Bot
     ) : BotOfflineEvent(), Packet,
         BotPassiveEvent
 
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public interface CauseAware {
         public val cause: Throwable?
     }
@@ -128,11 +127,11 @@ public data class BotNickChangedEvent(
 ) : BotEvent, Packet, AbstractEvent()
 
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.3.0")
 public sealed class BotNudgedEvent : AbstractEvent(), BotEvent, Packet {
     /**
-     * 戳一戳的发起人，为 [Bot] 的某一好友, 或某一群员, 或 [Bot.selfQQ]
+     * 戳一戳的发起人，为 [Bot] 的某一好友, 或某一群员, 或 [Bot.asFriend]
      */
     public abstract val from: User
 
@@ -142,7 +141,7 @@ public sealed class BotNudgedEvent : AbstractEvent(), BotEvent, Packet {
     /** 戳一戳中设置的自定义后缀 */
     public abstract val suffix: String
 
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @SinceMirai("2.0.0")
     /** [Bot] 在群聊中被戳 */
     public sealed class InGroup : BotNudgedEvent(), GroupMemberEvent {
@@ -178,7 +177,7 @@ public sealed class BotNudgedEvent : AbstractEvent(), BotEvent, Packet {
         }
     }
 
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @SinceMirai("2.0.0")
     /** [Bot] 在私聊中被戳 */
     public sealed class InPrivateSession : BotNudgedEvent(), FriendEvent {
@@ -205,7 +204,7 @@ public sealed class BotNudgedEvent : AbstractEvent(), BotEvent, Packet {
             override val action: String,
             override val suffix: String
         ) : InPrivateSession() {
-            override val from: Friend get() = bot.selfQQ
+            override val from: Friend get() = bot.asFriend
             override fun toString(): String {
                 return "BotNudgedEvent.InPrivateSession.ByBot(friend=$friend, action=$action, suffix=$suffix)"
             }
@@ -246,7 +245,7 @@ public data class BotNudgedEvent internal constructor(
  *
  * @see MessageEvent.subject
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("2.0.0")
 public val BotNudgedEvent.subject: Contact
     get() = when (val inlineFrom = from) {
diff --git a/mirai-core-api/src/commonMain/kotlin/event/events/friend.kt b/mirai-core-api/src/commonMain/kotlin/event/events/friend.kt
index 7a11e775c..10eadb60d 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/events/friend.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/events/friend.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -15,6 +15,7 @@ package net.mamoe.mirai.event.events
 
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.JavaFriendlyAPI
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.Friend
 import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.contact.User
@@ -22,7 +23,7 @@ import net.mamoe.mirai.event.AbstractEvent
 import net.mamoe.mirai.event.internal.MiraiAtomicBoolean
 import net.mamoe.mirai.internal.network.Packet
 import net.mamoe.mirai.message.action.Nudge
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.SinceMirai
 import net.mamoe.mirai.utils.internal.runBlocking
 import kotlin.jvm.*
@@ -97,10 +98,10 @@ public data class NewFriendRequestEvent internal constructor(
     public val fromGroup: Group? = if (fromGroupId == 0L) null else bot.getGroup(fromGroupId)
 
     @JvmSynthetic
-    public suspend fun accept(): Unit = bot.acceptNewFriendRequest(this)
+    public suspend fun accept(): Unit = Mirai.acceptNewFriendRequest(this)
 
     @JvmSynthetic
-    public suspend fun reject(blackList: Boolean = false): Unit = bot.rejectNewFriendRequest(this, blackList)
+    public suspend fun reject(blackList: Boolean = false): Unit = Mirai.rejectNewFriendRequest(this, blackList)
 
 
     @JavaFriendlyAPI
@@ -149,10 +150,10 @@ public data class FriendInputStatusChangedEvent internal constructor(
  * 注: 此事件仅可能在私聊中发生
  */
 @SinceMirai("2.0.0")
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public sealed class FriendNudgedEvent : AbstractEvent(), FriendEvent, Packet {
     /**
-     * 戳一戳的发起人, 为 [Bot] 的某一好友, 或是 [Bot.selfQQ]
+     * 戳一戳的发起人, 为 [Bot] 的某一好友, 或是 [Bot.asFriend]
      */
     public abstract val from: Friend
 
@@ -167,7 +168,7 @@ public sealed class FriendNudgedEvent : AbstractEvent(), FriendEvent, Packet {
     public abstract val suffix: String
 
     /** 在 [Bot] 与 [Friend] 的对话中 [Friend] 戳了自己事件 */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public data class NudgedByHimself internal constructor(
         override val action: String,
         override val suffix: String,
@@ -182,7 +183,7 @@ public sealed class FriendNudgedEvent : AbstractEvent(), FriendEvent, Packet {
     }
 
     /** [Bot] 戳了 [Friend] */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public data class NudgedByBot internal constructor(
         override val action: String,
         override val suffix: String,
@@ -193,6 +194,6 @@ public sealed class FriendNudgedEvent : AbstractEvent(), FriendEvent, Packet {
         }
 
         override val from: Friend
-            get() = bot.selfQQ
+            get() = bot.asFriend
     }
 }
diff --git a/mirai-core-api/src/commonMain/kotlin/event/events/group.kt b/mirai-core-api/src/commonMain/kotlin/event/events/group.kt
index e6ed888bd..cd4437920 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/events/group.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/events/group.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -15,6 +15,7 @@ package net.mamoe.mirai.event.events
 
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.JavaFriendlyAPI
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.Friend
 import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.contact.Member
@@ -24,7 +25,7 @@ import net.mamoe.mirai.event.BroadcastControllable
 import net.mamoe.mirai.event.internal.MiraiAtomicBoolean
 import net.mamoe.mirai.internal.network.Packet
 import net.mamoe.mirai.message.action.Nudge
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.SinceMirai
 import net.mamoe.mirai.utils.internal.runBlocking
 import kotlin.internal.LowPriorityInOverloadResolution
@@ -39,7 +40,7 @@ public sealed class BotLeaveEvent : BotEvent, Packet, AbstractEvent() {
     /**
      * 机器人主动退出一个群.
      */
-    @MiraiExperimentalAPI("目前此事件类型不一定正确. 部分被踢出情况也会广播此事件.")
+    @MiraiExperimentalApi("目前此事件类型不一定正确. 部分被踢出情况也会广播此事件.")
     public data class Active internal constructor(
         public override val group: Group
     ) : BotLeaveEvent() {
@@ -49,7 +50,7 @@ public sealed class BotLeaveEvent : BotEvent, Packet, AbstractEvent() {
     /**
      * 机器人被管理员或群主踢出群.
      */
-    @MiraiExperimentalAPI("BotLeaveEvent 的子类可能在将来改动. 使用 BotLeaveEvent 以保证兼容性.")
+    @MiraiExperimentalApi("BotLeaveEvent 的子类可能在将来改动. 使用 BotLeaveEvent 以保证兼容性.")
     public data class Kick internal constructor(
         public override val operator: Member
     ) : BotLeaveEvent(),
@@ -107,7 +108,7 @@ public sealed class BotJoinGroupEvent : GroupEvent, BotPassiveEvent, Packet, Abs
     /**
      * 不确定. 可能是主动加入
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public data class Active internal constructor(
         public override val group: Group
     ) : BotJoinGroupEvent() {
@@ -119,7 +120,7 @@ public sealed class BotJoinGroupEvent : GroupEvent, BotPassiveEvent, Packet, Abs
      *
      * 此时服务器基于 Bot 的 QQ 设置自动同意了请求.
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public data class Invite internal constructor(
         /**
          * 邀请人
@@ -137,7 +138,7 @@ public sealed class BotJoinGroupEvent : GroupEvent, BotPassiveEvent, Packet, Abs
      * 原群主通过 https://huifu.qq.com/ 恢复原来群主身份并入群,
      * [Bot] 是原群主
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @SinceMirai("1.3.0")
     public data class Retrieve internal constructor(
         public override val group: Group
@@ -341,20 +342,20 @@ public data class BotInvitedJoinGroupRequestEvent internal constructor(
     internal val responded: MiraiAtomicBoolean = MiraiAtomicBoolean(false)
 
     @JvmSynthetic
-    public suspend fun accept(): Unit = bot.acceptInvitedJoinGroupRequest(this)
+    public suspend fun accept(): Unit = Mirai.acceptInvitedJoinGroupRequest(this)
 
     @JvmSynthetic
-    public suspend fun ignore(): Unit = bot.ignoreInvitedJoinGroupRequest(this)
+    public suspend fun ignore(): Unit = Mirai.ignoreInvitedJoinGroupRequest(this)
 
     @JavaFriendlyAPI
     @JvmName("accept")
     public fun __acceptBlockingForJava__(): Unit =
-        runBlocking { bot.acceptInvitedJoinGroupRequest(this@BotInvitedJoinGroupRequestEvent) }
+        runBlocking { Mirai.acceptInvitedJoinGroupRequest(this@BotInvitedJoinGroupRequestEvent) }
 
     @JavaFriendlyAPI
     @JvmName("ignore")
     public fun __ignoreBlockingForJava__(): Unit =
-        runBlocking { bot.ignoreInvitedJoinGroupRequest(this@BotInvitedJoinGroupRequestEvent) }
+        runBlocking { Mirai.ignoreInvitedJoinGroupRequest(this@BotInvitedJoinGroupRequestEvent) }
 }
 
 /**
@@ -385,36 +386,37 @@ public data class MemberJoinRequestEvent internal constructor(
     public val group: Group get() = this.bot.getGroup(groupId)
 
     @JvmField
+    @PublishedApi
     internal val responded: MiraiAtomicBoolean = MiraiAtomicBoolean(false)
 
     @JvmSynthetic
-    public suspend fun accept(): Unit = bot.acceptMemberJoinRequest(this)
+    public suspend fun accept(): Unit = Mirai.acceptMemberJoinRequest(this)
 
     @JvmSynthetic
     @JvmOverloads
     public suspend fun reject(blackList: Boolean = false, message: String = ""): Unit =
-        bot.rejectMemberJoinRequest(this, blackList, message)
+        Mirai.rejectMemberJoinRequest(this, blackList, message)
 
     @JvmSynthetic
-    public suspend fun ignore(blackList: Boolean = false): Unit = bot.ignoreMemberJoinRequest(this, blackList)
+    public suspend fun ignore(blackList: Boolean = false): Unit = Mirai.ignoreMemberJoinRequest(this, blackList)
 
 
     @JavaFriendlyAPI
     @JvmName("accept")
     public fun __acceptBlockingForJava__(): Unit =
-        runBlocking { bot.acceptMemberJoinRequest(this@MemberJoinRequestEvent) }
+        runBlocking { Mirai.acceptMemberJoinRequest(this@MemberJoinRequestEvent) }
 
     @JavaFriendlyAPI
     @JvmOverloads
     @JvmName("reject")
     public fun __rejectBlockingForJava__(blackList: Boolean = false, message: String = ""): Unit =
-        runBlocking { bot.rejectMemberJoinRequest(this@MemberJoinRequestEvent, blackList, message) }
+        runBlocking { Mirai.rejectMemberJoinRequest(this@MemberJoinRequestEvent, blackList, message) }
 
     @JavaFriendlyAPI
     @JvmOverloads
     @JvmName("ignore")
     public fun __ignoreBlockingForJava__(blackList: Boolean = false): Unit =
-        runBlocking { bot.ignoreMemberJoinRequest(this@MemberJoinRequestEvent, blackList) }
+        runBlocking { Mirai.ignoreMemberJoinRequest(this@MemberJoinRequestEvent, blackList) }
 }
 
 // endregion
@@ -518,7 +520,7 @@ public data class MemberUnmuteEvent internal constructor(
 /**
  * [Member] 被 [戳][Nudge] 的事件.
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.3.0")
 public data class MemberNudgedEvent internal constructor(
     /**
diff --git a/mirai-core-api/src/commonMain/kotlin/event/events/message.kt b/mirai-core-api/src/commonMain/kotlin/event/events/message.kt
index 98f4fddfc..8bb6143cd 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/events/message.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/events/message.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -314,7 +314,7 @@ public sealed class MessageRecallEvent : BotEvent, AbstractEvent() {
     /**
      * 群消息撤回事件.
      */
-    public data class GroupRecall internal constructor(
+    public data class GroupRecall @PublishedApi internal constructor(
         public override val bot: Bot,
         public override val authorId: Long,
         public override val messageId: Int,
diff --git a/mirai-core-api/src/commonMain/kotlin/event/events/types.kt b/mirai-core-api/src/commonMain/kotlin/event/events/types.kt
index 2ca71a2cd..bd1457cb4 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/events/types.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/events/types.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
diff --git a/mirai-core-api/src/commonMain/kotlin/event/internal/InternalEventListeners.kt b/mirai-core-api/src/commonMain/kotlin/event/internal/InternalEventListeners.kt
index ae9dc5aed..4a10e94c9 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/internal/InternalEventListeners.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/internal/InternalEventListeners.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.event.internal
@@ -116,6 +116,7 @@ internal expect object GlobalEventListeners {
     operator fun get(priority: Listener.EventPriority): LockFreeLinkedList<ListenerRegistry>
 }
 
+@PublishedApi
 internal expect class MiraiAtomicBoolean(initial: Boolean) {
 
     fun compareAndSet(expect: Boolean, update: Boolean): Boolean
diff --git a/mirai-core-api/src/commonMain/kotlin/event/internal/messageSubscribersInternal.kt b/mirai-core-api/src/commonMain/kotlin/event/internal/messageSubscribersInternal.kt
index c45ca3690..6784bb78d 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/internal/messageSubscribersInternal.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/internal/messageSubscribersInternal.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.event.internal
diff --git a/mirai-core-api/src/commonMain/kotlin/event/linear.kt b/mirai-core-api/src/commonMain/kotlin/event/linear.kt
index eda1c9dab..3f8c47502 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/linear.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/linear.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused")
diff --git a/mirai-core-api/src/commonMain/kotlin/event/nextEvent.kt b/mirai-core-api/src/commonMain/kotlin/event/nextEvent.kt
index 566d32c2a..60ed49ceb 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/nextEvent.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/nextEvent.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
diff --git a/mirai-core-api/src/commonMain/kotlin/event/select.kt b/mirai-core-api/src/commonMain/kotlin/event/select.kt
index c74a06ef6..055432866 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/select.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/select.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("DuplicatedCode")
@@ -17,7 +17,7 @@ import net.mamoe.mirai.message.data.Message
 import net.mamoe.mirai.message.data.PlainText
 import net.mamoe.mirai.message.isContextIdenticalWith
 import net.mamoe.mirai.message.nextMessage
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import kotlin.jvm.JvmName
 import kotlin.jvm.JvmSynthetic
 
@@ -68,7 +68,7 @@ public suspend inline fun <reified T : MessageEvent> T.whileSelectMessages(
 /**
  * [selectMessages] 的 [Unit] 返回值捷径 (由于 Kotlin 无法推断 [Unit] 类型)
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @JvmName("selectMessages1")
 public suspend inline fun <reified T : MessageEvent> T.selectMessagesUnit(
     timeoutMillis: Long = -1,
diff --git a/mirai-core-api/src/commonMain/kotlin/event/subscribeMessages.kt b/mirai-core-api/src/commonMain/kotlin/event/subscribeMessages.kt
index 3381a018a..ff5a09558 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/subscribeMessages.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/subscribeMessages.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/event/subscriber.kt b/mirai-core-api/src/commonMain/kotlin/event/subscriber.kt
index 6723a35df..a24cb34f2 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/subscriber.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/subscriber.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "DEPRECATION", "INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
diff --git a/mirai-core-api/src/commonMain/kotlin/event/subscriberDeprecated.kt b/mirai-core-api/src/commonMain/kotlin/event/subscriberDeprecated.kt
index 8f4a5c490..38e8e22c1 100644
--- a/mirai-core-api/src/commonMain/kotlin/event/subscriberDeprecated.kt
+++ b/mirai-core-api/src/commonMain/kotlin/event/subscriberDeprecated.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "DEPRECATION", "INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
diff --git a/mirai-core-api/src/commonMain/kotlin/qqandroid.network/Packet.kt b/mirai-core-api/src/commonMain/kotlin/internal/network/Packet.kt
similarity index 58%
rename from mirai-core-api/src/commonMain/kotlin/qqandroid.network/Packet.kt
rename to mirai-core-api/src/commonMain/kotlin/internal/network/Packet.kt
index 895f29039..97d2d3fb2 100644
--- a/mirai-core-api/src/commonMain/kotlin/qqandroid.network/Packet.kt
+++ b/mirai-core-api/src/commonMain/kotlin/internal/network/Packet.kt
@@ -1,16 +1,16 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network
 
 import net.mamoe.mirai.event.Event
-import net.mamoe.mirai.utils.MiraiInternalAPI
+import net.mamoe.mirai.utils.MiraiInternalApi
 
 /**
  * 从服务器收到的包解析之后的结构化数据.
@@ -18,17 +18,17 @@ import net.mamoe.mirai.utils.MiraiInternalAPI
  *
  * **InternalAPI**: 这是内部 API, 它随时都有可能被修改
  */
-@MiraiInternalAPI
+@MiraiInternalApi
 public interface Packet {
     /**
      * 实现这个接口的包将不会被记录到日志中
      */
-    @MiraiInternalAPI
+    @MiraiInternalApi
     public interface NoLog
 
     /**
      * 实现这个接口的 [Event] 不会被作为事件记录到日志中
      */
-    @MiraiInternalAPI
+    @MiraiInternalApi
     public interface NoEventLog
 }
diff --git a/mirai-core-api/src/commonMain/kotlin/javaFriendly.kt b/mirai-core-api/src/commonMain/kotlin/javaFriendly.kt
index ea0b20217..60a71ec9e 100644
--- a/mirai-core-api/src/commonMain/kotlin/javaFriendly.kt
+++ b/mirai-core-api/src/commonMain/kotlin/javaFriendly.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai
 
@@ -15,17 +15,4 @@ package net.mamoe.mirai
  */
 @RequiresOptIn(level = RequiresOptIn.Level.ERROR)
 @Target(AnnotationTarget.PROPERTY, AnnotationTarget.FUNCTION, AnnotationTarget.TYPE, AnnotationTarget.CLASS)
-internal annotation class JavaFriendlyAPI
-
-/**
- * [Bot] 中为了让 Java 使用者调用更方便的 API 列表.
- *
- * **注意**: 不应该把这个类作为一个类型, 只应使用其中的方法
- */
-@Suppress("FunctionName", "INAPPLICABLE_JVM_NAME", "unused")
-internal expect interface BotJavaFriendlyAPI
-
-// 保留多平台结构, 以避免在 Android 和 JVM 都定义这个类
-// 待 https://youtrack.jetbrains.com/issue/KT-27801 实现后修改为 hierarchical MPP 架构
-
-// 待 https://youtrack.jetbrains.com/issue/KT-36740 修复后添加 Future 相关 API 到 hierarchical MPP 架构中
\ No newline at end of file
+internal annotation class JavaFriendlyAPI
\ No newline at end of file
diff --git a/mirai-core-api/src/commonMain/kotlin/lowLevelApi.kt b/mirai-core-api/src/commonMain/kotlin/lowLevelApi.kt
index 050b1f859..d50b42640 100644
--- a/mirai-core-api/src/commonMain/kotlin/lowLevelApi.kt
+++ b/mirai-core-api/src/commonMain/kotlin/lowLevelApi.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai
@@ -13,7 +13,7 @@ import kotlinx.coroutines.Job
 import net.mamoe.mirai.contact.Friend
 import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.data.*
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.SinceMirai
 import net.mamoe.mirai.utils.WeakRef
 
@@ -24,10 +24,11 @@ import net.mamoe.mirai.utils.WeakRef
  * 使用低级的 API 无法带来任何安全和便捷保障.
  * 仅在某些使用结构化 API 可能影响性能的情况下使用这些低级 API.
  */
+@MiraiExperimentalApi
 @RequiresOptIn
 @Retention(AnnotationRetention.BINARY)
 @Target(AnnotationTarget.CLASS, AnnotationTarget.TYPE, AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY)
-public annotation class LowLevelAPI
+public annotation class LowLevelApi
 
 /**
  * [Bot] 相关协议层低级 API.
@@ -36,24 +37,24 @@ public annotation class LowLevelAPI
  *
  * **警告**: 所有的低级 API 都可能在任意时刻不经过任何警告和迭代就被修改. 因此非常不建议在任何情况下使用这些 API.
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @Suppress("FunctionName", "unused")
-@LowLevelAPI
-public interface LowLevelBotAPIAccessor {
+@LowLevelApi
+public interface LowLevelApiAccessor {
     /**
      * 构造一个 [Friend] 对象. 它持有对 [Bot] 的弱引用([WeakRef]).
      *
      * [Bot] 无法管理这个对象, 但这个对象会以 [Bot] 的 [Job] 作为父 Job.
      * 因此, 当 [Bot] 被关闭后, 这个对象也会被关闭.
      */
-    @LowLevelAPI
-    public fun _lowLevelNewFriend(friendInfo: FriendInfo): Friend
+    @LowLevelApi
+    public fun _lowLevelNewFriend(bot: Bot, friendInfo: FriendInfo): Friend
 
     /**
      * 向服务器查询群列表. 返回值高 32 bits 为 uin, 低 32 bits 为 groupCode
      */
-    @LowLevelAPI
-    public suspend fun _lowLevelQueryGroupList(): Sequence<Long>
+    @LowLevelApi
+    public suspend fun _lowLevelQueryGroupList(bot: Bot): Sequence<Long>
 
     /**
      * 向服务器查询群成员列表.
@@ -63,8 +64,9 @@ public interface LowLevelBotAPIAccessor {
      *
      * @see Group.calculateGroupUinByGroupCode 使用 groupCode 计算 groupUin
      */
-    @LowLevelAPI
+    @LowLevelApi
     public suspend fun _lowLevelQueryGroupMemberList(
+        bot: Bot,
         groupUin: Long,
         groupCode: Long,
         ownerId: Long
@@ -74,35 +76,47 @@ public interface LowLevelBotAPIAccessor {
      * 获取群公告列表
      * @param page 页码
      */
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    public suspend fun _lowLevelGetAnnouncements(groupId: Long, page: Int = 1, amount: Int = 10): GroupAnnouncementList
+    @LowLevelApi
+    @MiraiExperimentalApi
+    public suspend fun _lowLevelGetAnnouncements(
+        bot: Bot,
+        groupId: Long, page: Int = 1, amount: Int = 10
+    ): GroupAnnouncementList
 
     /**
      * 发送群公告
      *
      * @return 公告的fid
      */
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    public suspend fun _lowLevelSendAnnouncement(groupId: Long, announcement: GroupAnnouncement): String
+    @LowLevelApi
+    @MiraiExperimentalApi
+    public suspend fun _lowLevelSendAnnouncement(
+        bot: Bot,
+        groupId: Long, announcement: GroupAnnouncement
+    ): String
 
 
     /**
      * 删除群公告
      * @param fid [GroupAnnouncement.fid]
      */
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    public suspend fun _lowLevelDeleteAnnouncement(groupId: Long, fid: String)
+    @LowLevelApi
+    @MiraiExperimentalApi
+    public suspend fun _lowLevelDeleteAnnouncement(
+        bot: Bot,
+        groupId: Long, fid: String
+    )
 
     /**
      * 获取一条群公告
      * @param fid [GroupAnnouncement.fid]
      */
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    public suspend fun _lowLevelGetAnnouncement(groupId: Long, fid: String): GroupAnnouncement
+    @LowLevelApi
+    @MiraiExperimentalApi
+    public suspend fun _lowLevelGetAnnouncement(
+        bot: Bot,
+        groupId: Long, fid: String
+    ): GroupAnnouncement
 
 
     /**
@@ -110,25 +124,30 @@ public interface LowLevelBotAPIAccessor {
      * 不传page可得到趋势图
      * page从0开始传入可以得到发言列表
      */
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    public suspend fun _lowLevelGetGroupActiveData(groupId: Long, page: Int = -1): GroupActiveData
+    @LowLevelApi
+    @MiraiExperimentalApi
+    public suspend fun _lowLevelGetGroupActiveData(bot: Bot, groupId: Long, page: Int = -1): GroupActiveData
 
 
     /**
      * 获取群荣誉信息
      */
     @SinceMirai("1.3.0")
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    public suspend fun _lowLevelGetGroupHonorListData(groupId: Long, type: GroupHonorType): GroupHonorListData?
+    @LowLevelApi
+    @MiraiExperimentalApi
+    public suspend fun _lowLevelGetGroupHonorListData(
+        bot: Bot,
+        groupId: Long,
+        type: GroupHonorType
+    ): GroupHonorListData?
 
 
     /**
      * 处理一个账号请求添加机器人为好友的事件
      */
-    @LowLevelAPI
+    @LowLevelApi
     public suspend fun _lowLevelSolveNewFriendRequestEvent(
+        bot: Bot,
         eventId: Long,
         fromId: Long,
         fromNick: String,
@@ -139,8 +158,9 @@ public interface LowLevelBotAPIAccessor {
     /**
      * 处理被邀请加入一个群请求事件
      */
-    @LowLevelAPI
+    @LowLevelApi
     public suspend fun _lowLevelSolveBotInvitedJoinGroupRequestEvent(
+        bot: Bot,
         eventId: Long,
         invitorId: Long,
         groupId: Long,
@@ -150,9 +170,10 @@ public interface LowLevelBotAPIAccessor {
     /**
      * 处理账号请求加入群事件
      */
-    @LowLevelAPI
+    @LowLevelApi
     @SinceMirai("1.2.0")
     public suspend fun _lowLevelSolveMemberJoinRequestEvent(
+        bot: Bot,
         eventId: Long,
         fromId: Long,
         fromNick: String,
@@ -165,9 +186,10 @@ public interface LowLevelBotAPIAccessor {
     /**
      * 查询语音的下载连接
      */
-    @LowLevelAPI
+    @LowLevelApi
     @SinceMirai("1.2.0")
     public suspend fun _lowLevelQueryGroupVoiceDownloadUrl(
+        bot: Bot,
         md5: ByteArray,
         groupId: Long,
         dstUin: Long
@@ -176,9 +198,10 @@ public interface LowLevelBotAPIAccessor {
     /**
      * 查询语音的上传连接
      */
-    @LowLevelAPI
+    @LowLevelApi
     @SinceMirai("1.2.0")
     public suspend fun _lowLevelUploadVoice(
+        bot: Bot,
         md5: ByteArray,
         groupId: Long,
     )
diff --git a/mirai-core-api/src/commonMain/kotlin/message/FriendMessageEvent.kt b/mirai-core-api/src/commonMain/kotlin/message/FriendMessageEvent.kt
index e4b45490d..86b1557a7 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/FriendMessageEvent.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/FriendMessageEvent.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("DEPRECATION_ERROR")
diff --git a/mirai-core-api/src/commonMain/kotlin/message/GroupMessageEvent.kt b/mirai-core-api/src/commonMain/kotlin/message/GroupMessageEvent.kt
index d2ead40ff..b8861b249 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/GroupMessageEvent.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/GroupMessageEvent.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("DEPRECATION_ERROR", "unused", "NOTHING_TO_INLINE", "MemberVisibilityCanBePrivate")
diff --git a/mirai-core-api/src/commonMain/kotlin/message/MessageEvent.kt b/mirai-core-api/src/commonMain/kotlin/message/MessageEvent.kt
index 6a658c9a6..29f26b117 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/MessageEvent.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/MessageEvent.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress(
diff --git a/mirai-core-api/src/commonMain/kotlin/message/MessageReceipt.kt b/mirai-core-api/src/commonMain/kotlin/message/MessageReceipt.kt
index 554325ebc..a741f2d86 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/MessageReceipt.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/MessageReceipt.kt
@@ -1,27 +1,20 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("NOTHING_TO_INLINE", "FunctionName", "unused")
 
 package net.mamoe.mirai.message
 
-import kotlinx.coroutines.Job
-import net.mamoe.mirai.Bot
-import net.mamoe.mirai.JavaFriendlyAPI
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.*
 import net.mamoe.mirai.message.data.*
-import net.mamoe.mirai.recallIn
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
-import net.mamoe.mirai.utils.internal.runBlocking
-import kotlin.coroutines.CoroutineContext
-import kotlin.coroutines.EmptyCoroutineContext
-import kotlin.jvm.JvmName
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import kotlin.jvm.JvmSynthetic
 
 /**
@@ -41,7 +34,7 @@ import kotlin.jvm.JvmSynthetic
  * @see MessageReceipt.sourceId 源 id
  * @see MessageReceipt.sourceTime 源时间
  */
-public open class MessageReceipt<out C : Contact> @MiraiExperimentalAPI("The constructor is subject to change.") constructor(
+public open class MessageReceipt<out C : Contact> @MiraiExperimentalApi("The constructor is subject to change.") constructor(
     /**
      * 指代发送出去的消息.
      */
@@ -54,94 +47,25 @@ public open class MessageReceipt<out C : Contact> @MiraiExperimentalAPI("The con
     /**
      * @see Group.botAsMember
      */
-    @MiraiExperimentalAPI("This is subject to change.")
+    @MiraiExperimentalApi("This is subject to change.")
     public val botAsMember: Member?
 ) {
     /**
      * 是否为发送给群的消息的回执
      */
     public val isToGroup: Boolean get() = target is Group
-
-    /**
-     * 引用这条消息并回复.
-     *
-     * 仅供 Java 使用.
-     *
-     * 仅供 Java 使用: `MessageReceipt.quoteReply(message)`
-     */
-    @JavaFriendlyAPI
-    @JvmName("quoteReply")
-    public fun __quoteReplyBlockingForJava__(message: Message): MessageReceipt<C> {
-        return runBlocking { return@runBlocking quoteReply(message) }
-    }
-
-    /**
-     * 引用这条消息并回复.
-     *
-     * 仅供 Java 使用: `MessageReceipt.quoteReply(message)`
-     */
-    @JavaFriendlyAPI
-    @JvmName("quoteReply")
-    public fun __quoteReplyBlockingForJava__(message: String): MessageReceipt<C> {
-        return runBlocking { quoteReply(message) }
-    }
-
-    /**
-     * 撤回这条消息. [recall] 或 [recallIn] 只能被调用一次.
-     *
-     * 仅供 Java 使用: `MessageReceipt.recall()`
-     */
-    @JavaFriendlyAPI
-    @JvmName("recall")
-    public fun __recallBlockingForJava__() {
-        return runBlocking { recall() }
-    }
-
-    /**
-     * 撤回这条消息. [recall] 或 [recallIn] 只能被调用一次.
-     *
-     * 仅供 Java 使用: `MessageReceipt.recallIn(timeMillis)`
-     */
-    @JavaFriendlyAPI
-    @JvmName("recallIn")
-    public fun __recallInBlockingForJava__(timeMillis: Long): Job {
-        return recallIn(timeMillis = timeMillis)
-    }
-
-    /**
-     * 引用这条消息.
-     *
-     * 仅供 Java 使用: `MessageReceipt.quote()`
-     */
-    @JavaFriendlyAPI
-    @JvmName("quote")
-    public fun __quoteBlockingForJava__(): QuoteReply {
-        return this.quote()
-    }
 }
 
 /**
  * 撤回这条消息. [recall] 或 [recallIn] 只能被调用一次.
  *
- * @see Bot.recall
+ * @see Mirai.recall
  * @throws IllegalStateException 当此消息已经被撤回或正计划撤回时
  */
 public suspend inline fun MessageReceipt<*>.recall() {
-    return target.bot.recall(source)
+    return Mirai.recall(target.bot, source)
 }
 
-/**
- * 在一段时间后撤回这条消息. [recall] 或 [recallIn] 只能被调用一次.
- *
- * @param timeMillis 延迟时间, 单位为毫秒
- * @throws IllegalStateException 当此消息已经被撤回或正计划撤回时
- */
-public inline fun MessageReceipt<*>.recallIn(
-    timeMillis: Long,
-    coroutineContext: CoroutineContext = EmptyCoroutineContext
-): Job = source.recallIn(timeMillis, coroutineContext)
-
-
 /**
  * 引用这条消息.
  * @see MessageChain.quote 引用一条消息
diff --git a/mirai-core-api/src/commonMain/kotlin/message/TempMessageEvent.kt b/mirai-core-api/src/commonMain/kotlin/message/TempMessageEvent.kt
index 333723a44..12196acaf 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/TempMessageEvent.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/TempMessageEvent.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("DEPRECATION_ERROR", "unused", "NOTHING_TO_INLINE")
diff --git a/mirai-core-api/src/commonMain/kotlin/message/action/Nudge.kt b/mirai-core-api/src/commonMain/kotlin/message/action/Nudge.kt
index 078a5d39b..05fb37ce9 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/action/Nudge.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/action/Nudge.kt
@@ -1,21 +1,22 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.message.action
 
 import net.mamoe.kjbb.JvmBlockingBridge
 import net.mamoe.mirai.Bot
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.*
 import net.mamoe.mirai.event.events.BotNudgedEvent
 import net.mamoe.mirai.event.events.MemberNudgedEvent
 import net.mamoe.mirai.utils.BotConfiguration
 import net.mamoe.mirai.utils.BotConfiguration.MiraiProtocol
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.SinceMirai
 
 /**
@@ -26,7 +27,7 @@ import net.mamoe.mirai.utils.SinceMirai
  * @see User.nudge 创建 [Nudge] 对象
  * @see Bot.nudge 创建 [Nudge] 对象
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.3.0")
 public sealed class Nudge {
     /**
@@ -49,10 +50,10 @@ public sealed class Nudge {
      * @return 成功发送时为 `true`. 若对方禁用 "戳一戳" 功能, 返回 `false`.
      */
     @JvmBlockingBridge
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public suspend fun sendTo(receiver: Contact): Boolean {
         @Suppress("DEPRECATION_ERROR")
-        return receiver.bot.sendNudge(this, receiver)
+        return Mirai.sendNudge(receiver.bot, this, receiver)
     }
 
     public companion object {
@@ -68,7 +69,7 @@ public sealed class Nudge {
          *
          * @return 成功发送时为 `true`. 若对方禁用 "戳一戳" 功能, 返回 `false`.
          */
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @JvmBlockingBridge
         public suspend fun Contact.sendNudge(nudge: Nudge): Boolean = nudge.sendTo(this)
     }
@@ -78,7 +79,7 @@ public sealed class Nudge {
  * @see Bot.nudge
  * @see Nudge
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.3.0")
 public data class BotNudge(
     public override val target: Bot
@@ -88,7 +89,7 @@ public data class BotNudge(
  * @see User.nudge
  * @see Nudge
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.3.0")
 public sealed class UserNudge : Nudge() {
     public abstract override val target: User
@@ -98,7 +99,7 @@ public sealed class UserNudge : Nudge() {
  * @see Member.nudge
  * @see Nudge
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.3.0")
 public data class MemberNudge(
     public override val target: Member
@@ -108,7 +109,7 @@ public data class MemberNudge(
  * @see Friend.nudge
  * @see Nudge
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.3.0")
 public data class FriendNudge(
     public override val target: Friend
diff --git a/mirai-core-api/src/commonMain/kotlin/message/code/CodableMessage.kt b/mirai-core-api/src/commonMain/kotlin/message/code/CodableMessage.kt
index 2260515f0..ff9ce934d 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/code/CodableMessage.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/code/CodableMessage.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.message.code
diff --git a/mirai-core-api/src/commonMain/kotlin/message/code/MiraiCode.kt b/mirai-core-api/src/commonMain/kotlin/message/code/MiraiCode.kt
index c0c03aeca..97c93d657 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/code/MiraiCode.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/code/MiraiCode.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/message/code/internal/impl.kt b/mirai-core-api/src/commonMain/kotlin/message/code/internal/impl.kt
index cc2f43373..0b48344a6 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/code/internal/impl.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/code/internal/impl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_MEMBER")
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/At.kt b/mirai-core-api/src/commonMain/kotlin/message/data/At.kt
index 27bec7105..b6183cd3b 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/At.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/At.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -14,7 +14,7 @@
 
 package net.mamoe.mirai.message.data
 
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
 import net.mamoe.mirai.contact.Member
 import net.mamoe.mirai.contact.nameCardOrNick
 import net.mamoe.mirai.message.code.CodableMessage
@@ -63,7 +63,7 @@ private constructor(
          */
         @Suppress("FunctionName")
         @JvmStatic
-        @LowLevelAPI
+        @LowLevelApi
         public fun _lowLevelConstructAtInstance(target: Long, display: String): At = At(target, display)
     }
 
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/AtAll.kt b/mirai-core-api/src/commonMain/kotlin/message/data/AtAll.kt
index 4b94e8e1e..766b056f6 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/AtAll.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/AtAll.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/CombinedMessage.kt b/mirai-core-api/src/commonMain/kotlin/message/data/CombinedMessage.kt
index 32640937c..fad811b69 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/CombinedMessage.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/CombinedMessage.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/CustomMessage.kt b/mirai-core-api/src/commonMain/kotlin/message/data/CustomMessage.kt
index cd8856442..b15f5e35f 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/CustomMessage.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/CustomMessage.kt
@@ -1,13 +1,13 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
-@file:OptIn(MiraiInternalAPI::class)
+@file:OptIn(MiraiInternalApi::class)
 
 package net.mamoe.mirai.message.data
 
@@ -34,7 +34,7 @@ import kotlin.jvm.JvmOverloads
  *
  * @see CustomMessageMetadata 自定义消息元数据
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public sealed class CustomMessage : SingleMessage {
     /**
      * 获取这个消息的工厂
@@ -48,7 +48,7 @@ public sealed class CustomMessage : SingleMessage {
      * @see JsonSerializerFactory 使用 [Json] 作为序列模式的 [Factory]
      * @see ProtoBufSerializerFactory 使用 [ProtoBuf] 作为序列模式的 [Factory]
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public abstract class Factory<M : CustomMessage>(
         /**
          * 此类型消息的名称.
@@ -172,7 +172,7 @@ public sealed class CustomMessage : SingleMessage {
 /**
  * 序列化这个消息
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @SinceMirai("1.1.0")
 public fun <T : CustomMessage> T.toByteArray(): ByteArray {
     @Suppress("UNCHECKED_CAST")
@@ -190,7 +190,7 @@ public fun <T : CustomMessage> T.toByteArray(): ByteArray {
  * @see CustomMessage 查看更多信息
  * @see ConstrainSingle 可实现此接口以保证消息链中只存在一个元素
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public abstract class CustomMessageMetadata : CustomMessage(), MessageMetadata {
     public companion object Key : Message.Key<CustomMessageMetadata> {
         override val typeName: String get() = "CustomMessageMetadata"
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/Face.kt b/mirai-core-api/src/commonMain/kotlin/message/data/Face.kt
index d16c825b5..7b2dd5422 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/Face.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/Face.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/ForwardMessage.kt b/mirai-core-api/src/commonMain/kotlin/message/data/ForwardMessage.kt
index c7ed6b55b..f7666de67 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/ForwardMessage.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/ForwardMessage.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("MemberVisibilityCanBePrivate", "INVISIBLE_REFERENCE", "INVISIBLE_MEMBER", "unused")
@@ -18,7 +18,7 @@ import net.mamoe.mirai.contact.User
 import net.mamoe.mirai.contact.nameCardOrNick
 import net.mamoe.mirai.message.MessageEvent
 import net.mamoe.mirai.message.data.ForwardMessage.DisplayStrategy
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.currentTimeSeconds
 import kotlin.jvm.JvmOverloads
 import kotlin.jvm.JvmSynthetic
@@ -182,7 +182,7 @@ public class ForwardMessage @JvmOverloads constructor(
     public override fun toString(): String = "[mirai:forward:$nodeList]"
     private val contentToString: String by lazy { nodeList.joinToString("\n") }
 
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public override fun contentToString(): String = contentToString
 }
 
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/HummerMessage.kt b/mirai-core-api/src/commonMain/kotlin/message/data/HummerMessage.kt
index 37653fbd8..d3579f2ce 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/HummerMessage.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/HummerMessage.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "NOTHING_TO_INLINE")
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/Image.kt b/mirai-core-api/src/commonMain/kotlin/message/data/Image.kt
index aa0d5ee1a..7202ce65e 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/Image.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/Image.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -17,15 +17,17 @@
     "DEPRECATION",
     "UnusedImport",
     "EXPOSED_SUPER_CLASS",
-    "DEPRECATION_ERROR"
+    "DEPRECATION_ERROR", "NOTHING_TO_INLINE"
 )
 
 package net.mamoe.mirai.message.data
 
 import net.mamoe.mirai.Bot
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.Contact
 import net.mamoe.mirai.message.code.CodableMessage
 import net.mamoe.mirai.utils.ExternalImage
+import net.mamoe.mirai.utils.MiraiInternalApi
 import net.mamoe.mirai.utils.sendImage
 import kotlin.js.JsName
 import kotlin.jvm.JvmMultifileClass
@@ -51,7 +53,7 @@ import kotlin.jvm.JvmSynthetic
  *
  * ### 下载图片
  * @see Image.queryUrl 扩展函数. 查询图片下载链接
- * @see Bot.queryImageUrl 查询图片下载链接 (Java 使用)
+ * @see Mirai.queryImageUrl 查询图片下载链接 (Java 使用)
  *
  * 查看平台 `actual` 定义以获取上传方式扩展.
  *
@@ -89,15 +91,20 @@ public expect interface Image : Message, MessageContent, CodableMessage {
 
     final override fun contentToString(): String = "[图片]"
     */
+}
 
-    @Deprecated(
-        """
-        不要自行实现 Image, 它必须由协议模块实现, 否则会无法发送也无法解析.
-    """, level = DeprecationLevel.HIDDEN
-    )
-    @Suppress("PropertyName")
-    @get:JvmSynthetic
-    internal val DoNotImplementThisClass: Nothing?
+/**
+ * 所有 [Image] 实现的基类.
+ */
+public abstract class AbstractImage : Image { // make sealed in 1.3.0 ?
+    private var _stringValue: String? = null
+        get() = field ?: kotlin.run {
+            field = "[mirai:image:$imageId]"
+            field
+        }
+
+    final override fun toString(): String = _stringValue!!
+    final override fun contentToString(): String = "[图片]"
 }
 
 /**
@@ -116,7 +123,8 @@ public val Image.md5: ByteArray
  * [imageId] 形如 `/f8f1ab55-bf8e-4236-b55e-955848d7069f` (37 长度)  或 `/000000000-3814297509-BFB7027B9354B8F899A062061D74E206` (54 长度)
  */
 // NotOnlineImage
-public abstract class FriendImage internal constructor() : AbstractImage() { // change to sealed in the future.
+public abstract class FriendImage @MiraiInternalApi public constructor() :
+    AbstractImage() { // change to sealed in the future.
     public companion object Key : Message.Key<FriendImage> {
         public override val typeName: String get() = "FriendImage"
     }
@@ -129,7 +137,8 @@ public abstract class FriendImage internal constructor() : AbstractImage() { //
  * @see Image 查看更多说明
  */
 // CustomFace
-public abstract class GroupImage internal constructor() : AbstractImage() { // change to sealed in the future.
+public abstract class GroupImage @MiraiInternalApi public constructor() :
+    AbstractImage() { // change to sealed in the future.
     public companion object Key : Message.Key<GroupImage> {
         public override val typeName: String get() = "GroupImage"
     }
@@ -176,12 +185,7 @@ public val GROUP_IMAGE_ID_REGEX: Regex = Regex("""\{[0-9a-fA-F]{8}-([0-9a-fA-F]{
 @Suppress("FunctionName", "DEPRECATION")
 @JsName("newImage")
 @JvmName("newImage")
-public fun Image(imageId: String): OfflineImage = when {
-    imageId matches FRIEND_IMAGE_ID_REGEX_1 -> OfflineFriendImage(imageId)
-    imageId matches FRIEND_IMAGE_ID_REGEX_2 -> OfflineFriendImage(imageId)
-    imageId matches GROUP_IMAGE_ID_REGEX -> OfflineGroupImage(imageId)
-    else -> throw IllegalArgumentException("Illegal imageId: $imageId. $ILLEGAL_IMAGE_ID_EXCEPTION_MESSAGE")
-}
+public inline fun Image(imageId: String): Image = Mirai.createImage(imageId)
 
 /**
  * 查询原图下载链接.
@@ -195,11 +199,7 @@ public fun Image(imageId: String): OfflineImage = when {
 //@JvmBlockingBridge
 @JvmSynthetic
 public suspend fun Image.queryUrl(): String {
-    @Suppress("DEPRECATION")
-    return when (this) {
-        is ConstOriginUrlAware -> this.originUrl
-        is DeferredOriginUrlAware -> this.getUrl(firstOnlineBotInstance)
-        is SuspendDeferredOriginUrlAware -> this.getUrl(firstOnlineBotInstance)
-        else -> error("Internal error: unsupported Image class: ${this::class}")
-    }
+    val bot = Bot._instances.peekFirst()?.get() ?: error("No Bot available to query image url")
+    return Mirai.queryImageUrl(bot, this)
+
 }
\ No newline at end of file
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/Message.kt b/mirai-core-api/src/commonMain/kotlin/message/data/Message.kt
index 1c401b331..d65cf7962 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/Message.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/Message.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress(
@@ -23,7 +23,7 @@ import net.mamoe.mirai.contact.Contact
 import net.mamoe.mirai.message.MessageEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message.Key
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.PlannedRemoval
 import kotlin.contracts.contract
 import kotlin.jvm.JvmMultifileClass
@@ -204,7 +204,7 @@ public interface Message { // must be interface. Don't consider any changes.
         another.fold(this, Message::plus).asMessageChain()
 }
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @JvmSynthetic
 public suspend inline operator fun Message.plus(another: Flow<Message>): MessageChain =
     another.fold(this) { acc, it -> acc + it }.asMessageChain()
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/MessageChain.kt b/mirai-core-api/src/commonMain/kotlin/message/data/MessageChain.kt
index d6e60bad6..bb9d29e82 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/MessageChain.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/MessageChain.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/MessageChainBuilder.kt b/mirai-core-api/src/commonMain/kotlin/message/data/MessageChainBuilder.kt
index c91fb8164..90e218e7f 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/MessageChainBuilder.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/MessageChainBuilder.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/MessageSource.kt b/mirai-core-api/src/commonMain/kotlin/message/data/MessageSource.kt
index cf0aa9b5f..1e15d1a27 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/MessageSource.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/MessageSource.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -13,17 +13,14 @@
 
 package net.mamoe.mirai.message.data
 
-import kotlinx.coroutines.Job
 import net.mamoe.mirai.Bot
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.*
 import net.mamoe.mirai.message.MessageEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.quote
 import net.mamoe.mirai.message.recall
-import net.mamoe.mirai.recallIn
 import net.mamoe.mirai.utils.LazyProperty
-import kotlin.coroutines.CoroutineContext
-import kotlin.coroutines.EmptyCoroutineContext
 import kotlin.jvm.JvmMultifileClass
 import kotlin.jvm.JvmName
 import kotlin.jvm.JvmSynthetic
@@ -361,27 +358,10 @@ public inline fun MessageChain.quote(): QuoteReply = QuoteReply(this.source)
  * @throws PermissionDeniedException 当 [Bot] 无权限操作时
  * @throws IllegalStateException 当这条消息已经被撤回时 (仅同步主动操作)
  *
- * @see Bot.recall
+ * @see Mirai.recall
  */
 @JvmSynthetic
-public suspend inline fun MessageSource.recall(): Unit = bot.recall(this)
-
-/**
- * 在一段时间后撤回这条消息. 可撤回自己 2 分钟内发出的消息, 和任意时间的群成员的消息.
- *
- * [Bot] 撤回自己的消息不需要权限.
- * [Bot] 撤回群员的消息需要管理员权限.
- *
- * @throws PermissionDeniedException 当 [Bot] 无权限操作时
- * @throws IllegalStateException 当这条消息已经被撤回时 (仅同步主动操作)
- *
- * @see Bot.recall
- */
-@JvmSynthetic
-public inline fun MessageSource.recallIn(
-    timeMillis: Long,
-    coroutineContext: CoroutineContext = EmptyCoroutineContext
-): Job = bot.recallIn(this, timeMillis, coroutineContext)
+public suspend inline fun MessageSource.recall(): Unit = Mirai.recall(bot, this)
 
 // For MessageChain
 
@@ -451,28 +431,7 @@ public val MessageChain.source: MessageSource
  * @throws PermissionDeniedException 当 [Bot] 无权限操作时
  * @throws IllegalStateException 当这条消息已经被撤回时 (仅同步主动操作)
  *
- * @see Bot.recall
+ * @see Mirai.recall
  */
 @JvmSynthetic
-public suspend inline fun MessageChain.recall(): Unit = this.source.recall()
-
-/**
- * 在一段时间后撤回这条消息. 可撤回自己 2 分钟内发出的消息, 和任意时间的群成员的消息.
- *
- * **注意:** 仅从服务器接收的消息 (即来自 [MessageEvent.message]), 或手动添加了 [MessageSource] 元素的 [MessageChain] 才可以撤回.
- *
- * *提示: 若要撤回一条机器人自己发出的消息, 使用 [Contact.sendMessage] 返回的 [MessageReceipt] 中的 [MessageReceipt.recall]*
- *
- * [Bot] 撤回自己的消息不需要权限.
- * [Bot] 撤回群员的消息需要管理员权限.
- *
- * @throws PermissionDeniedException 当 [Bot] 无权限操作时
- * @throws IllegalStateException 当这条消息已经被撤回时 (仅同步主动操作)
- *
- * @see Bot.recall
- */
-@JvmSynthetic
-public inline fun MessageChain.recallIn(
-    millis: Long,
-    coroutineContext: CoroutineContext = EmptyCoroutineContext
-): Job = source.recallIn(millis, coroutineContext)
+public suspend inline fun MessageChain.recall(): Unit = this.source.recall()
\ No newline at end of file
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/MessageSourceBuilder.kt b/mirai-core-api/src/commonMain/kotlin/message/data/MessageSourceBuilder.kt
index 40867be17..c309776a7 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/MessageSourceBuilder.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/MessageSourceBuilder.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -14,11 +14,12 @@
 package net.mamoe.mirai.message.data
 
 import net.mamoe.mirai.Bot
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.ContactOrBot
 import net.mamoe.mirai.contact.Friend
 import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.contact.Member
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import net.mamoe.mirai.utils.currentTimeSeconds
 import kotlin.jvm.JvmMultifileClass
 import kotlin.jvm.JvmName
@@ -41,7 +42,7 @@ public fun OnlineMessageSource.toOffline(): OfflineMessageSource =
  *
  * @see buildMessageSource 查看更多说明
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @JvmName("copySource")
 public fun MessageSource.copyAmend(
     block: MessageSourceAmender.() -> Unit
@@ -103,10 +104,11 @@ public interface MessageSourceAmender {
  * ```
  */
 @JvmSynthetic
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public fun Bot.buildMessageSource(block: MessageSourceBuilder.() -> Unit): MessageSource {
     val builder = MessageSourceBuilderImpl().apply(block)
-    return constructMessageSource(
+    return Mirai.constructMessageSource(
+        this,
         builder.kind ?: error("You must call `Contact.sendTo(Contact)` when `buildMessageSource`"),
         builder.fromUin,
         builder.targetUin,
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/PlainText.kt b/mirai-core-api/src/commonMain/kotlin/message/data/PlainText.kt
index e64cecaec..1ee329e62 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/PlainText.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/PlainText.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/QuoteReply.kt b/mirai-core-api/src/commonMain/kotlin/message/data/QuoteReply.kt
index 82e38243c..955958318 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/QuoteReply.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/QuoteReply.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -13,14 +13,9 @@
 
 package net.mamoe.mirai.message.data
 
-import kotlinx.coroutines.Job
 import net.mamoe.mirai.Bot
-import net.mamoe.mirai.utils.PlannedRemoval
-import kotlin.coroutines.CoroutineContext
-import kotlin.coroutines.EmptyCoroutineContext
 import kotlin.jvm.JvmMultifileClass
 import kotlin.jvm.JvmName
-import kotlin.jvm.JvmOverloads
 import kotlin.jvm.JvmSynthetic
 
 
@@ -68,65 +63,4 @@ public inline val QuoteReply.bot: Bot
  * 撤回引用的源消息
  */
 @JvmSynthetic
-public suspend inline fun QuoteReply.recallSource(): Unit = this.source.recall()
-
-/**
- * 在一段时间后撤回引用的源消息
- */
-@JvmOverloads
-public inline fun QuoteReply.recallSourceIn(
-    millis: Long,
-    coroutineContext: CoroutineContext = EmptyCoroutineContext
-): Job = this.source.recallIn(millis, coroutineContext)
-
-
-//// 因语义不明而弃用的 API, 兼容到 1.3.0
-
-@PlannedRemoval("1.3.0")
-@get:JvmSynthetic
-@Deprecated("use source.id for clearer semantics", ReplaceWith("source.id"))
-public inline val QuoteReply.id: Int
-    get() = source.id
-
-@PlannedRemoval("1.3.0")
-@get:JvmSynthetic
-@Deprecated("use source.internalId for clearer semantics", ReplaceWith("source.internalId"))
-public inline val QuoteReply.internalId: Int
-    get() = source.internalId
-
-@PlannedRemoval("1.3.0")
-@get:JvmSynthetic
-@Deprecated("use source.fromId for clearer semantics", ReplaceWith("source.fromId"))
-public inline val QuoteReply.fromId: Long
-    get() = source.fromId
-
-@PlannedRemoval("1.3.0")
-@get:JvmSynthetic
-@Deprecated("use source.targetId for clearer semantics", ReplaceWith("source.targetId"))
-public inline val QuoteReply.targetId: Long
-    get() = source.targetId
-
-@PlannedRemoval("1.3.0")
-@get:JvmSynthetic
-@Deprecated("use source.originalMessage for clearer semantics", ReplaceWith("source.originalMessage"))
-public inline val QuoteReply.originalMessage: MessageChain
-    get() = source.originalMessage
-
-@PlannedRemoval("1.3.0")
-@get:JvmSynthetic
-@Deprecated("use source.time for clearer semantics", ReplaceWith("source.time"))
-public inline val QuoteReply.time: Int
-    get() = source.time
-
-@PlannedRemoval("1.3.0")
-@Deprecated("use recallSourceIn for clearer semantics", ReplaceWith("recallSourceIn(millis, coroutineContext)"))
-@JvmOverloads
-public inline fun QuoteReply.recallIn(
-    millis: Long,
-    coroutineContext: CoroutineContext = EmptyCoroutineContext
-): Job = recallSourceIn(millis, coroutineContext)
-
-@PlannedRemoval("1.3.0")
-@Deprecated("use recallSource for clearer semantics", ReplaceWith("this.recallSource()"))
-@JvmSynthetic
-public suspend inline fun QuoteReply.recall(): Unit = recallSource()
+public suspend inline fun QuoteReply.recallSource(): Unit = this.source.recall()
\ No newline at end of file
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/RichMessage.kt b/mirai-core-api/src/commonMain/kotlin/message/data/RichMessage.kt
index bed842c7c..ce729d483 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/RichMessage.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/RichMessage.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmName("MessageUtils")
@@ -13,7 +13,7 @@
 
 package net.mamoe.mirai.message.data
 
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import kotlin.annotation.AnnotationTarget.*
 import kotlin.jvm.JvmMultifileClass
 import kotlin.jvm.JvmName
@@ -34,7 +34,7 @@ public interface RichMessage : MessageContent {
     /**
      * **注意**: 富文本消息的 [RichMessage.contentEquals] 和 [RichMessage.toString] 都不稳定. 将来可能在没有任何警告的情况下改变格式.
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public override fun contentToString(): String = this.content
 
     /**
@@ -46,13 +46,13 @@ public interface RichMessage : MessageContent {
      * 一些模板
      * @suppress 此 API 不稳定, 可能在任意时刻被删除
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public companion object Templates : Message.Key<RichMessage> {
 
         /**
          * @suppress 此 API 不稳定, 可能在任意时刻被删除
          */
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         public fun share(
             url: String,
             title: String? = null,
@@ -150,11 +150,11 @@ commonElem=CommonElem#750141174 {
  */
 @Suppress("DEPRECATION_ERROR")
 @JvmSynthetic
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public inline fun buildXmlMessage(serviceId: Int, block: @XmlMessageDsl XmlMessageBuilder.() -> Unit): ServiceMessage =
     ServiceMessage(serviceId, XmlMessageBuilder().apply(block).text)
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @Target(CLASS, FUNCTION, TYPE)
 @DslMarker
 public annotation class XmlMessageDsl
@@ -162,7 +162,7 @@ public annotation class XmlMessageDsl
 /**
  * @suppress 此 API 不稳定
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @XmlMessageDsl
 public class XmlMessageBuilder(
     public var templateId: Int = 1,
@@ -225,7 +225,7 @@ public class XmlMessageBuilder(
     }
 }
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 internal class LongMessage internal constructor(content: String, val resId: String) : ServiceMessage(35, content) {
     companion object Key : Message.Key<LongMessage> {
         override val typeName: String get() = "LongMessage"
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/Voice.kt b/mirai-core-api/src/commonMain/kotlin/message/data/Voice.kt
index ce9538f4d..cd8efbf03 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/Voice.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/Voice.kt
@@ -1,22 +1,22 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.message.data
 
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
-import net.mamoe.mirai.utils.MiraiInternalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
+import net.mamoe.mirai.utils.MiraiInternalApi
 import net.mamoe.mirai.utils.SinceMirai
 
 /**
  * 需要通过上传到服务器的消息，如语音、文件
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public abstract class PttMessage : MessageContent {
 
     public companion object Key : Message.Key<PttMessage> {
@@ -34,7 +34,7 @@ public abstract class PttMessage : MessageContent {
  * 语音消息, 目前只支持接收和转发
  */
 @SinceMirai("1.2.0")
-public class Voice @MiraiInternalAPI constructor(
+public class Voice @MiraiInternalApi constructor(
     public override val fileName: String,
     public override val md5: ByteArray,
     public override val fileSize: Long,
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/imageDeprecated.kt b/mirai-core-api/src/commonMain/kotlin/message/data/imageDeprecated.kt
deleted file mode 100644
index f34a9ca9a..000000000
--- a/mirai-core-api/src/commonMain/kotlin/message/data/imageDeprecated.kt
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
- *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
- *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-@file:JvmMultifileClass
-@file:JvmName("MessageUtils")
-
-@file:Suppress(
-    "EXPERIMENTAL_API_USAGE",
-    "unused",
-    "DEPRECATION",
-    "UnusedImport",
-    "EXPOSED_SUPER_CLASS",
-    "DEPRECATION_ERROR"
-)
-
-package net.mamoe.mirai.message.data
-
-import kotlinx.serialization.Serializable
-import net.mamoe.mirai.Bot
-import net.mamoe.mirai.contact.Contact
-import net.mamoe.mirai.contact.Group
-import net.mamoe.mirai.utils.PlannedRemoval
-import kotlin.jvm.JvmMultifileClass
-import kotlin.jvm.JvmName
-import kotlin.jvm.JvmSynthetic
-
-
-/////////////////////////
-///// 以下 API 已弃用 /////
-/////////////////////////
-
-
-// region 已启用
-
-internal const val ONLINE_OFFLINE_DEPRECATION_MESSAGE = """
-自 1.0.0 起, mirai 已经能正常处理离线图片和在线图片的下载链接等功能. 
-使用者无需考虑一个图片为在线图片还是离线图片, 只需使用 Image 类型.
-"""
-
-
-@PlannedRemoval("1.2.0") // 改为 internal
-@Deprecated(
-    ONLINE_OFFLINE_DEPRECATION_MESSAGE,
-    level = DeprecationLevel.ERROR,
-    replaceWith = ReplaceWith("Image", "Image")
-)
-@Suppress("EXPOSED_SUPER_INTERFACE")
-public interface OnlineImage : Image, ConstOriginUrlAware {
-    public companion object Key : Message.Key<OnlineImage> {
-        public override val typeName: String get() = "OnlineImage"
-    }
-
-    public override val originUrl: String
-}
-
-/**
- * 离线的图片, 即为客户端主动上传到服务器而获得的 [Image] 实例.
- * 不能直接获取它在服务器上的链接. 需要通过 [Bot.queryImageUrl] 查询
- *
- * 一般由 [Contact.uploadImage] 得到
- */
-@PlannedRemoval("1.2.0") // 改为 internal
-@Deprecated(
-    ONLINE_OFFLINE_DEPRECATION_MESSAGE,
-    level = DeprecationLevel.ERROR,
-    replaceWith = ReplaceWith("Image", "Image")
-)
-public interface OfflineImage : Image {
-    public companion object Key : Message.Key<OfflineImage> {
-        public override val typeName: String get() = "OfflineImage"
-    }
-}
-
-@PlannedRemoval("1.2.0") // 删除
-@Deprecated(
-    ONLINE_OFFLINE_DEPRECATION_MESSAGE,
-    level = DeprecationLevel.HIDDEN
-)
-@JvmSynthetic
-public suspend fun OfflineImage.queryUrl(): String {
-    return Bot._instances.peekFirst()?.get()?.queryImageUrl(this) ?: error("No Bot available to query image url")
-}
-
-/**
- * 通过 [Group.uploadImage] 上传得到的 [GroupImage]. 它的链接需要查询 [Bot.queryImageUrl]
- *
- * @param imageId 参考 [Image.imageId]
- */
-@PlannedRemoval("1.2.0") // 改为 internal
-@Deprecated(
-    ONLINE_OFFLINE_DEPRECATION_MESSAGE,
-    level = DeprecationLevel.ERROR,
-    replaceWith = ReplaceWith("Image", "Image")
-)
-@Serializable
-public data class OfflineGroupImage(
-    public override val imageId: String
-) : GroupImage(), OfflineImage, DeferredOriginUrlAware {
-    public override fun getUrl(bot: Bot): String {
-        return "http://gchat.qpic.cn/gchatpic_new/${bot.id}/0-0-${
-            imageId.substring(1..36)
-                .replace("-", "")
-        }/0?term=2"
-    }
-
-    init {
-        @Suppress("DEPRECATION")
-        require(imageId matches GROUP_IMAGE_ID_REGEX) {
-            "Illegal imageId. It must matches GROUP_IMAGE_ID_REGEX"
-        }
-    }
-}
-
-/**
- * 接收消息时获取到的 [GroupImage]. 它可以直接获取下载链接 [originUrl]
- */
-@PlannedRemoval("1.2.0") // 改为 internal
-@Deprecated(
-    ONLINE_OFFLINE_DEPRECATION_MESSAGE,
-    level = DeprecationLevel.ERROR,
-    replaceWith = ReplaceWith("Image", "Image")
-)
-public abstract class OnlineGroupImage : GroupImage(), OnlineImage
-
-/**
- * 通过 [Group.uploadImage] 上传得到的 [GroupImage]. 它的链接需要查询 [Bot.queryImageUrl]
- *
- * @param imageId 参考 [Image.imageId]
- */
-@PlannedRemoval("1.2.0") // 改为 internal
-@Deprecated(
-    ONLINE_OFFLINE_DEPRECATION_MESSAGE,
-    level = DeprecationLevel.ERROR,
-    replaceWith = ReplaceWith("Image", "Image")
-)
-@Serializable
-public data class OfflineFriendImage(
-    public override val imageId: String
-) : FriendImage(), OfflineImage, DeferredOriginUrlAware {
-    public override fun getUrl(bot: Bot): String {
-        return "http://c2cpicdw.qpic.cn/offpic_new/${bot.id}/${this.imageId}/0?term=2"
-    }
-
-    init {
-        require(imageId matches FRIEND_IMAGE_ID_REGEX_1 || imageId matches FRIEND_IMAGE_ID_REGEX_2) {
-            "Illegal imageId. It must matches either FRIEND_IMAGE_ID_REGEX_1 or FRIEND_IMAGE_ID_REGEX_2"
-        }
-    }
-}
-
-/**
- * 接收消息时获取到的 [FriendImage]. 它可以直接获取下载链接 [originUrl]
- */
-@PlannedRemoval("1.2.0") // 改为 internal
-@Deprecated(
-    ONLINE_OFFLINE_DEPRECATION_MESSAGE,
-    level = DeprecationLevel.ERROR,
-    replaceWith = ReplaceWith("Image", "Image")
-)
-public abstract class OnlineFriendImage : FriendImage(), OnlineImage
-
-// endregion
diff --git a/mirai-core-api/src/commonMain/kotlin/message/data/impl.kt b/mirai-core-api/src/commonMain/kotlin/message/data/impl.kt
index c37d5aef5..77e2ebed2 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/data/impl.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/data/impl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE")
@@ -13,10 +13,7 @@
 
 package net.mamoe.mirai.message.data
 
-import net.mamoe.mirai.Bot
-import net.mamoe.mirai.utils.ExternalImage
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
-import net.mamoe.mirai.utils.SinceMirai
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import kotlin.jvm.JvmMultifileClass
 import kotlin.jvm.JvmName
 import kotlin.jvm.JvmSynthetic
@@ -24,62 +21,6 @@ import kotlin.native.concurrent.SharedImmutable
 
 // region image
 
-/**
- * 所有 [Image] 实现的基类.
- */
-internal abstract class AbstractImage : Image { // make sealed in 1.3.0 ?
-    @Deprecated(
-        """
-        不要自行实现 Image, 它必须由协议模块实现, 否则会无法发送也无法解析.
-    """, level = DeprecationLevel.HIDDEN
-    )
-    @Suppress("PropertyName", "DeprecatedCallableAddReplaceWith")
-    @get:JvmSynthetic
-    final override val DoNotImplementThisClass: Nothing?
-        get() = error("stub")
-
-    private var _stringValue: String? = null
-        get() = field ?: kotlin.run {
-            field = "[mirai:image:$imageId]"
-            field
-        }
-
-    final override fun toString(): String = _stringValue!!
-    final override fun contentToString(): String = "[图片]"
-}
-
-internal interface ConstOriginUrlAware : Image {
-    val originUrl: String
-}
-
-internal interface DeferredOriginUrlAware : Image {
-    fun getUrl(bot: Bot): String
-}
-
-internal interface SuspendDeferredOriginUrlAware : Image {
-    suspend fun getUrl(bot: Bot): String
-}
-
-/**
- * 由 [ExternalImage] 委托的 [Image] 类型.
- */
-@SinceMirai("1.1.0")
-@MiraiExperimentalAPI("Will be renamed to OfflineImage on 1.2.0")
-@Suppress("DEPRECATION_ERROR")
-internal class ExperimentalDeferredImage internal constructor(
-    @Suppress("CanBeParameter") private val externalImage: ExternalImage // for future use
-) : AbstractImage(), SuspendDeferredOriginUrlAware {
-    override suspend fun getUrl(bot: Bot): String {
-        TODO()
-    }
-
-    override val imageId: String = externalImage.calculateImageResourceId()
-}
-
-internal val firstOnlineBotInstance: Bot get() = Bot.botInstancesSequence.firstOrNull() ?: error("No Bot available")
-
-// endergion
-
 /////////////////////////
 //// IMPLEMENTATIONS ////
 /////////////////////////
@@ -199,7 +140,7 @@ internal fun Sequence<SingleMessage>.constrainSingleMessages(): List<SingleMessa
     }
 }
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @JvmSynthetic
 internal inline fun constrainSingleMessagesImpl(iterator: () -> SingleMessage?): ArrayList<SingleMessage> {
     val list = ArrayList<SingleMessage>()
@@ -255,8 +196,8 @@ internal fun <M : Message> MessageChain.firstOrNullImpl(key: Message.Key<M>): M?
     AtAll -> firstIsInstanceOrNull<AtAll>()
     PlainText -> firstIsInstanceOrNull<PlainText>()
     Image -> firstIsInstanceOrNull<Image>()
-    OnlineImage -> firstIsInstanceOrNull<OnlineImage>()
-    OfflineImage -> firstIsInstanceOrNull<OfflineImage>()
+    //  OnlineImage -> firstIsInstanceOrNull<OnlineImage>()
+    //  OfflineImage -> firstIsInstanceOrNull<OfflineImage>()
     GroupImage -> firstIsInstanceOrNull<GroupImage>()
     FriendImage -> firstIsInstanceOrNull<FriendImage>()
     Face -> firstIsInstanceOrNull<Face>()
@@ -412,7 +353,8 @@ internal fun calculateImageMd5ByImageId(imageId: String): ByteArray {
     }
 }
 
-internal val ILLEGAL_IMAGE_ID_EXCEPTION_MESSAGE =
+@PublishedApi
+internal val ILLEGAL_IMAGE_ID_EXCEPTION_MESSAGE: String =
     "ImageId must match Regex `${FRIEND_IMAGE_ID_REGEX_1.pattern}`, " +
             "`${FRIEND_IMAGE_ID_REGEX_2.pattern}` or " +
             "`${GROUP_IMAGE_ID_REGEX.pattern}`"
diff --git a/mirai-core-api/src/commonMain/kotlin/message/deprecated.kt b/mirai-core-api/src/commonMain/kotlin/message/deprecated.kt
index 1d2dc5ed5..252da2629 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/deprecated.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/deprecated.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress(
diff --git a/mirai-core-api/src/commonMain/kotlin/message/utils.kt b/mirai-core-api/src/commonMain/kotlin/message/utils.kt
index ff5ca8aa3..8b556af60 100644
--- a/mirai-core-api/src/commonMain/kotlin/message/utils.kt
+++ b/mirai-core-api/src/commonMain/kotlin/message/utils.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/network/ForceOfflineException.kt b/mirai-core-api/src/commonMain/kotlin/network/ForceOfflineException.kt
index 1c6c69c88..3ea73f4c7 100644
--- a/mirai-core-api/src/commonMain/kotlin/network/ForceOfflineException.kt
+++ b/mirai-core-api/src/commonMain/kotlin/network/ForceOfflineException.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.network
diff --git a/mirai-core-api/src/commonMain/kotlin/network/LoginFailedException.kt b/mirai-core-api/src/commonMain/kotlin/network/LoginFailedException.kt
index 877b54ad8..699cdb3d0 100644
--- a/mirai-core-api/src/commonMain/kotlin/network/LoginFailedException.kt
+++ b/mirai-core-api/src/commonMain/kotlin/network/LoginFailedException.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused")
@@ -12,8 +12,8 @@
 package net.mamoe.mirai.network
 
 import net.mamoe.mirai.Bot
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
-import net.mamoe.mirai.utils.MiraiInternalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
+import net.mamoe.mirai.utils.MiraiInternalApi
 import net.mamoe.mirai.utils.SinceMirai
 
 /**
@@ -31,14 +31,14 @@ public sealed class LoginFailedException(
 /**
  * 密码输入错误 (有时候也会是其他错误, 如 `"当前上网环境异常，请更换网络环境或在常用设备上登录或稍后再试。"`)
  */
-public class WrongPasswordException @MiraiInternalAPI constructor(
+public class WrongPasswordException @MiraiInternalApi constructor(
     message: String?
 ) : LoginFailedException(true, message)
 
 /**
  * 无可用服务器
  */
-public class NoServerAvailableException @MiraiInternalAPI constructor(
+public class NoServerAvailableException @MiraiInternalApi constructor(
     public override val cause: Throwable?
 ) : LoginFailedException(false, "no server available")
 
@@ -46,20 +46,20 @@ public class NoServerAvailableException @MiraiInternalAPI constructor(
  * 服务器要求稍后重试
  */
 @SinceMirai("1.2.0")
-public class RetryLaterException @MiraiInternalAPI constructor() :
+public class RetryLaterException @MiraiInternalApi constructor() :
     LoginFailedException(false, "server requests retrial later")
 
 /**
  * 无标准输入或 Kotlin 不支持此输入.
  */
-public class NoStandardInputForCaptchaException @MiraiInternalAPI constructor(
+public class NoStandardInputForCaptchaException @MiraiInternalApi constructor(
     public override val cause: Throwable?
 ) : LoginFailedException(true, "no standard input for captcha")
 
 /**
  * 需要短信验证时抛出. mirai 目前还不支持短信验证.
  */
-@MiraiExperimentalAPI("Will be removed when SMS login is supported")
+@MiraiExperimentalApi("Will be removed when SMS login is supported")
 public class UnsupportedSMSLoginException(message: String?) : LoginFailedException(true, message)
 
 /**
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/Annotations.kt b/mirai-core-api/src/commonMain/kotlin/utils/Annotations.kt
index ddc7d51c6..891f5c0e0 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/Annotations.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/Annotations.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
@@ -24,7 +24,7 @@ import kotlin.annotation.AnnotationTarget.*
     CLASS, FUNCTION, PROPERTY
 )
 @MustBeDocumented
-public annotation class MiraiInternalAPI(
+public annotation class MiraiInternalApi(
     public val message: String = ""
 )
 
@@ -38,7 +38,7 @@ public annotation class MiraiInternalAPI(
 @RequiresOptIn(level = RequiresOptIn.Level.WARNING)
 @Target(CLASS, TYPEALIAS, FUNCTION, PROPERTY, FIELD, CONSTRUCTOR)
 @MustBeDocumented
-public annotation class MiraiExperimentalAPI(
+public annotation class MiraiExperimentalApi(
     public val message: String = ""
 )
 
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/BotConfiguration.common.kt b/mirai-core-api/src/commonMain/kotlin/utils/BotConfiguration.common.kt
index 4081fbc62..1a91c833d 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/BotConfiguration.common.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/BotConfiguration.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "DEPRECATION_ERROR", "EXPOSED_SUPER_CLASS")
@@ -148,14 +148,14 @@ public open class BotConfigurationBase internal constructor() {
 
     /** 缓存策略  */
     @SinceMirai("1.0.0")
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public var fileCacheStrategy: FileCacheStrategy = FileCacheStrategy.PlatformDefault
 
     /**
      * Json 序列化器, 使用 'kotlinx.serialization'
      */
     @SinceMirai("1.1.0")
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public var json: Json = kotlin.runCatching {
         @OptIn(UnstableDefault::class)
         Json {
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/Channels.kt b/mirai-core-api/src/commonMain/kotlin/utils/Channels.kt
index 450297dcf..671ed7904 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/Channels.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/Channels.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmName("Utils")
@@ -28,7 +28,7 @@ import kotlin.jvm.JvmName
  * 从接收者管道读取所有数据并写入 [dst]. 不会关闭 [dst]
  */
 @OptIn(InternalSerializationApi::class)
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public suspend fun ByteReadChannel.copyTo(dst: OutputStream) {
     val buffer = ByteArray(2048)
     var size: Int
@@ -40,7 +40,7 @@ public suspend fun ByteReadChannel.copyTo(dst: OutputStream) {
 /**
  * 从接收者管道读取所有数据并写入 [dst]. 不会关闭 [dst]
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public suspend fun ByteReadChannel.copyTo(dst: Output) {
     val buffer = ByteArray(2048)
     var size: Int
@@ -52,7 +52,7 @@ public suspend fun ByteReadChannel.copyTo(dst: Output) {
 /**
  * 从接收者管道读取所有数据并写入 [dst]. 不会关闭 [dst]
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public suspend fun ByteReadChannel.copyTo(dst: ByteWriteChannel) {
     val buffer = ByteArray(2048)
     var size: Int
@@ -67,7 +67,7 @@ public suspend fun ByteReadChannel.copyTo(dst: ByteWriteChannel) {
 /**
  * 从接收者管道读取所有数据并写入 [dst], 最终关闭 [dst]
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @OptIn(InternalSerializationApi::class)
 public suspend fun ByteReadChannel.copyAndClose(dst: OutputStream) { // 在 JVM 这个 API 不是 internal 的
     try {
@@ -84,7 +84,7 @@ public suspend fun ByteReadChannel.copyAndClose(dst: OutputStream) { // 在 JVM
 /**
  * 从接收者管道读取所有数据并写入 [dst], 最终关闭 [dst]
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public suspend fun ByteReadChannel.copyAndClose(dst: Output) {
     try {
         val buffer = ByteArray(2048)
@@ -100,7 +100,7 @@ public suspend fun ByteReadChannel.copyAndClose(dst: Output) {
 /**
  * 从接收者管道读取所有数据并写入 [dst], 最终关闭 [dst]
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public suspend fun ByteReadChannel.copyAndClose(dst: ByteWriteChannel) {
     @Suppress("DuplicatedCode")
     try {
@@ -118,7 +118,7 @@ public suspend fun ByteReadChannel.copyAndClose(dst: ByteWriteChannel) {
 /**
  * 从接收者管道读取所有数据并写入 [dst], 最终关闭 [dst]
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public suspend fun ByteReadChannel.copyAndClose(dst: io.ktor.utils.io.ByteWriteChannel) {
     @Suppress("DuplicatedCode")
     try {
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/Context.common.kt b/mirai-core-api/src/commonMain/kotlin/utils/Context.common.kt
index 1c81fc6ad..0166da8f8 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/Context.common.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/Context.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/DeviceInfo.kt b/mirai-core-api/src/commonMain/kotlin/utils/DeviceInfo.kt
index 3f7756da8..5c54d9427 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/DeviceInfo.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/DeviceInfo.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/ExternalImage.kt b/mirai-core-api/src/commonMain/kotlin/utils/ExternalImage.kt
index 1fa0a32f9..1739d60e7 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/ExternalImage.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/ExternalImage.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "unused")
@@ -69,12 +69,12 @@ public class ExternalImage internal constructor(
         public const val defaultFormatName: String = "mirai"
 
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         public fun generateUUID(md5: ByteArray): String {
             return "${md5[0, 3]}-${md5[4, 5]}-${md5[6, 7]}-${md5[8, 9]}-${md5[10, 15]}"
         }
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         public fun generateImageId(md5: ByteArray): String {
             return """{${generateUUID(md5)}}.$defaultFormatName"""
         }
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/FileCacheStrategy.common.kt b/mirai-core-api/src/commonMain/kotlin/utils/FileCacheStrategy.common.kt
index 763e267a5..3cc627e87 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/FileCacheStrategy.common.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/FileCacheStrategy.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
@@ -21,13 +21,13 @@ import kotlin.contracts.contract
  *
  * 图片上传时默认使用文件缓存.
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public expect interface FileCacheStrategy {
     /**
      * 将 [input] 缓存为 [ExternalImage].
      * 此函数应 close 这个 [Input]
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @Throws(IOException::class)
     public fun newImageCache(input: Input): ExternalImage
 
@@ -35,25 +35,25 @@ public expect interface FileCacheStrategy {
      * 将 [input] 缓存为 [ExternalImage].
      * 此 [input] 的内容应是不变的.
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @Throws(IOException::class)
     public fun newImageCache(input: ByteArray): ExternalImage
 
     /**
      * 默认的缓存方案. 在 JVM 平台使用系统临时文件.
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public object PlatformDefault : FileCacheStrategy
 
     /**
      * 使用内存直接存储所有图片文件.
      */
     public object MemoryCache : FileCacheStrategy {
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @Throws(IOException::class)
         public override fun newImageCache(input: Input): ExternalImage
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @Throws(IOException::class)
         public override fun newImageCache(input: ByteArray): ExternalImage
     }
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/LazyProperty.kt b/mirai-core-api/src/commonMain/kotlin/utils/LazyProperty.kt
index 707c8124f..b07185cc0 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/LazyProperty.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/LazyProperty.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/LockFreeLinkedList.kt b/mirai-core-api/src/commonMain/kotlin/utils/LockFreeLinkedList.kt
index 7ee21b3a2..b33948e5f 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/LockFreeLinkedList.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/LockFreeLinkedList.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("NOTHING_TO_INLINE", "unused")
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/LoginSolver.kt b/mirai-core-api/src/commonMain/kotlin/utils/LoginSolver.kt
index 94035ae7e..60a763a72 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/LoginSolver.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/LoginSolver.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/MiraiLogger.kt b/mirai-core-api/src/commonMain/kotlin/utils/MiraiLogger.kt
index 0bce9ce99..8d85d58f5 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/MiraiLogger.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/MiraiLogger.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused")
@@ -261,9 +261,9 @@ public open class SimpleLogger(
 ) : MiraiLoggerPlatformBase() {
 
     public enum class LogPriority(
-        @MiraiExperimentalAPI public val nameAligned: String,
+        @MiraiExperimentalApi public val nameAligned: String,
         public val simpleName: String,
-        @MiraiExperimentalAPI public val correspondingFunction: MiraiLogger.(message: String?, e: Throwable?) -> Unit
+        @MiraiExperimentalApi public val correspondingFunction: MiraiLogger.(message: String?, e: Throwable?) -> Unit
     ) {
         VERBOSE("VERBOSE", "V", MiraiLogger::verbose),
         DEBUG(" DEBUG ", "D", MiraiLogger::debug),
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/OverFileSizeMaxException.kt b/mirai-core-api/src/commonMain/kotlin/utils/OverFileSizeMaxException.kt
index 128efa4ff..fb1dc9c81 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/OverFileSizeMaxException.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/OverFileSizeMaxException.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/SoftRef.kt b/mirai-core-api/src/commonMain/kotlin/utils/SoftRef.kt
index 0fc805178..f08882e0f 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/SoftRef.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/SoftRef.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "NOTHING_TO_INLINE")
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/TimeUtils.kt b/mirai-core-api/src/commonMain/kotlin/utils/TimeUtils.kt
index 158d77f9b..9feaef1c9 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/TimeUtils.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/TimeUtils.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -82,7 +82,7 @@ public inline val Int.weeksToSeconds: Long
 public inline val Int.monthsToSeconds: Long
     get() = this * 30.daysToSeconds
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 @ExperimentalTime
 public val Duration.asHumanReadable: String
     get() {
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/WeakRef.kt b/mirai-core-api/src/commonMain/kotlin/utils/WeakRef.kt
index e84b7e1f4..e9211455d 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/WeakRef.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/WeakRef.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "NOTHING_TO_INLINE")
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/internal/ChunkedFlowSession.kt b/mirai-core-api/src/commonMain/kotlin/utils/internal/ChunkedFlowSession.kt
index 3f749285b..d424200f7 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/internal/ChunkedFlowSession.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/internal/ChunkedFlowSession.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
@@ -19,12 +19,12 @@ import kotlinx.io.core.ByteReadPacket
 import kotlinx.io.core.Closeable
 import kotlinx.io.core.Input
 import kotlinx.serialization.InternalSerializationApi
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import java.io.InputStream
 import kotlin.jvm.JvmField
 
 
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public interface ChunkedFlowSession<T> : Closeable {
     public val flow: Flow<T>
     override fun close()
@@ -41,7 +41,7 @@ internal inline fun <T, R> ChunkedFlowSession<T>.map(crossinline mapper: suspend
 /**
  * 由 [chunkedFlow] 分割得到的区块
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public class ChunkedInput(
     /**
      * 区块的数据.
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/internal/DeferredReusableInput.common.kt b/mirai-core-api/src/commonMain/kotlin/utils/internal/DeferredReusableInput.common.kt
index f0706a8bc..a370f5df4 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/internal/DeferredReusableInput.common.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/internal/DeferredReusableInput.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/internal/RandomUtils.kt b/mirai-core-api/src/commonMain/kotlin/utils/internal/RandomUtils.kt
index 2c17e9624..1c3cfca38 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/internal/RandomUtils.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/internal/RandomUtils.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/internal/ReusableInput.kt b/mirai-core-api/src/commonMain/kotlin/utils/internal/ReusableInput.kt
index d1c36d1bf..145700e05 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/internal/ReusableInput.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/internal/ReusableInput.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/internal/asReusableInput.common.kt b/mirai-core-api/src/commonMain/kotlin/utils/internal/asReusableInput.common.kt
index ade61e8ab..22b3baa8b 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/internal/asReusableInput.common.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/internal/asReusableInput.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/internal/md5.common.kt b/mirai-core-api/src/commonMain/kotlin/utils/internal/md5.common.kt
index 538752522..2e8a832bf 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/internal/md5.common.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/internal/md5.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "unused")
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/internal/retryCatching.common.kt b/mirai-core-api/src/commonMain/kotlin/utils/internal/retryCatching.common.kt
index 14da423fc..d648155a8 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/internal/retryCatching.common.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/internal/retryCatching.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/internal/runBlocking.common.kt b/mirai-core-api/src/commonMain/kotlin/utils/internal/runBlocking.common.kt
index df3e0d0eb..a89afdd79 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/internal/runBlocking.common.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/internal/runBlocking.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/BufferedInputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/BufferedInputStream.kt
index 73f377a60..155105648 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/BufferedInputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/BufferedInputStream.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/BufferedOutputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/BufferedOutputStream.kt
index b4bc5bbb3..3a4a11490 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/BufferedOutputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/BufferedOutputStream.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ByteArrayInputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ByteArrayInputStream.kt
index 53d00b3d3..0b9ec64e8 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ByteArrayInputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ByteArrayInputStream.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ByteArrayOutputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ByteArrayOutputStream.kt
index 5f909e097..b3893eb3b 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ByteArrayOutputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ByteArrayOutputStream.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("unused", "NO_ACTUAL_FOR_EXPECT", "PackageDirectoryMismatch")
 
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/Closeable.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/Closeable.kt
index c77b71bc7..588241bc2 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/Closeable.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/Closeable.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("unused", "NO_ACTUAL_FOR_EXPECT", "PackageDirectoryMismatch")
 
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/DataInput.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/DataInput.kt
index c18757dac..6aa085bef 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/DataInput.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/DataInput.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/DataOutput.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/DataOutput.kt
index 21ec82901..a8d89a61e 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/DataOutput.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/DataOutput.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/EOFException.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/EOFException.kt
index 4a4e30fcf..92244aa25 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/EOFException.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/EOFException.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/File.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/File.kt
index 59c25b582..e86a8ee8e 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/File.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/File.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress(
     "unused",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileDescriptor.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileDescriptor.kt
index 46454ffbc..20ae3f361 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileDescriptor.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileDescriptor.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
@@ -39,8 +48,10 @@ public expect final class FileDescriptor {
     public companion object {
         @JvmStatic
         public val `in`: FileDescriptor
+
         @JvmStatic
         public val out: FileDescriptor
+
         @JvmStatic
         public val err: FileDescriptor
     }
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileInputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileInputStream.kt
index 73ebeb2d4..6b0b3eeca 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileInputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileInputStream.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileOutputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileOutputStream.kt
index b7057d539..d0bf2b910 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileOutputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FileOutputStream.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FilterInputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FilterInputStream.kt
index 0525281e4..edcaa2fe6 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FilterInputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FilterInputStream.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FilterOutputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FilterOutputStream.kt
index ea5351b71..1c7cc924f 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FilterOutputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/FilterOutputStream.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/IOException.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/IOException.kt
index 5ed6a7c9a..ca3d10bd8 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/IOException.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/IOException.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/InputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/InputStream.kt
index f95510a6b..5f08dd217 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/InputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/InputStream.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ObjectInput.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ObjectInput.kt
index 3e7f191e6..3747ea3ce 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ObjectInput.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/ObjectInput.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/OutputStream.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/OutputStream.kt
index 87025f2cb..b3a8294ca 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/OutputStream.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/OutputStream.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("unused", "NO_ACTUAL_FOR_EXPECT", "PackageDirectoryMismatch")
 
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/Serializable.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/Serializable.kt
index 6b9bb0c3d..7a6db09a7 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/Serializable.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/io/Serializable.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress(
     "unused",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Inet4Address.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Inet4Address.kt
index 3567bffdb..3edd8e034 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Inet4Address.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Inet4Address.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Inet6Address.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Inet6Address.kt
index 3627d557c..a06d88e64 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Inet6Address.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Inet6Address.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/InetAddress.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/InetAddress.kt
index 73e5d5d9f..8844539a0 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/InetAddress.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/InetAddress.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
@@ -53,14 +62,19 @@ public expect open class InetAddress : java.io.Serializable {
     public companion object {
         @JvmStatic
         public open fun getByAddress(host: String, addr: ByteArray): InetAddress
+
         @JvmStatic
         public open fun getByName(host: String): InetAddress
+
         @JvmStatic
         public open fun getAllByName(host: String): Array<InetAddress>
+
         @JvmStatic
         public open fun getLoopbackAddress(): InetAddress
+
         @JvmStatic
         public open fun getByAddress(addr: ByteArray): InetAddress
+
         @JvmStatic
         public open fun getLocalHost(): InetAddress
     }
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/InetSocketAddress.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/InetSocketAddress.kt
index 5060b7806..c40233933 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/InetSocketAddress.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/InetSocketAddress.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Proxy.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Proxy.kt
index 9170dcbe0..9614f27ac 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Proxy.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Proxy.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress(
     "unused",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Socket.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Socket.kt
index b6561f84f..bf09e1845 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Socket.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/Socket.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketAddress.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketAddress.kt
index 6a28bf96f..15c4868ae 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketAddress.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketAddress.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketException.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketException.kt
index 0a79a6055..1b29b8b41 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketException.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketException.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketOption.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketOption.kt
index 5735aae2a..7f4a97f5e 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketOption.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketOption.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketOptions.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketOptions.kt
index 29078cb22..fb3aca972 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketOptions.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/SocketOptions.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URI.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URI.kt
index e069d19d9..bb0990268 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URI.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URI.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress(
     "unused",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URL.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URL.kt
index ca746cc43..74ab988e0 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URL.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URL.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress(
     "unused",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URLConnection.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URLConnection.kt
index 1534f5b49..89c4dbab1 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URLConnection.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/net/URLConnection.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress(
     "unused",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Buffer.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Buffer.kt
index f9e58b6c3..ea634a3e4 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Buffer.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Buffer.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("unused", "NO_ACTUAL_FOR_EXPECT", "PackageDirectoryMismatch")
 
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/ByteBuffer.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/ByteBuffer.kt
index ab1c69995..f92ec15ab 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/ByteBuffer.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/ByteBuffer.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("unused", "NO_ACTUAL_FOR_EXPECT", "PackageDirectoryMismatch")
 
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/ByteOrder.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/ByteOrder.kt
index bc989f909..f2bde11d2 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/ByteOrder.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/ByteOrder.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("unused", "NO_ACTUAL_FOR_EXPECT", "PackageDirectoryMismatch")
 
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/FileSystem.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/FileSystem.kt
index c6011f0e8..1363b5b2e 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/FileSystem.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/FileSystem.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Path.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Path.kt
index c52da3677..056004b4b 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Path.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Path.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress(
     "unused",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Paths.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Paths.kt
index 7e24a7ccf..6bf630b7a 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Paths.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Paths.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Watchable.kt b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Watchable.kt
index fefc26ab9..a2bec503d 100644
--- a/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Watchable.kt
+++ b/mirai-core-api/src/commonMain/kotlin/utils/java.bindings/nio/Watchable.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress(
     "unused",
     "NO_ACTUAL_FOR_EXPECT",
diff --git a/mirai-core-api/src/commonTest/kotlin/message.data/CombinedMessageTest.kt b/mirai-core-api/src/commonTest/kotlin/message.data/CombinedMessageTest.kt
index b92a8b834..41a1ff741 100644
--- a/mirai-core-api/src/commonTest/kotlin/message.data/CombinedMessageTest.kt
+++ b/mirai-core-api/src/commonTest/kotlin/message.data/CombinedMessageTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package  net.mamoe.mirai.message.data
 
diff --git a/mirai-core-api/src/commonTest/kotlin/message.data/ConstrainSingleTest.kt b/mirai-core-api/src/commonTest/kotlin/message.data/ConstrainSingleTest.kt
index 928c6e941..47c02d0a5 100644
--- a/mirai-core-api/src/commonTest/kotlin/message.data/ConstrainSingleTest.kt
+++ b/mirai-core-api/src/commonTest/kotlin/message.data/ConstrainSingleTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package  net.mamoe.mirai.message.data
 
diff --git a/mirai-core-api/src/commonTest/kotlin/message.data/ContentEqualsTest.kt b/mirai-core-api/src/commonTest/kotlin/message.data/ContentEqualsTest.kt
index e173767a3..525b3b552 100644
--- a/mirai-core-api/src/commonTest/kotlin/message.data/ContentEqualsTest.kt
+++ b/mirai-core-api/src/commonTest/kotlin/message.data/ContentEqualsTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package  net.mamoe.mirai.message.data
 
diff --git a/mirai-core-api/src/commonTest/kotlin/message.data/ImageTest.kt b/mirai-core-api/src/commonTest/kotlin/message.data/ImageTest.kt
index de218d050..084a71cca 100644
--- a/mirai-core-api/src/commonTest/kotlin/message.data/ImageTest.kt
+++ b/mirai-core-api/src/commonTest/kotlin/message.data/ImageTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("EXPERIMENTAL_API_USAGE")
 
diff --git a/mirai-core-api/src/commonTest/kotlin/message.data/MessageChainBuilderTest.kt b/mirai-core-api/src/commonTest/kotlin/message.data/MessageChainBuilderTest.kt
index 36da61dbd..28beb110a 100644
--- a/mirai-core-api/src/commonTest/kotlin/message.data/MessageChainBuilderTest.kt
+++ b/mirai-core-api/src/commonTest/kotlin/message.data/MessageChainBuilderTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package  net.mamoe.mirai.message.data
 
diff --git a/mirai-core-api/src/commonTest/kotlin/message.data/MessageUtilsTest.kt b/mirai-core-api/src/commonTest/kotlin/message.data/MessageUtilsTest.kt
index 1c9ba8969..95687f514 100644
--- a/mirai-core-api/src/commonTest/kotlin/message.data/MessageUtilsTest.kt
+++ b/mirai-core-api/src/commonTest/kotlin/message.data/MessageUtilsTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package  net.mamoe.mirai.message.data
 
diff --git a/mirai-core-api/src/commonTest/kotlin/message.data/TestMessageChainDelegate.kt b/mirai-core-api/src/commonTest/kotlin/message.data/TestMessageChainDelegate.kt
index 783e68467..c343e9c44 100644
--- a/mirai-core-api/src/commonTest/kotlin/message.data/TestMessageChainDelegate.kt
+++ b/mirai-core-api/src/commonTest/kotlin/message.data/TestMessageChainDelegate.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.message.data
 
diff --git a/mirai-core-api/src/commonTest/kotlin/package.kt b/mirai-core-api/src/commonTest/kotlin/package.kt
index a04ac80e4..d26340a01 100644
--- a/mirai-core-api/src/commonTest/kotlin/package.kt
+++ b/mirai-core-api/src/commonTest/kotlin/package.kt
@@ -1,9 +1,9 @@
 /*
- * Copyright 2020 Mamoe Technologies and contributors.
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai
\ No newline at end of file
diff --git a/mirai-core-api/src/commonTest/kotlin/test/TestDSL.kt b/mirai-core-api/src/commonTest/kotlin/test/TestDSL.kt
index 980435979..61b32eccb 100644
--- a/mirai-core-api/src/commonTest/kotlin/test/TestDSL.kt
+++ b/mirai-core-api/src/commonTest/kotlin/test/TestDSL.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("NOTHING_TO_INLINE")
 
diff --git a/mirai-core-api/src/commonTest/kotlin/utils/ExternalImageTest.kt b/mirai-core-api/src/commonTest/kotlin/utils/ExternalImageTest.kt
index d95a68a17..522d03fb3 100644
--- a/mirai-core-api/src/commonTest/kotlin/utils/ExternalImageTest.kt
+++ b/mirai-core-api/src/commonTest/kotlin/utils/ExternalImageTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.utils
 
diff --git a/mirai-core-api/src/commonTest/kotlin/utils/TimeTest.kt b/mirai-core-api/src/commonTest/kotlin/utils/TimeTest.kt
index 85e63e200..4c72518b7 100644
--- a/mirai-core-api/src/commonTest/kotlin/utils/TimeTest.kt
+++ b/mirai-core-api/src/commonTest/kotlin/utils/TimeTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.utils
 
diff --git a/mirai-core-api/src/jvmMain/kotlin/BotFactory.kt b/mirai-core-api/src/jvmMain/kotlin/BotFactory.kt
index 85dbeccf9..9cb19246f 100644
--- a/mirai-core-api/src/jvmMain/kotlin/BotFactory.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/BotFactory.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("FunctionName", "INAPPLICABLE_JVM_NAME", "DEPRECATION_ERROR", "DeprecatedCallableAddReplaceWith")
@@ -42,6 +42,12 @@ public actual interface BotFactory {
         configuration: BotConfiguration
     ): Bot
 
+    /**
+     * 使用指定的 [配置][configuration] 构造 [Bot] 实例
+     */
+    @JvmName("newBot")
+    public fun Bot(qq: Long, password: String, configuration: BotConfiguration = BotConfiguration.Default): Bot
+
     /**
      * 使用指定的 [配置][configuration] 构造 [Bot] 实例
      */
@@ -53,15 +59,33 @@ public actual interface BotFactory {
         configuration: BotConfiguration
     ): Bot
 
+    /**
+     * 使用指定的 [配置][configuration] 构造 [Bot] 实例
+     */
+    @JvmName("newBot")
+    public fun Bot(
+        qq: Long,
+        passwordMd5: ByteArray,
+        configuration: BotConfiguration
+    ): Bot
+
     @SinceMirai("1.3.0")
     public actual companion object INSTANCE : BotFactory {
         override fun Bot(context: Context, qq: Long, password: String, configuration: BotConfiguration): Bot {
             return factory.Bot(context, qq, password, configuration)
         }
 
+        override fun Bot(qq: Long, password: String, configuration: BotConfiguration): Bot {
+            return factory.Bot(qq, password, configuration)
+        }
+
         override fun Bot(context: Context, qq: Long, passwordMd5: ByteArray, configuration: BotConfiguration): Bot {
             return factory.Bot(context, qq, passwordMd5, configuration)
         }
+
+        override fun Bot(qq: Long, passwordMd5: ByteArray, configuration: BotConfiguration): Bot {
+            return factory.Bot(qq, passwordMd5, configuration)
+        }
     }
 }
 
diff --git a/mirai-core-api/src/jvmMain/kotlin/BotJavaFriendlyAPI.kt b/mirai-core-api/src/jvmMain/kotlin/BotJavaFriendlyAPI.kt
deleted file mode 100644
index a74e9ea4a..000000000
--- a/mirai-core-api/src/jvmMain/kotlin/BotJavaFriendlyAPI.kt
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
- *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
- *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-package net.mamoe.mirai
-
-import kotlinx.coroutines.*
-import net.mamoe.mirai.contact.recall
-import net.mamoe.mirai.message.MessageReceipt
-import net.mamoe.mirai.message.data.Image
-import net.mamoe.mirai.message.data.MessageChain
-import net.mamoe.mirai.message.data.MessageSource
-import net.mamoe.mirai.message.data.queryUrl
-import net.mamoe.mirai.network.LoginFailedException
-import java.util.concurrent.Future
-import java.util.concurrent.TimeUnit
-import java.util.concurrent.TimeoutException
-
-/**
- * [Bot] 中为了让 Java 使用者调用更方便的 API 列表.
- */
-@Suppress("FunctionName", "INAPPLICABLE_JVM_NAME", "unused")
-internal actual interface BotJavaFriendlyAPI {
-
-    /**
-     * 登录, 或重新登录.
-     * 这个函数总是关闭一切现有网路任务, 然后重新登录并重新缓存好友列表和群列表.
-     *
-     * 一般情况下不需要重新登录. Mirai 能够自动处理掉线情况.
-     *
-     * 最终调用 [net.mamoe.mirai.network.BotNetworkHandler.closeEverythingAndRelogin]
-     *
-     * @throws LoginFailedException
-     */
-    @Throws(LoginFailedException::class)
-    @JvmName("login")
-    fun __loginBlockingForJava__() {
-        runBlocking { login() }
-    }
-
-    /**
-     * 撤回这条消息. 可撤回自己 2 分钟内发出的消息, 和任意时间的群成员的消息.
-     *
-     * [Bot] 撤回自己的消息不需要权限.
-     * [Bot] 撤回群员的消息需要管理员权限.
-     *
-     * @param source 消息源. 可从 [MessageReceipt.source] 获得, 或从消息事件中的 [MessageChain] 获得.
-     *
-     * @throws PermissionDeniedException 当 [Bot] 无权限操作时
-     *
-     * @see Bot.recall (扩展函数) 接受参数 [MessageChain]
-     */
-    @JvmName("recall")
-    fun __recallBlockingForJava__(source: MessageSource) {
-        runBlocking { recall(source) }
-    }
-
-    /**
-     * 撤回这条消息.
-     * 根据 [message] 内的 [MessageSource] 进行相关判断.
-     *
-     * [Bot] 撤回自己的消息不需要权限.
-     * [Bot] 撤回群员的消息需要管理员权限.
-     *
-     * @throws PermissionDeniedException 当 [Bot] 无权限操作时
-     * @see Bot.recall
-     */
-    @JvmName("recall")
-    fun __recallBlockingForJava__(message: MessageChain) {
-        runBlocking { recall(message) }
-    }
-
-    /**
-     * 在一段时间后撤回这条消息.
-     * 将根据 [MessageSource.groupId] 判断消息是群消息还是好友消息.
-     *
-     * @param millis 延迟的时间, 单位为毫秒
-     * @see recall
-     */
-    @JvmName("recallIn")
-    fun __recallIn_MemberForJava__(source: MessageSource, millis: Long) {
-        runBlocking { recallIn(source, millis) }
-    }
-
-    /**
-     * 在一段时间后撤回这条消息.
-     *
-     * @param millis 延迟的时间, 单位为毫秒
-     * @see recall
-     */
-    @JvmName("recallIn")
-    fun __recallIn_MemberForJava__(source: MessageChain, millis: Long) {
-        runBlocking { recallIn(source, millis) }
-    }
-
-    /**
-     * 获取图片下载链接
-     */
-    @JvmName("queryImageUrl")
-    fun __queryImageUrlBlockingForJava__(image: Image): String {
-        return runBlocking { image.queryUrl() }
-    }
-
-    /**
-     * 阻塞当前线程直到 [Bot] 下线.
-     */
-    @JvmName("join")
-    fun __joinBlockingForJava__() {
-        runBlocking { join() }
-    }
-
-    /**
-     * 异步调用 [__loginBlockingForJava__]
-     */
-    @JvmName("loginAsync")
-    fun __loginAsyncForJava__(): Future<Unit> {
-        return future { login() }
-    }
-
-    /**
-     * 异步调用 [__recallBlockingForJava__]
-     */
-    @JvmName("recallAsync")
-    fun __recallAsyncForJava__(source: MessageSource): Future<Unit> {
-        return future { recall(source) }
-    }
-
-    /**
-     * 异步调用 [__recallBlockingForJava__]
-     */
-    @JvmName("recallAsync")
-    fun __recallAsyncForJava__(source: MessageChain): Future<Unit> {
-        return future { recall(source) }
-    }
-
-    /**
-     * 异步调用 [__queryImageUrlBlockingForJava__]
-     */
-    @JvmName("queryImageUrlAsync")
-    fun __queryImageUrlAsyncForJava__(image: Image): Future<String> {
-        return future { image.queryUrl() }
-    }
-}
-
-private inline fun <R> BotJavaFriendlyAPI.future(crossinline block: suspend Bot.() -> R): Future<R> {
-    return (this as CoroutineScope).run { future { block(this as Bot) } }
-}
-
-private inline fun <R> BotJavaFriendlyAPI.runBlocking(crossinline block: suspend Bot.() -> R): R {
-    return kotlinx.coroutines.runBlocking { block(this@runBlocking as Bot) }
-}
-
-@OptIn(ExperimentalCoroutinesApi::class)
-internal fun <R, C : CoroutineScope> C.future(block: suspend C.() -> R): Future<R> {
-    val future = object : Future<R> {
-        val value: CompletableDeferred<R> = CompletableDeferred()
-
-        override fun isDone(): Boolean {
-            return value.isCompleted
-        }
-
-        override fun get(): R {
-            if (value.isCompleted) {
-                return value.getCompleted()
-            }
-            return runBlocking { value.await() }
-        }
-
-        override fun get(timeout: Long, unit: TimeUnit): R {
-            if (value.isCompleted) {
-                return value.getCompleted()
-            }
-            return runBlocking {
-                withTimeoutOrNull(TimeUnit.MILLISECONDS.convert(timeout, unit)) { value.await() }
-                    ?: throw TimeoutException()
-            }
-        }
-
-        override fun cancel(mayInterruptIfRunning: Boolean): Boolean {
-            if (value.isCompleted || value.isCancelled) {
-                return false
-            }
-
-            return if (mayInterruptIfRunning && value.isActive) {
-                value.cancel()
-                true
-            } else {
-                false
-            }
-        }
-
-        override fun isCancelled(): Boolean {
-            return value.isCancelled
-        }
-    }
-
-    launch {
-        @OptIn(ExperimentalCoroutinesApi::class)
-        future.value.completeWith(kotlin.runCatching { block() })
-    }
-
-    return future
-}
\ No newline at end of file
diff --git a/mirai-core-api/src/jvmMain/kotlin/contact/ContactJavaFriendlyAPI.kt b/mirai-core-api/src/jvmMain/kotlin/contact/ContactJavaFriendlyAPI.kt
deleted file mode 100644
index b2593d4b2..000000000
--- a/mirai-core-api/src/jvmMain/kotlin/contact/ContactJavaFriendlyAPI.kt
+++ /dev/null
@@ -1,365 +0,0 @@
-/*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
- *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
- *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-package net.mamoe.mirai.contact
-
-import kotlinx.coroutines.Dispatchers
-import kotlinx.io.core.Input
-import net.mamoe.mirai.Bot
-import net.mamoe.mirai.JavaFriendlyAPI
-import net.mamoe.mirai.event.events.*
-import net.mamoe.mirai.future
-import net.mamoe.mirai.message.MessageReceipt
-import net.mamoe.mirai.message.data.Image
-import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.uploadImage
-import net.mamoe.mirai.utils.ExternalImage
-import net.mamoe.mirai.utils.OverFileSizeMaxException
-import net.mamoe.mirai.utils.UnstableExternalImage
-import java.awt.image.BufferedImage
-import java.io.File
-import java.io.InputStream
-import java.net.URL
-import java.util.concurrent.Future
-
-@JavaFriendlyAPI
-@Suppress("INAPPLICABLE_JVM_NAME", "FunctionName", "unused")
-internal actual interface ContactJavaFriendlyAPI {
-    /**
-     * 向这个对象发送消息.
-     *
-     * 单条消息最大可发送 4500 字符或 50 张图片.
-     *
-     * @see FriendMessageSendEvent 发送好友信息事件, cancellable
-     * @see GroupMessageSendEvent  发送群消息事件. cancellable
-     *
-     * @throws EventCancelledException 当发送消息事件被取消时抛出
-     * @throws BotIsBeingMutedException 发送群消息时若 [Bot] 被禁言抛出
-     * @throws MessageTooLargeException 当消息过长时抛出
-     *
-     * @return 消息回执. 可 [引用回复][MessageReceipt.quote]（仅群聊）或 [撤回][MessageReceipt.recall] 这条消息.
-     */
-    @Throws(EventCancelledException::class, IllegalStateException::class)
-    @JvmName("sendMessage")
-    fun __sendMessageBlockingForJava__(message: Message): MessageReceipt<Contact> {
-        return runBlocking { sendMessage(message) }
-    }
-
-    @Throws(EventCancelledException::class, IllegalStateException::class)
-    @JvmName("sendMessage")
-    fun __sendMessageBlockingForJava__(message: String): MessageReceipt<Contact> {
-        return runBlocking { sendMessage(message) }
-    }
-
-    /**
-     * 上传一个图片以备发送.
-     *
-     * @see BeforeImageUploadEvent 图片发送前事件, cancellable
-     * @see ImageUploadEvent 图片发送完成事件
-     *
-     * @throws EventCancelledException 当发送消息事件被取消
-     * @throws OverFileSizeMaxException 当图片文件过大而被服务器拒绝上传时. (最大大小约为 20 MB)
-     */
-    @UnstableExternalImage
-    @Throws(OverFileSizeMaxException::class)
-    @JvmName("uploadImage")
-    fun __uploadImageBlockingForJava__(image: ExternalImage): Image {
-        return runBlocking { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中下载 [URL] 到临时文件并将其作为图片上传, 但不发送
-     * @throws OverFileSizeMaxException
-     */
-    @Throws(OverFileSizeMaxException::class)
-    @Suppress("DEPRECATION")
-    @JvmName("uploadImage")
-    fun __uploadImageBlockingForJava__(image: URL): Image {
-        return runBlocking { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中读取 [InputStream] 到临时文件并将其作为图片上传, 但不发送
-     * @throws OverFileSizeMaxException
-     */
-    @Throws(OverFileSizeMaxException::class)
-    @JvmName("uploadImage")
-    fun __uploadImageBlockingForJava__(image: InputStream): Image {
-        return runBlocking { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中读取 [Input] 到临时文件并将其作为图片上传, 但不发送
-     * @throws OverFileSizeMaxException
-     */
-    @Deprecated(
-        "已弃用对 kotlinx.io 的支持",
-        level = DeprecationLevel.ERROR
-    )
-    @Suppress("DEPRECATION_ERROR")
-    @Throws(OverFileSizeMaxException::class)
-    @JvmName("uploadImage")
-    fun __uploadImageBlockingForJava__(image: Input): Image {
-        return runBlocking { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中将文件作为图片上传, 但不发送
-     * @throws OverFileSizeMaxException
-     */
-    @Throws(OverFileSizeMaxException::class)
-    @JvmName("uploadImage")
-    fun __uploadImageBlockingForJava__(image: File): Image {
-        return runBlocking { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中将图片上传, 但不发送. 不会保存临时文件
-     * @throws OverFileSizeMaxException
-     */
-    @Throws(OverFileSizeMaxException::class)
-    @JvmName("uploadImage")
-    fun __uploadImageBlockingForJava__(image: BufferedImage): Image {
-        return runBlocking { uploadImage(image) }
-    }
-
-    /**
-     * 发送消息
-     * @see Contact.sendMessage
-     */
-    @JvmName("sendMessageAsync")
-    @Deprecated("已停止支持 Java async API", level = DeprecationLevel.WARNING)
-    fun __sendMessageAsyncForJava__(message: Message): Future<MessageReceipt<Contact>> {
-        return future { sendMessage(message) }
-    }
-
-    /**
-     * 发送消息
-     * @see Contact.sendMessage
-     */
-    @JvmName("sendMessageAsync")
-    @Deprecated("已停止支持 Java async API", level = DeprecationLevel.WARNING)
-    fun __sendMessageAsyncForJava__(message: String): Future<MessageReceipt<Contact>> {
-        return future { sendMessage(message) }
-    }
-
-    /**
-     * 上传一个图片以备发送.
-     *
-     * @see BeforeImageUploadEvent 图片发送前事件, cancellable
-     * @see ImageUploadEvent 图片发送完成事件
-     */
-    @UnstableExternalImage
-    @JvmName("uploadImageAsync")
-    @Deprecated("已停止支持 Java async API", level = DeprecationLevel.WARNING)
-    fun __uploadImageAsyncForJava__(image: ExternalImage): Future<Image> {
-        return future { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中下载 [URL] 到临时文件并将其作为图片上传, 但不发送
-     */
-    @Deprecated("已停止支持 Java async API", level = DeprecationLevel.WARNING)
-    @Suppress("DEPRECATION")
-    @JvmName("uploadImageAsync")
-    fun __uploadImageAsyncForJava__(image: URL): Future<Image> {
-        return future { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中读取 [InputStream] 到临时文件并将其作为图片上传, 但不发送
-     */
-    @Deprecated("已停止支持 Java async API", level = DeprecationLevel.WARNING)
-    @JvmName("uploadImageAsync")
-    fun __uploadImageAsyncForJava__(image: InputStream): Future<Image> {
-        return future { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中读取 [Input] 到临时文件并将其作为图片上传, 但不发送
-     */
-    @Suppress("DEPRECATION_ERROR")
-    @Deprecated(
-        "已弃用对 kotlinx.io 的支持",
-        level = DeprecationLevel.ERROR
-    )
-    @JvmName("uploadImageAsync")
-    fun __uploadImageAsyncForJava__(image: Input): Future<Image> {
-        return future { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中将文件作为图片上传, 但不发送
-     */
-    @JvmName("uploadImageAsync")
-    @Deprecated("已停止支持 Java async API", level = DeprecationLevel.WARNING)
-    fun __uploadImageAsyncForJava__(image: File): Future<Image> {
-        return future { uploadImage(image) }
-    }
-
-    /**
-     * 在 [Dispatchers.IO] 中将图片上传, 但不发送. 不会保存临时文件
-     */
-    @JvmName("uploadImageAsync")
-    @Deprecated("已停止支持 Java async API", level = DeprecationLevel.WARNING)
-    fun __uploadImageAsyncForJava__(image: BufferedImage): Future<Image> {
-        return future { uploadImage(image) }
-    }
-}
-
-@JavaFriendlyAPI
-private inline fun <R> ContactJavaFriendlyAPI.runBlocking(crossinline block: suspend Contact.() -> R): R {
-    @Suppress("CAST_NEVER_SUCCEEDS")
-    return kotlinx.coroutines.runBlocking { block(this@runBlocking as Contact) }
-}
-
-@JavaFriendlyAPI
-private inline fun <R> ContactJavaFriendlyAPI.future(crossinline block: suspend Contact.() -> R): Future<R> {
-    @Suppress("CAST_NEVER_SUCCEEDS")
-    return (this as Contact).run { future { block() } }
-}
-
-@Suppress("INAPPLICABLE_JVM_NAME", "FunctionName", "unused", "unused", "DEPRECATION_ERROR")
-@JavaFriendlyAPI
-internal actual interface MemberJavaFriendlyAPI {
-
-
-    /**
-     * 禁言.
-     *
-     * QQ 中最小操作和显示的时间都是一分钟.
-     * 机器人可以实现精确到秒, 会被客户端显示为 1 分钟但不影响实际禁言时间.
-     *
-     * 管理员可禁言成员, 群主可禁言管理员和群员.
-     *
-     * @param seconds 持续时间. 精确到秒. 范围区间表示为 `(0s, 30days]`. 超过范围则会抛出异常.
-     * @return 机器人无权限时返回 `false`
-     *
-     * @see Int.minutesToSeconds
-     * @see Int.hoursToSeconds
-     * @see Int.daysToSeconds
-     *
-     * @see MemberMuteEvent 成员被禁言事件
-     * @throws PermissionDeniedException 无权限修改时
-     */
-    @JvmName("mute")
-    fun __muteBlockingForJava__(seconds: Int) {
-        runBlocking { mute(seconds) }
-    }
-
-    /**
-     * 解除禁言.
-     *
-     * 管理员可解除成员的禁言, 群主可解除管理员和群员的禁言.
-     *
-     * @see MemberUnmuteEvent 成员被取消禁言事件.
-     * @throws PermissionDeniedException 无权限修改时
-     */
-    @JvmName("unmute")
-    fun __unmuteBlockingForJava__() {
-        runBlocking { unmute() }
-    }
-
-    /**
-     * 踢出该成员.
-     *
-     * 管理员可踢出成员, 群主可踢出管理员和群员.
-     *
-     * @see MemberLeaveEvent.Kick 成员被踢出事件.
-     * @throws PermissionDeniedException 无权限修改时
-     */
-    @JvmName("kick")
-    fun __kickBlockingForJava__(message: String = "") {
-        runBlocking { kick(message) }
-    }
-
-    /**
-     * 踢出该成员.
-     *
-     * 管理员可踢出成员, 群主可踢出管理员和群员.
-     *
-     * @see MemberLeaveEvent.Kick 成员被踢出事件.
-     * @throws PermissionDeniedException 无权限修改时
-     */
-    @JvmName("kick")
-    fun __kickBlockingForJava__() = __kickBlockingForJava__("")
-
-
-    /**
-     * 禁言.
-     *
-     * QQ 中最小操作和显示的时间都是一分钟.
-     * 机器人可以实现精确到秒, 会被客户端显示为 1 分钟但不影响实际禁言时间.
-     *
-     * 管理员可禁言成员, 群主可禁言管理员和群员.
-     *
-     * @param seconds 持续时间. 精确到秒. 范围区间表示为 `(0s, 30days]`. 超过范围则会抛出异常.
-     * @return 机器人无权限时返回 `false`
-     *
-     * @see Int.minutesToSeconds
-     * @see Int.hoursToSeconds
-     * @see Int.daysToSeconds
-     *
-     * @see MemberMuteEvent 成员被禁言事件
-     * @throws PermissionDeniedException 无权限修改时
-     */
-    @JvmName("muteAsync")
-    fun __muteAsyncForJava__(seconds: Int): Future<Unit> {
-        return future { mute(seconds) }
-    }
-
-    /**
-     * 解除禁言.
-     *
-     * 管理员可解除成员的禁言, 群主可解除管理员和群员的禁言.
-     *
-     * @see MemberUnmuteEvent 成员被取消禁言事件.
-     * @throws PermissionDeniedException 无权限修改时
-     */
-    @JvmName("unmuteAsync")
-    fun __unmuteAsyncForJava__(): Future<Unit> {
-        return future { unmute() }
-    }
-
-    /**
-     * 踢出该成员.
-     *
-     * 管理员可踢出成员, 群主可踢出管理员和群员.
-     *
-     * @see MemberLeaveEvent.Kick 成员被踢出事件.
-     * @throws PermissionDeniedException 无权限修改时
-     */
-    @JvmName("kickAsync")
-    fun __kickAsyncForJava__(message: String = ""): Future<Unit> {
-        return future { kick(message) }
-    }
-
-    /**
-     * 踢出该成员.
-     *
-     * 管理员可踢出成员, 群主可踢出管理员和群员.
-     *
-     * @see MemberLeaveEvent.Kick 成员被踢出事件.
-     * @throws PermissionDeniedException 无权限修改时
-     */
-    @JvmName("kickAsync")
-    fun __kickAsyncForJava__(): Future<Unit> = __kickAsyncForJava__("")
-}
-
-@JavaFriendlyAPI
-private inline fun <R> MemberJavaFriendlyAPI.future(crossinline block: suspend Member.() -> R): Future<R> {
-    @Suppress("CAST_NEVER_SUCCEEDS")
-    return (this as Member).run { future { block() } }
-}
-
-@JavaFriendlyAPI
-private inline fun <R> MemberJavaFriendlyAPI.runBlocking(crossinline block: suspend Member.() -> R): R {
-    @Suppress("CAST_NEVER_SUCCEEDS")
-    return kotlinx.coroutines.runBlocking { block(this@runBlocking as Member) }
-}
\ No newline at end of file
diff --git a/mirai-core-api/src/jvmMain/kotlin/event/JvmMethodListeners.kt b/mirai-core-api/src/jvmMain/kotlin/event/JvmMethodListeners.kt
index 6e2f89f8f..71cbf599a 100644
--- a/mirai-core-api/src/jvmMain/kotlin/event/JvmMethodListeners.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/event/JvmMethodListeners.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/jvmMain/kotlin/event/internal/EventInternalJvm.kt b/mirai-core-api/src/jvmMain/kotlin/event/internal/EventInternalJvm.kt
index a3a5438e9..6ca7e8b57 100644
--- a/mirai-core-api/src/jvmMain/kotlin/event/internal/EventInternalJvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/event/internal/EventInternalJvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused")
diff --git a/mirai-core-api/src/jvmMain/kotlin/event/internal/GlobalEventListeners.kt b/mirai-core-api/src/jvmMain/kotlin/event/internal/GlobalEventListeners.kt
index 87d3c1bdf..295b9c130 100644
--- a/mirai-core-api/src/jvmMain/kotlin/event/internal/GlobalEventListeners.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/event/internal/GlobalEventListeners.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.event.internal
diff --git a/mirai-core-api/src/jvmMain/kotlin/event/internal/MiraiAtomicBoolean.kt b/mirai-core-api/src/jvmMain/kotlin/event/internal/MiraiAtomicBoolean.kt
index d48b715e9..6244a19ab 100644
--- a/mirai-core-api/src/jvmMain/kotlin/event/internal/MiraiAtomicBoolean.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/event/internal/MiraiAtomicBoolean.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.event.internal
diff --git a/mirai-core-api/src/jvmMain/kotlin/findMiraiInstance.kt b/mirai-core-api/src/jvmMain/kotlin/findMiraiInstance.kt
new file mode 100644
index 000000000..47f9983b4
--- /dev/null
+++ b/mirai-core-api/src/jvmMain/kotlin/findMiraiInstance.kt
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+package net.mamoe.mirai
+
+import java.util.*
+
+internal actual fun findMiraiInstance(): Mirai {
+    return ServiceLoader.load(Mirai::class.java).findFirst() as Mirai?
+        ?: Class.forName("net.mamoe.mirai.internal.MiraiImpl").kotlin.objectInstance as Mirai
+}
\ No newline at end of file
diff --git a/mirai-core-api/src/jvmMain/kotlin/message/MessageEventPlatform.kt b/mirai-core-api/src/jvmMain/kotlin/message/MessageEventPlatform.kt
index 718e07c9c..121c5a103 100644
--- a/mirai-core-api/src/jvmMain/kotlin/message/MessageEventPlatform.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/message/MessageEventPlatform.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused")
diff --git a/mirai-core-api/src/jvmMain/kotlin/message/SendImageUtilsJvm.kt b/mirai-core-api/src/jvmMain/kotlin/message/SendImageUtilsJvm.kt
index 24ccf0a11..ee66b75b9 100644
--- a/mirai-core-api/src/jvmMain/kotlin/message/SendImageUtilsJvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/message/SendImageUtilsJvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 /**
@@ -96,7 +96,7 @@ public suspend fun File.uploadAsImage(contact: Contact): Image {
  * @throws OverFileSizeMaxException
  */
 @Throws(OverFileSizeMaxException::class)
-@MiraiExperimentalAPI("语音支持处于实验性阶段")
+@MiraiExperimentalApi("语音支持处于实验性阶段")
 @SinceMirai("1.2.0")
 public suspend fun InputStream.uploadAsGroupVoice(group: Group): Voice {
     return group.uploadVoice(this)
diff --git a/mirai-core-api/src/jvmMain/kotlin/message/data/Image.kt b/mirai-core-api/src/jvmMain/kotlin/message/data/Image.kt
index 4e61931a3..fbd27c3de 100644
--- a/mirai-core-api/src/jvmMain/kotlin/message/data/Image.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/message/data/Image.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
@@ -83,14 +83,4 @@ public actual interface Image : Message, MessageContent, CodableMessage {
      * @see Image 使用 id 构造图片
      */
     public actual val imageId: String
-
-
-    @Deprecated(
-        """
-        不要自行实现 OnlineGroupImage, 它必须由协议模块实现, 否则会无法发送也无法解析.
-    """, level = DeprecationLevel.HIDDEN
-    )
-    @Suppress("WRONG_MODIFIER_CONTAINING_DECLARATION", "PropertyName", "unused")
-    @get:JvmSynthetic
-    internal actual val DoNotImplementThisClass: Nothing?
 }
\ No newline at end of file
diff --git a/mirai-core-api/src/jvmMain/kotlin/message/deprecated.kt b/mirai-core-api/src/jvmMain/kotlin/message/deprecated.kt
index 039c44c16..a8d909f3d 100644
--- a/mirai-core-api/src/jvmMain/kotlin/message/deprecated.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/message/deprecated.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("DEPRECATION", "DEPRECATION_ERROR")
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/BotConfiguration.kt b/mirai-core-api/src/jvmMain/kotlin/utils/BotConfiguration.kt
index 686be7d26..bcf58c31c 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/BotConfiguration.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/BotConfiguration.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("unused", "DEPRECATION_ERROR", "EXPOSED_SUPER_CLASS")
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/Context.kt b/mirai-core-api/src/jvmMain/kotlin/utils/Context.kt
index 0be69b114..a79bd379a 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/Context.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/Context.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/DeviceInfoUtils.kt b/mirai-core-api/src/jvmMain/kotlin/utils/DeviceInfoUtils.kt
index eb5fd98e3..bdc2a166b 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/DeviceInfoUtils.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/DeviceInfoUtils.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/ExternalImageJvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/ExternalImageJvm.kt
index 387cf7aea..3c048cad7 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/ExternalImageJvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/ExternalImageJvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "unused")
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/FileCacheStrategy.jvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/FileCacheStrategy.jvm.kt
index 5004da957..f24984f39 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/FileCacheStrategy.jvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/FileCacheStrategy.jvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("MemberVisibilityCanBePrivate")
@@ -29,13 +29,13 @@ import javax.imageio.ImageIO
  *
  * @see BotConfiguration.fileCacheStrategy 为 [Bot] 指定缓存策略
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public actual interface FileCacheStrategy {
     /**
      * 将 [input] 缓存为 [ExternalImage].
      * 此函数应 close 这个 [Input]
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @Throws(IOException::class)
     public actual fun newImageCache(input: Input): ExternalImage
 
@@ -43,7 +43,7 @@ public actual interface FileCacheStrategy {
      * 将 [input] 缓存为 [ExternalImage].
      * 此函数应 close 这个 [InputStream]
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @Throws(IOException::class)
     public fun newImageCache(input: InputStream): ExternalImage
 
@@ -51,7 +51,7 @@ public actual interface FileCacheStrategy {
      * 将 [input] 缓存为 [ExternalImage].
      * 此 [input] 的内容应是不变的.
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @Throws(IOException::class)
     public actual fun newImageCache(input: ByteArray): ExternalImage
 
@@ -59,53 +59,53 @@ public actual interface FileCacheStrategy {
      * 将 [input] 缓存为 [ExternalImage].
      * 此 [input] 的内容应是不变的.
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @Throws(IOException::class)
     public fun newImageCache(input: BufferedImage, format: String = "png"): ExternalImage
 
     /**
      * 将 [input] 缓存为 [ExternalImage].
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @Throws(IOException::class)
     public fun newImageCache(input: URL): ExternalImage
 
     /**
      * 默认的缓存方案, 使用系统临时文件夹存储.
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public actual object PlatformDefault : FileCacheStrategy by TempCache(null)
 
     /**
      * 使用内存直接存储所有图片文件.
      */
     public actual object MemoryCache : FileCacheStrategy {
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @Throws(IOException::class)
         actual override fun newImageCache(input: Input): ExternalImage {
             return newImageCache(input.readBytes())
         }
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @Throws(IOException::class)
         override fun newImageCache(input: InputStream): ExternalImage {
             return newImageCache(input.readBytes())
         }
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @Throws(IOException::class)
         actual override fun newImageCache(input: ByteArray): ExternalImage {
             return ExternalImage(input.asReusableInput())
         }
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         override fun newImageCache(input: BufferedImage, format: String): ExternalImage {
             val out = ByteArrayOutputStream()
             ImageIO.write(input, format, out)
             return newImageCache(out.toByteArray())
         }
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         override fun newImageCache(input: URL): ExternalImage {
             val out = ByteArrayOutputStream()
             input.openConnection().getInputStream().use { it.copyTo(out) }
@@ -116,14 +116,14 @@ public actual interface FileCacheStrategy {
     /**
      * 使用系统临时文件夹缓存图片文件. 在图片使用完毕后删除临时文件.
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     public class TempCache @JvmOverloads constructor(
         /**
          * 缓存图片存放位置. 为 `null` 时使用主机系统的临时文件夹
          */
         public val directory: File? = null
     ) : FileCacheStrategy {
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @Throws(IOException::class)
         override fun newImageCache(input: Input): ExternalImage {
             return ExternalImage(createTempFile(directory = directory).apply {
@@ -132,7 +132,7 @@ public actual interface FileCacheStrategy {
             }.asReusableInput(true))
         }
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @Throws(IOException::class)
         override fun newImageCache(input: InputStream): ExternalImage {
             return ExternalImage(createTempFile(directory = directory).apply {
@@ -141,13 +141,13 @@ public actual interface FileCacheStrategy {
             }.asReusableInput(true))
         }
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         @Throws(IOException::class)
         override fun newImageCache(input: ByteArray): ExternalImage {
             return ExternalImage(input.asReusableInput())
         }
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         override fun newImageCache(input: BufferedImage, format: String): ExternalImage {
             val file = createTempFile(directory = directory).apply { deleteOnExit() }
 
@@ -177,7 +177,7 @@ public actual interface FileCacheStrategy {
             return ExternalImage(file.asReusableInput(true, digest.digest()))
         }
 
-        @MiraiExperimentalAPI
+        @MiraiExperimentalApi
         override fun newImageCache(input: URL): ExternalImage {
             return ExternalImage(createTempFile(directory = directory).apply {
                 deleteOnExit()
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/FileLogger.kt b/mirai-core-api/src/jvmMain/kotlin/utils/FileLogger.kt
index 83a5cf6c4..322ebcb3d 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/FileLogger.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/FileLogger.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/HyperLinkLabel.kt b/mirai-core-api/src/jvmMain/kotlin/utils/HyperLinkLabel.kt
index ba0bbd1ee..64b07f3c0 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/HyperLinkLabel.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/HyperLinkLabel.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/LoggerAdapters.kt b/mirai-core-api/src/jvmMain/kotlin/utils/LoggerAdapters.kt
index b35382c1b..3f5e388e4 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/LoggerAdapters.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/LoggerAdapters.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/LoginSolver.jvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/LoginSolver.jvm.kt
index afdff098a..4800e0431 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/LoginSolver.jvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/LoginSolver.jvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
@@ -33,7 +33,7 @@ import kotlin.coroutines.CoroutineContext
 /**
  * 自动选择 [SwingSolver] 或 [StandardCharImageLoginSolver]
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public class DefaultLoginSolver(
     public val input: suspend () -> String,
     public val overrideLogger: MiraiLogger? = null
@@ -64,7 +64,7 @@ public class DefaultLoginSolver(
 /**
  * 使用字符图片展示验证码, 使用 [input] 获取输入, 使用 [overrideLogger] 输出
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public class StandardCharImageLoginSolver(
     input: suspend () -> String,
     /**
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/LoginSolver.swing.jvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/LoginSolver.swing.jvm.kt
index 3972579da..9cfd3dd55 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/LoginSolver.swing.jvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/LoginSolver.swing.jvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
@@ -19,7 +19,7 @@ import javax.swing.JLabel
 /**
  * @author Karlatemp <karlatemp@vip.qq.com> <https://github.com/Karlatemp>
  */
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 public object SwingSolver : LoginSolver() {
     public override suspend fun onSolvePicCaptcha(bot: Bot, data: ByteArray): String? {
         return openWindow("Mirai PicCaptcha(${bot.id})") {
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/OverFileSizeMaxException.kt b/mirai-core-api/src/jvmMain/kotlin/utils/OverFileSizeMaxException.kt
index 8dad5642c..ec4ee5df2 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/OverFileSizeMaxException.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/OverFileSizeMaxException.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/PlatformLogger.jvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/PlatformLogger.jvm.kt
index a8f9a782f..73c195c10 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/PlatformLogger.jvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/PlatformLogger.jvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmName("Utils")
@@ -112,7 +112,7 @@ public actual open class PlatformLogger @JvmOverloads constructor(
 
     private val currentTimeFormatted get() = timeFormat.format(Date())
 
-    @MiraiExperimentalAPI("This is subject to change.")
+    @MiraiExperimentalApi("This is subject to change.")
     @SinceMirai("1.1.0")
     protected enum class Color(private val format: String) {
         RESET("\u001b[0m"),
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/PlatformUtilsJvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/PlatformUtilsJvm.kt
index 9b74c65d6..2ab9a6f58 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/PlatformUtilsJvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/PlatformUtilsJvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/WeakRef.jvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/WeakRef.jvm.kt
index 5182ad485..557b0bf8d 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/WeakRef.jvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/WeakRef.jvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/WindowHelperJvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/WindowHelperJvm.kt
index 950671986..6b0a6bb01 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/WindowHelperJvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/WindowHelperJvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/internal/DeferredReusableInput.jvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/internal/DeferredReusableInput.jvm.kt
index acc4bea23..b2f401d01 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/internal/DeferredReusableInput.jvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/internal/DeferredReusableInput.jvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/internal/asReusableInput.jvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/internal/asReusableInput.jvm.kt
index 91684ea6d..6daac0cd7 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/internal/asReusableInput.jvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/internal/asReusableInput.jvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/JdkLogger.kt b/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/JdkLogger.kt
index 69f1f8869..1365cbc1c 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/JdkLogger.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/JdkLogger.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal.logging
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/Log4jLogger.kt b/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/Log4jLogger.kt
index 668926445..5a825b46c 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/Log4jLogger.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/Log4jLogger.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal.logging
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/Slf4jLogger.kt b/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/Slf4jLogger.kt
index 2a3bcea7a..bdd97bbae 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/Slf4jLogger.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/internal/logging/Slf4jLogger.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal.logging
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/internal/md5.jvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/internal/md5.jvm.kt
index 0347563db..902a98d05 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/internal/md5.jvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/internal/md5.jvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "unused")
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/internal/runBlocking.kt b/mirai-core-api/src/jvmMain/kotlin/utils/internal/runBlocking.kt
index c51b9b0ae..8d63864f7 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/internal/runBlocking.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/internal/runBlocking.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.utils.internal
diff --git a/mirai-core-api/src/jvmTest/java/net/mamoe/mirai/event/JvmMethodEventsTestJava.java b/mirai-core-api/src/jvmTest/java/net/mamoe/mirai/event/JvmMethodEventsTestJava.java
index 3cd8058fa..b97fc8a9d 100644
--- a/mirai-core-api/src/jvmTest/java/net/mamoe/mirai/event/JvmMethodEventsTestJava.java
+++ b/mirai-core-api/src/jvmTest/java/net/mamoe/mirai/event/JvmMethodEventsTestJava.java
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.event;
diff --git a/mirai-core-api/src/jvmTest/kotlin/event/CancelScopeTest.kt b/mirai-core-api/src/jvmTest/kotlin/event/CancelScopeTest.kt
index 05c97841c..1e6c67c2f 100644
--- a/mirai-core-api/src/jvmTest/kotlin/event/CancelScopeTest.kt
+++ b/mirai-core-api/src/jvmTest/kotlin/event/CancelScopeTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.event
 
diff --git a/mirai-core-api/src/jvmTest/kotlin/event/EventTests.kt b/mirai-core-api/src/jvmTest/kotlin/event/EventTests.kt
index 5b165f963..4df3252c9 100644
--- a/mirai-core-api/src/jvmTest/kotlin/event/EventTests.kt
+++ b/mirai-core-api/src/jvmTest/kotlin/event/EventTests.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.event
diff --git a/mirai-core-api/src/jvmTest/kotlin/event/JvmMethodEventsTest.kt b/mirai-core-api/src/jvmTest/kotlin/event/JvmMethodEventsTest.kt
index 30a917590..e14070ffd 100644
--- a/mirai-core-api/src/jvmTest/kotlin/event/JvmMethodEventsTest.kt
+++ b/mirai-core-api/src/jvmTest/kotlin/event/JvmMethodEventsTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("RedundantSuspendModifier", "unused", "UNUSED_PARAMETER")
 
diff --git a/mirai-core-api/src/jvmTest/kotlin/message/SubscribingGetTest.kt b/mirai-core-api/src/jvmTest/kotlin/message/SubscribingGetTest.kt
index 4e0f6d676..959c9458f 100644
--- a/mirai-core-api/src/jvmTest/kotlin/message/SubscribingGetTest.kt
+++ b/mirai-core-api/src/jvmTest/kotlin/message/SubscribingGetTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.message
diff --git a/mirai-core-api/src/jvmTest/kotlin/package.kt b/mirai-core-api/src/jvmTest/kotlin/package.kt
index eb9e446d0..5d50126be 100644
--- a/mirai-core-api/src/jvmTest/kotlin/package.kt
+++ b/mirai-core-api/src/jvmTest/kotlin/package.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai
\ No newline at end of file
diff --git a/mirai-core-api/src/jvmTest/kotlin/utils/LockFreeLinkedListTest.kt b/mirai-core-api/src/jvmTest/kotlin/utils/LockFreeLinkedListTest.kt
index c60eea92e..ea1e515ed 100644
--- a/mirai-core-api/src/jvmTest/kotlin/utils/LockFreeLinkedListTest.kt
+++ b/mirai-core-api/src/jvmTest/kotlin/utils/LockFreeLinkedListTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("RemoveRedundantBackticks", "NonAsciiCharacters")
@@ -12,8 +12,6 @@
 package net.mamoe.mirai.utils
 
 import kotlinx.coroutines.*
-import net.mamoe.mirai.utils.LockFreeLinkedList
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
 import net.mamoe.mirai.test.shouldBeEqualTo
 import net.mamoe.mirai.test.shouldBeTrue
 import kotlin.test.Test
@@ -22,7 +20,7 @@ import kotlin.test.assertFalse
 import kotlin.test.assertTrue
 
 @Suppress("UnusedEquals")
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 internal class LockFreeLinkedListTest {
     @Test
     fun addAndGetSingleThreaded() {
@@ -274,7 +272,7 @@ internal class LockFreeLinkedListTest {
 }
 
 @OptIn(ExperimentalCoroutinesApi::class)
-@MiraiExperimentalAPI
+@MiraiExperimentalApi
 internal suspend inline fun <E : LockFreeLinkedList<*>> E.concurrentDo(
     numberOfCoroutines: Int,
     times: Int,
diff --git a/mirai-core-api/src/jvmTest/kotlin/utils/StepUtil.kt b/mirai-core-api/src/jvmTest/kotlin/utils/StepUtil.kt
index d4ee71775..9b7af052b 100644
--- a/mirai-core-api/src/jvmTest/kotlin/utils/StepUtil.kt
+++ b/mirai-core-api/src/jvmTest/kotlin/utils/StepUtil.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 /*
  *
  * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
diff --git a/mirai-core-api/src/main/AndroidManifest.xml b/mirai-core-api/src/main/AndroidManifest.xml
index 544a92e64..decfa82ab 100644
--- a/mirai-core-api/src/main/AndroidManifest.xml
+++ b/mirai-core-api/src/main/AndroidManifest.xml
@@ -1,4 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2019-2020 Mamoe Technologies and contributors.
+  ~
+  ~  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+  ~  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+  ~
+  ~  https://github.com/mamoe/mirai/blob/master/LICENSE
+  -->
+
 <manifest package="net.mamoe.mirai" xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
diff --git a/mirai-core/build.gradle.kts b/mirai-core/build.gradle.kts
index b0e6c91f0..a69216df2 100644
--- a/mirai-core/build.gradle.kts
+++ b/mirai-core/build.gradle.kts
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("UNUSED_VARIABLE")
 
 import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet
diff --git a/mirai-core/src/commonMain/kotlin/BotAccount.kt b/mirai-core/src/commonMain/kotlin/BotAccount.kt
index 9c457ab81..d5361cce3 100644
--- a/mirai-core/src/commonMain/kotlin/BotAccount.kt
+++ b/mirai-core/src/commonMain/kotlin/BotAccount.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("EXPERIMENTAL_API_USAGE", "DEPRECATION_ERROR")
 
@@ -12,14 +12,14 @@ package net.mamoe.mirai.internal
 
 import kotlinx.io.core.toByteArray
 import net.mamoe.mirai.internal.utils.MiraiPlatformUtils
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiExperimentalApi
 import kotlin.jvm.JvmSynthetic
 
 internal data class BotAccount(
     @JvmSynthetic
     internal val id: Long,
     @JvmSynthetic
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     val passwordMd5: ByteArray // md5
 ) {
     constructor(id: Long, passwordPlainText: String) : this(id, MiraiPlatformUtils.md5(passwordPlainText.toByteArray()))
diff --git a/mirai-core/src/commonMain/kotlin/BotFactory.kt b/mirai-core/src/commonMain/kotlin/BotFactory.kt
index 87640c0e3..85b0ff000 100644
--- a/mirai-core/src/commonMain/kotlin/BotFactory.kt
+++ b/mirai-core/src/commonMain/kotlin/BotFactory.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress(
     "FunctionName", "INAPPLICABLE_JVM_NAME", "DEPRECATION_ERROR", "DeprecatedCallableAddReplaceWith",
@@ -15,7 +15,7 @@ package net.mamoe.mirai.internal
 
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.BotFactory
-import net.mamoe.mirai.internal.QQAndroid.Bot
+import net.mamoe.mirai.internal.BotFactoryImpl.Bot
 import net.mamoe.mirai.utils.BotConfiguration
 import net.mamoe.mirai.utils.Context
 import kotlin.jvm.JvmName
@@ -24,7 +24,7 @@ import kotlin.jvm.JvmName
  * QQ for Android
  */
 @Suppress("INAPPLICABLE_JVM_NAME")
-expect object QQAndroid : BotFactory {
+expect object BotFactoryImpl : BotFactory {
 
     /**
      * 使用指定的 [配置][configuration] 构造 [Bot] 实例
diff --git a/mirai-core/src/commonMain/kotlin/BotImpl.kt b/mirai-core/src/commonMain/kotlin/BotImpl.kt
index d00791d40..712042e17 100644
--- a/mirai-core/src/commonMain/kotlin/BotImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/BotImpl.kt
@@ -1,11 +1,12 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
+
 @file:Suppress(
     "EXPERIMENTAL_API_USAGE",
     "DEPRECATION_ERROR",
diff --git a/mirai-core/src/commonMain/kotlin/MiraiImpl.kt b/mirai-core/src/commonMain/kotlin/MiraiImpl.kt
new file mode 100644
index 000000000..c9cd6c37b
--- /dev/null
+++ b/mirai-core/src/commonMain/kotlin/MiraiImpl.kt
@@ -0,0 +1,845 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+package net.mamoe.mirai.internal
+
+import io.ktor.client.request.*
+import io.ktor.client.request.forms.*
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.withContext
+import kotlinx.serialization.json.int
+import kotlinx.serialization.json.jsonObject
+import kotlinx.serialization.json.jsonPrimitive
+import net.mamoe.mirai.*
+import net.mamoe.mirai.contact.*
+import net.mamoe.mirai.data.*
+import net.mamoe.mirai.event.broadcast
+import net.mamoe.mirai.event.events.BotInvitedJoinGroupRequestEvent
+import net.mamoe.mirai.event.events.MemberJoinRequestEvent
+import net.mamoe.mirai.event.events.MessageRecallEvent
+import net.mamoe.mirai.event.events.NewFriendRequestEvent
+import net.mamoe.mirai.internal.contact.FriendImpl
+import net.mamoe.mirai.internal.contact.GroupImpl
+import net.mamoe.mirai.internal.contact.MemberInfoImpl
+import net.mamoe.mirai.internal.contact.checkIsGroupImpl
+import net.mamoe.mirai.internal.message.*
+import net.mamoe.mirai.internal.network.highway.HighwayHelper
+import net.mamoe.mirai.internal.network.protocol.data.proto.ImMsgBody
+import net.mamoe.mirai.internal.network.protocol.data.proto.LongMsg
+import net.mamoe.mirai.internal.network.protocol.packet.chat.*
+import net.mamoe.mirai.internal.network.protocol.packet.chat.voice.PttStore
+import net.mamoe.mirai.internal.network.protocol.packet.list.FriendList
+import net.mamoe.mirai.internal.utils.MiraiPlatformUtils
+import net.mamoe.mirai.internal.utils.encodeToString
+import net.mamoe.mirai.internal.utils.io.serialization.toByteArray
+import net.mamoe.mirai.message.MessageReceipt
+import net.mamoe.mirai.message.action.Nudge
+import net.mamoe.mirai.message.data.*
+import net.mamoe.mirai.utils.BotConfiguration
+import net.mamoe.mirai.utils.MiraiExperimentalApi
+import net.mamoe.mirai.utils.currentTimeSeconds
+import kotlin.jvm.JvmSynthetic
+import kotlin.math.absoluteValue
+import kotlin.random.Random
+
+@OptIn(LowLevelApi::class)
+internal object MiraiImpl : Mirai, LowLevelApiAccessor {
+    override val BotFactory: BotFactory
+        get() = BotFactoryImpl
+
+    @OptIn(LowLevelApi::class)
+    override suspend fun acceptNewFriendRequest(event: NewFriendRequestEvent) {
+        @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+        check(event.responded.compareAndSet(expect = false, update = true)) {
+            "the request $this has already been responded"
+        }
+
+        check(!event.bot.friends.contains(event.fromId)) {
+            "the request $event is outdated: You had already responded it on another device."
+        }
+
+        _lowLevelSolveNewFriendRequestEvent(
+            event.bot,
+            eventId = event.eventId,
+            fromId = event.fromId,
+            fromNick = event.fromNick,
+            accept = true,
+            blackList = false
+        )
+    }
+
+    override suspend fun rejectNewFriendRequest(event: NewFriendRequestEvent, blackList: Boolean) {
+        @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+        check(event.responded.compareAndSet(false, true)) {
+            "the request $event has already been responded"
+        }
+
+        check(!event.bot.friends.contains(event.fromId)) {
+            "the request $event is outdated: You had already responded it on another device."
+        }
+
+        _lowLevelSolveNewFriendRequestEvent(
+            event.bot,
+            eventId = event.eventId,
+            fromId = event.fromId,
+            fromNick = event.fromNick,
+            accept = false,
+            blackList = blackList
+        )
+    }
+
+    override suspend fun acceptMemberJoinRequest(event: MemberJoinRequestEvent) {
+        @Suppress("DuplicatedCode")
+        checkGroupPermission(event.bot, event.group) { event::class.simpleName ?: "<anonymous class>" }
+        @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+        check(event.responded.compareAndSet(expect = false, update = true)) {
+            "the request $this has already been responded"
+        }
+
+        check(!event.group.members.contains(event.fromId)) {
+            "the request $this is outdated: Another operator has already responded it."
+        }
+
+        _lowLevelSolveMemberJoinRequestEvent(
+            bot = event.bot,
+            eventId = event.eventId,
+            fromId = event.fromId,
+            fromNick = event.fromNick,
+            groupId = event.groupId,
+            accept = true,
+            blackList = false
+        )
+    }
+
+    @Suppress("DuplicatedCode")
+    override suspend fun rejectMemberJoinRequest(event: MemberJoinRequestEvent, blackList: Boolean, message: String) {
+        checkGroupPermission(event.bot, event.group) { event::class.simpleName ?: "<anonymous class>" }
+        @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+        check(event.responded.compareAndSet(false, true)) {
+            "the request $this has already been responded"
+        }
+
+        check(!event.group.members.contains(event.fromId)) {
+            "the request $this is outdated: Another operator has already responded it."
+        }
+
+        _lowLevelSolveMemberJoinRequestEvent(
+            bot = event.bot,
+            eventId = event.eventId,
+            fromId = event.fromId,
+            fromNick = event.fromNick,
+            groupId = event.groupId,
+            accept = false,
+            blackList = blackList,
+            message = message
+        )
+    }
+
+    private inline fun checkGroupPermission(eventBot: Bot, eventGroup: Group, eventName: () -> String) {
+        val group = eventBot.getGroupOrNull(eventGroup.id)
+            ?: kotlin.run {
+                error(
+                    "A ${eventName()} is outdated. Group ${eventGroup.id} not found for bot ${eventBot.id}. " +
+                            "This is because bot isn't in the group anymore"
+                )
+
+            }
+
+        group.checkBotPermission(MemberPermission.ADMINISTRATOR)
+    }
+
+    override suspend fun ignoreMemberJoinRequest(event: MemberJoinRequestEvent, blackList: Boolean) {
+        checkGroupPermission(event.bot, event.group) { event::class.simpleName ?: "<anonymous class>" }
+        @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+        check(event.responded.compareAndSet(expect = false, update = true)) {
+            "the request $this has already been responded"
+        }
+
+        _lowLevelSolveMemberJoinRequestEvent(
+            bot = event.bot,
+            eventId = event.eventId,
+            fromId = event.fromId,
+            fromNick = event.fromNick,
+            groupId = event.groupId,
+            accept = null,
+            blackList = blackList
+        )
+    }
+
+    override suspend fun acceptInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent) =
+        solveInvitedJoinGroupRequest(event, accept = true)
+
+    override suspend fun ignoreInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent) =
+        solveInvitedJoinGroupRequest(event, accept = false)
+
+
+    private suspend fun solveInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent, accept: Boolean) {
+        @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+        check(event.responded.compareAndSet(false, true)) {
+            "the request $this has already been responded"
+        }
+
+        check(!event.bot.groups.contains(event.groupId)) {
+            "the request $this is outdated: Bot has been already in the group."
+        }
+
+        _lowLevelSolveBotInvitedJoinGroupRequestEvent(
+            bot = event.bot,
+            eventId = event.eventId,
+            invitorId = event.invitorId,
+            groupId = event.groupId,
+            accept = accept
+        )
+    }
+
+    @LowLevelApi
+    override fun _lowLevelNewFriend(bot: Bot, friendInfo: FriendInfo): Friend {
+        return FriendImpl(
+            bot.asQQAndroidBot(),
+            bot.coroutineContext + SupervisorJob(bot.supervisorJob),
+            friendInfo.uin,
+            friendInfo
+        )
+    }
+
+
+    @OptIn(LowLevelApi::class)
+    override suspend fun _lowLevelQueryGroupList(bot: Bot): Sequence<Long> {
+        bot.asQQAndroidBot()
+        return bot.network.run {
+            FriendList.GetTroopListSimplify(bot.client)
+                .sendAndExpect<FriendList.GetTroopListSimplify.Response>(retry = 2)
+        }.groups.asSequence().map { it.groupUin.shl(32) and it.groupCode }
+    }
+
+    @OptIn(LowLevelApi::class)
+    override suspend fun _lowLevelQueryGroupMemberList(
+        bot: Bot,
+        groupUin: Long,
+        groupCode: Long,
+        ownerId: Long
+    ): Sequence<MemberInfo> =
+        bot.asQQAndroidBot().network.run {
+            var nextUin = 0L
+            var sequence = sequenceOf<MemberInfoImpl>()
+            while (true) {
+                val data = FriendList.GetTroopMemberList(
+                    client = bot.client,
+                    targetGroupUin = groupUin,
+                    targetGroupCode = groupCode,
+                    nextUin = nextUin
+                ).sendAndExpect<FriendList.GetTroopMemberList.Response>(retry = 3)
+                sequence += data.members.asSequence().map { troopMemberInfo ->
+                    MemberInfoImpl(troopMemberInfo, ownerId)
+                }
+                nextUin = data.nextUin
+                if (nextUin == 0L) {
+                    break
+                }
+            }
+            return sequence
+        }
+
+    @Suppress("RemoveExplicitTypeArguments") // false positive
+    override suspend fun recall(bot: Bot, source: MessageSource) = bot.asQQAndroidBot().run {
+        check(source is MessageSourceInternal)
+
+        source.ensureSequenceIdAvailable()
+
+        @Suppress("BooleanLiteralArgument", "INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // false positive
+        check(!source.isRecalledOrPlanned.value && source.isRecalledOrPlanned.compareAndSet(false, true)) {
+            "$source had already been recalled."
+        }
+
+        val response: PbMessageSvc.PbMsgWithDraw.Response = when (source) {
+            is MessageSourceToGroupImpl,
+            is MessageSourceFromGroupImpl
+            -> {
+                val group = when (source) {
+                    is MessageSourceToGroupImpl -> source.target
+                    is MessageSourceFromGroupImpl -> source.group
+                    else -> error("stub")
+                }
+                if (bot.id != source.fromId) {
+                    group.checkBotPermission(MemberPermission.ADMINISTRATOR)
+                }
+                @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+                MessageRecallEvent.GroupRecall(
+                    bot,
+                    source.fromId,
+                    source.id,
+                    source.internalId,
+                    source.time,
+                    null,
+                    group
+                ).broadcast()
+
+                network.run {
+                    PbMessageSvc.PbMsgWithDraw.createForGroupMessage(
+                        bot.asQQAndroidBot().client,
+                        group.id,
+                        source.sequenceId,
+                        source.internalId
+                    ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
+                }
+            }
+            is MessageSourceFromFriendImpl,
+            is MessageSourceToFriendImpl
+            -> network.run {
+                check(source.fromId == bot.id) {
+                    "can only recall a message sent by bot"
+                }
+                PbMessageSvc.PbMsgWithDraw.createForFriendMessage(
+                    bot.client,
+                    source.targetId,
+                    source.sequenceId,
+                    source.internalId,
+                    source.time
+                ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
+            }
+            is MessageSourceFromTempImpl,
+            is MessageSourceToTempImpl
+            -> network.run {
+                check(source.fromId == bot.id) {
+                    "can only recall a message sent by bot"
+                }
+                source as MessageSourceToTempImpl
+                PbMessageSvc.PbMsgWithDraw.createForTempMessage(
+                    bot.client,
+                    (source.target.group as GroupImpl).uin,
+                    source.targetId,
+                    source.sequenceId,
+                    source.internalId,
+                    source.time
+                ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
+            }
+            is OfflineMessageSource -> network.run {
+                when (source.kind) {
+                    OfflineMessageSource.Kind.FRIEND -> {
+                        check(source.fromId == bot.id) {
+                            "can only recall a message sent by bot"
+                        }
+                        PbMessageSvc.PbMsgWithDraw.createForFriendMessage(
+                            bot.client,
+                            source.targetId,
+                            source.sequenceId,
+                            source.internalId,
+                            source.time
+                        ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
+                    }
+                    OfflineMessageSource.Kind.TEMP -> {
+                        check(source.fromId == bot.id) {
+                            "can only recall a message sent by bot"
+                        }
+                        PbMessageSvc.PbMsgWithDraw.createForTempMessage(
+                            bot.client,
+                            source.targetId, // groupUin
+                            source.targetId, // memberUin
+                            source.sequenceId,
+                            source.internalId,
+                            source.time
+                        ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
+                    }
+                    OfflineMessageSource.Kind.GROUP -> {
+                        PbMessageSvc.PbMsgWithDraw.createForGroupMessage(
+                            bot.client,
+                            source.targetId,
+                            source.sequenceId,
+                            source.internalId
+                        ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
+                    }
+                }
+            }
+            else -> error("stub!")
+        }
+
+
+        // 1001: No message meets the requirements (实际上是没权限, 管理员在尝试撤回群主的消息)
+        // 154: timeout
+        // 3: <no message>
+        check(response is PbMessageSvc.PbMsgWithDraw.Response.Success) { "Failed to recall message #${source.id}: $response" }
+    }
+
+    @LowLevelApi
+    @MiraiExperimentalApi
+    override suspend fun _lowLevelGetAnnouncements(
+        bot: Bot,
+        groupId: Long,
+        page: Int,
+        amount: Int
+    ): GroupAnnouncementList = bot.asQQAndroidBot().run {
+        val rep = bot.asQQAndroidBot().network.run {
+            MiraiPlatformUtils.Http.post<String> {
+                url("https://web.qun.qq.com/cgi-bin/announce/list_announce")
+                body = MultiPartFormDataContent(formData {
+                    append("qid", groupId)
+                    append("bkn", bot.bkn)
+                    append("ft", 23)  //好像是一个用来识别应用的参数
+                    append("s", if (page == 1) 0 else -(page * amount + 1))  // 第一页这里的参数应该是-1
+                    append("n", amount)
+                    append("ni", if (page == 1) 1 else 0)
+                    append("format", "json")
+                })
+                headers {
+                    append(
+                        "cookie",
+                        "uin=o${id}; skey=${client.wLoginSigInfo.sKey.data.encodeToString()}; p_uin=o${id};"
+                    )
+                }
+            }
+        }
+//        bot.network.logger.error(rep)
+        return bot.json.decodeFromString(GroupAnnouncementList.serializer(), rep)
+    }
+
+    @LowLevelApi
+    @MiraiExperimentalApi
+    override suspend fun _lowLevelSendAnnouncement(bot: Bot, groupId: Long, announcement: GroupAnnouncement): String =
+        bot.asQQAndroidBot().run {
+            val rep = withContext(network.coroutineContext) {
+                MiraiPlatformUtils.Http.post<String> {
+                    url("https://web.qun.qq.com/cgi-bin/announce/add_qun_notice")
+                    body = MultiPartFormDataContent(formData {
+                        append("qid", groupId)
+                        append("bkn", bkn)
+                        append("text", announcement.msg.text)
+                        append("pinned", announcement.pinned)
+                        append(
+                            "settings",
+                            json.encodeToString(
+                                GroupAnnouncementSettings.serializer(),
+                                announcement.settings ?: GroupAnnouncementSettings()
+                            )
+                        )
+                        append("format", "json")
+                    })
+                    headers {
+                        append(
+                            "cookie",
+                            "uin=o${id};" +
+                                    " skey=${client.wLoginSigInfo.sKey.data.encodeToString()};" +
+                                    " p_uin=o${id};" +
+                                    " p_skey=${client.wLoginSigInfo.psKeyMap["qun.qq.com"]?.data?.encodeToString()}; "
+                        )
+                    }
+                }
+            }
+            val jsonObj = json.parseToJsonElement(rep)
+            return jsonObj.jsonObject["new_fid"]?.jsonPrimitive?.content
+                ?: throw throw IllegalStateException("Send Announcement fail group:$groupId msg:${jsonObj.jsonObject["em"]} content:${announcement.msg.text}")
+        }
+
+    @LowLevelApi
+    @MiraiExperimentalApi
+    override suspend fun _lowLevelDeleteAnnouncement(bot: Bot, groupId: Long, fid: String) = bot.asQQAndroidBot().run {
+        val data = withContext(network.coroutineContext) {
+            MiraiPlatformUtils.Http.post<String> {
+                url("https://web.qun.qq.com/cgi-bin/announce/del_feed")
+                body = MultiPartFormDataContent(formData {
+                    append("qid", groupId)
+                    append("bkn", bkn)
+                    append("fid", fid)
+                    append("format", "json")
+                })
+                headers {
+                    append(
+                        "cookie",
+                        "uin=o${id};" +
+                                " skey=${client.wLoginSigInfo.sKey.data.encodeToString()};" +
+                                " p_uin=o${id};" +
+                                " p_skey=${client.wLoginSigInfo.psKeyMap["qun.qq.com"]?.data?.encodeToString()}; "
+                    )
+                }
+            }
+        }
+        val jsonObj = json.parseToJsonElement(data)
+        if (jsonObj.jsonObject["ec"]?.jsonPrimitive?.int ?: 1 != 0) {
+            throw throw IllegalStateException("delete Announcement fail group:$groupId msg:${jsonObj.jsonObject["em"]} fid:$fid")
+        }
+    }
+
+    @LowLevelApi
+    @MiraiExperimentalApi
+    override suspend fun _lowLevelGetAnnouncement(bot: Bot, groupId: Long, fid: String): GroupAnnouncement =
+        bot.asQQAndroidBot().run {
+            val rep = network.run {
+                MiraiPlatformUtils.Http.post<String> {
+                    url("https://web.qun.qq.com/cgi-bin/announce/get_feed")
+                    body = MultiPartFormDataContent(formData {
+                        append("qid", groupId)
+                        append("bkn", bkn)
+                        append("fid", fid)
+                        append("format", "json")
+                    })
+                    headers {
+                        append(
+                            "cookie",
+                            "uin=o${id}; skey=${client.wLoginSigInfo.sKey.data.encodeToString()}; p_uin=o${id};"
+                        )
+                    }
+                }
+            }
+
+//        bot.network.logger.error(rep)
+            return json.decodeFromString(GroupAnnouncement.serializer(), rep)
+
+        }
+
+    @LowLevelApi
+    @MiraiExperimentalApi
+    override suspend fun _lowLevelGetGroupActiveData(bot: Bot, groupId: Long, page: Int): GroupActiveData =
+        bot.asQQAndroidBot().run {
+            val rep = network.run {
+                MiraiPlatformUtils.Http.get<String> {
+                    url("https://qqweb.qq.com/c/activedata/get_mygroup_data")
+                    parameter("bkn", bkn)
+                    parameter("gc", groupId)
+                    if (page != -1) {
+                        parameter("page", page)
+                    }
+                    headers {
+                        append(
+                            "cookie",
+                            "uin=o${id}; skey=${client.wLoginSigInfo.sKey.data.encodeToString()}; p_uin=o${id};"
+                        )
+                    }
+                }
+            }
+            return json.decodeFromString(GroupActiveData.serializer(), rep)
+        }
+
+    @LowLevelApi
+    @MiraiExperimentalApi
+    override suspend fun _lowLevelGetGroupHonorListData(
+        bot: Bot,
+        groupId: Long,
+        type: GroupHonorType
+    ): GroupHonorListData? = bot.asQQAndroidBot().run {
+        val rep = network.run {
+            MiraiPlatformUtils.Http.get<String> {
+                url("https://qun.qq.com/interactive/honorlist")
+                parameter("gc", groupId)
+                parameter("type", type.value)
+                headers {
+                    append(
+                        "cookie",
+                        "uin=o${id};" +
+                                " skey=${client.wLoginSigInfo.sKey.data.encodeToString()};" +
+                                " p_uin=o${id};" +
+                                " p_skey=${client.wLoginSigInfo.psKeyMap["qun.qq.com"]?.data?.encodeToString()}; "
+                    )
+                }
+            }
+        }
+        val jsonText = Regex("""window.__INITIAL_STATE__=(.+?)</script>""").find(rep)?.groupValues?.get(1)
+        return jsonText?.let { json.decodeFromString(GroupHonorListData.serializer(), it) }
+    }
+
+    @JvmSynthetic
+    @LowLevelApi
+    @MiraiExperimentalApi
+    @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+    internal suspend fun lowLevelSendGroupLongOrForwardMessage(
+        bot: Bot,
+        groupCode: Long,
+        message: Collection<ForwardMessage.INode>,
+        isLong: Boolean,
+        forwardMessage: ForwardMessage?
+    ): MessageReceipt<Group> = bot.asQQAndroidBot().run {
+        message.forEach {
+            it.message.ensureSequenceIdAvailable()
+        }
+
+        val group = getGroup(groupCode)
+
+        val time = currentTimeSeconds
+        val sequenceId = client.atomicNextMessageSequenceId()
+
+        network.run {
+            val data = message.calculateValidationDataForGroup(
+                sequenceId = sequenceId,
+                random = Random.nextInt().absoluteValue,
+                groupCode = groupCode
+            )
+
+            val response =
+                MultiMsg.ApplyUp.createForGroupLongMessage(
+                    buType = if (isLong) 1 else 2,
+                    client = bot.client,
+                    messageData = data,
+                    dstUin = Group.calculateGroupUinByGroupCode(groupCode)
+                ).sendAndExpect<MultiMsg.ApplyUp.Response>()
+
+            val resId: String
+            when (response) {
+                is MultiMsg.ApplyUp.Response.MessageTooLarge ->
+                    error(
+                        "Internal error: message is too large, but this should be handled before sending. "
+                    )
+                is MultiMsg.ApplyUp.Response.RequireUpload -> {
+                    resId = response.proto.msgResid
+
+                    val body = LongMsg.ReqBody(
+                        subcmd = 1,
+                        platformType = 9,
+                        termType = 5,
+                        msgUpReq = listOf(
+                            LongMsg.MsgUpReq(
+                                msgType = 3, // group
+                                dstUin = Group.calculateGroupUinByGroupCode(groupCode),
+                                msgId = 0,
+                                msgUkey = response.proto.msgUkey,
+                                needCache = 0,
+                                storeType = 2,
+                                msgContent = data.data
+                            )
+                        )
+                    ).toByteArray(LongMsg.ReqBody.serializer())
+
+                    HighwayHelper.uploadImageToServers(
+                        bot,
+                        response.proto.uint32UpIp.zip(response.proto.uint32UpPort),
+                        response.proto.msgSig,
+                        MiraiPlatformUtils.md5(body),
+                        net.mamoe.mirai.utils.internal.asReusableInput0(body), // don't use toLongUnsigned: Overload resolution ambiguity
+                        "group long message",
+                        27
+                    )
+                }
+            }
+
+            return if (isLong) {
+                group.sendMessage(
+                    RichMessage.longMessage(
+                        brief = message.joinToString(limit = 27) { it.message.contentToString() },
+                        resId = resId,
+                        timeSeconds = time
+                    )
+                )
+            } else {
+                checkNotNull(forwardMessage) { "Internal error: forwardMessage is null when sending forward" }
+                group.sendMessage(
+                    RichMessage.forwardMessage(
+                        resId = resId,
+                        timeSeconds = time,
+                        //  preview = message.take(5).joinToString {
+                        //      """
+                        //          <title size="26" color="#777777" maxLines="2" lineSpace="12">${it.message.asMessageChain().joinToString(limit = 10)}</title>
+                        //      """.trimIndent()
+                        //  },
+                        preview = forwardMessage.displayStrategy.generatePreview(forwardMessage).take(4)
+                            .map {
+                                """<title size="26" color="#777777" maxLines="2" lineSpace="12">$it</title>"""
+                            }.joinToString(""),
+                        title = forwardMessage.displayStrategy.generateTitle(forwardMessage),
+                        brief = forwardMessage.displayStrategy.generateBrief(forwardMessage),
+                        source = forwardMessage.displayStrategy.generateSource(forwardMessage),
+                        summary = forwardMessage.displayStrategy.generateSummary(forwardMessage)
+                    )
+                )
+            }
+        }
+    }
+
+
+    @LowLevelApi
+    @MiraiExperimentalApi
+    override suspend fun _lowLevelSolveNewFriendRequestEvent(
+        bot: Bot,
+        eventId: Long,
+        fromId: Long,
+        fromNick: String,
+        accept: Boolean,
+        blackList: Boolean
+    ): Unit = bot.asQQAndroidBot().run {
+        network.apply {
+            NewContact.SystemMsgNewFriend.Action(
+                bot.client,
+                eventId = eventId,
+                fromId = fromId,
+                accept = accept,
+                blackList = blackList
+            ).sendWithoutExpect()
+            @Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
+            bot.friends.delegate.addLast(_lowLevelNewFriend(bot, object : FriendInfo {
+                override val uin: Long get() = fromId
+                override val nick: String get() = fromNick
+                override val remark: String get() = ""
+            }))
+        }
+    }
+
+    @LowLevelApi
+    @MiraiExperimentalApi
+    override suspend fun _lowLevelSolveBotInvitedJoinGroupRequestEvent(
+        bot: Bot,
+        eventId: Long,
+        invitorId: Long,
+        groupId: Long,
+        accept: Boolean
+    ) = bot.asQQAndroidBot().run {
+        network.run {
+            NewContact.SystemMsgNewGroup.Action(
+                bot.client,
+                eventId = eventId,
+                fromId = invitorId,
+                groupId = groupId,
+                isInvited = true,
+                accept = accept
+            ).sendWithoutExpect()
+        }
+    }
+
+    @LowLevelApi
+    @MiraiExperimentalApi
+    override suspend fun _lowLevelSolveMemberJoinRequestEvent(
+        bot: Bot,
+        eventId: Long,
+        fromId: Long,
+        fromNick: String,
+        groupId: Long,
+        accept: Boolean?,
+        blackList: Boolean,
+        message: String
+    ) = bot.asQQAndroidBot().run {
+        network.run {
+            NewContact.SystemMsgNewGroup.Action(
+                bot.client,
+                eventId = eventId,
+                fromId = fromId,
+                groupId = groupId,
+                isInvited = false,
+                accept = accept,
+                blackList = blackList,
+                message = message
+            ).sendWithoutExpect()
+        }
+
+        if (accept ?: return@run)
+            groups[groupId].apply {
+                @Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
+                members.delegate.addLast(newMember(object : MemberInfo {
+                    override val nameCard: String get() = ""
+                    override val permission: MemberPermission get() = MemberPermission.MEMBER
+                    override val specialTitle: String get() = ""
+                    override val muteTimestamp: Int get() = 0
+                    override val uin: Long get() = fromId
+                    override val nick: String get() = fromNick
+                    override val remark: String
+                        get() = ""
+                }))
+            }
+    }
+
+    @OptIn(ExperimentalStdlibApi::class)
+    @LowLevelApi
+    override suspend fun _lowLevelQueryGroupVoiceDownloadUrl(
+        bot: Bot,
+        md5: ByteArray,
+        groupId: Long,
+        dstUin: Long
+    ): String {
+        bot.asQQAndroidBot().network.run {
+            val response: PttStore.GroupPttDown.Response.DownLoadInfo =
+                PttStore.GroupPttDown(bot.client, groupId, dstUin, md5).sendAndExpect()
+            return "http://${response.strDomain}${response.downPara.encodeToString()}"
+        }
+    }
+
+    @LowLevelApi
+    override suspend fun _lowLevelUploadVoice(bot: Bot, md5: ByteArray, groupId: Long) {
+
+    }
+
+    override fun createImage(imageId: String): Image {
+        return when {
+            imageId matches FRIEND_IMAGE_ID_REGEX_1 -> OfflineFriendImage(imageId)
+            imageId matches FRIEND_IMAGE_ID_REGEX_2 -> OfflineFriendImage(imageId)
+            imageId matches GROUP_IMAGE_ID_REGEX -> OfflineGroupImage(imageId)
+            else ->
+                @Suppress("INVISIBLE_MEMBER")
+                throw IllegalArgumentException("Illegal imageId: $imageId. $ILLEGAL_IMAGE_ID_EXCEPTION_MESSAGE")
+        }
+    }
+
+    @Suppress("DEPRECATION", "OverridingDeprecatedMember")
+    override suspend fun queryImageUrl(bot: Bot, image: Image): String = when (image) {
+        is ConstOriginUrlAware -> image.originUrl
+        is DeferredOriginUrlAware -> image.getUrl(bot)
+        is SuspendDeferredOriginUrlAware -> image.getUrl(bot)
+        else -> error("Internal error: unsupported image class: ${image::class.simpleName}")
+    }
+
+    @Suppress("CANNOT_OVERRIDE_INVISIBLE_MEMBER")
+    override suspend fun sendNudge(bot: Bot, nudge: Nudge, receiver: Contact): Boolean {
+        if (bot.configuration.protocol != BotConfiguration.MiraiProtocol.ANDROID_PHONE) {
+            throw UnsupportedOperationException("nudge is supported only with protocol ANDROID_PHONE")
+        }
+        bot.asQQAndroidBot()
+
+        bot.network.run {
+            return if (receiver is Group) {
+                receiver.checkIsGroupImpl()
+                NudgePacket.troopInvoke(
+                    client = bot.client,
+                    messageReceiverGroupCode = receiver.id,
+                    nudgeTargetId = nudge.target.id,
+                ).sendAndExpect<NudgePacket.Response>().success
+            } else {
+                NudgePacket.friendInvoke(
+                    client = bot.client,
+                    messageReceiverUin = receiver.id,
+                    nudgeTargetId = nudge.target.id,
+                ).sendAndExpect<NudgePacket.Response>().success
+            }
+        }
+    }
+
+    override fun constructMessageSource(
+        bot: Bot,
+        kind: OfflineMessageSource.Kind,
+        fromUin: Long,
+        targetUin: Long,
+        id: Int,
+        time: Int,
+        internalId: Int,
+        originalMessage: MessageChain
+    ): OfflineMessageSource {
+        return object : OfflineMessageSource(), MessageSourceInternal {
+            override val kind: Kind get() = kind
+            override val id: Int get() = id
+            override val bot: Bot get() = bot
+            override val time: Int get() = time
+            override val fromId: Long get() = fromUin
+            override val targetId: Long get() = targetUin
+            override val originalMessage: MessageChain get() = originalMessage
+            override val sequenceId: Int = id
+            override val internalId: Int = internalId
+
+            @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+            override var isRecalledOrPlanned: net.mamoe.mirai.event.internal.MiraiAtomicBoolean =
+                net.mamoe.mirai.event.internal.MiraiAtomicBoolean(false)
+
+            override fun toJceData(): ImMsgBody.SourceMsg {
+                return ImMsgBody.SourceMsg(
+                    origSeqs = listOf(sequenceId),
+                    senderUin = fromUin,
+                    toUin = 0,
+                    flag = 1,
+                    elems = originalMessage.toRichTextElems(forGroup = kind == Kind.GROUP, withGeneralFlags = false),
+                    type = 0,
+                    time = time,
+                    pbReserve = EMPTY_BYTE_ARRAY,
+                    srcMsg = EMPTY_BYTE_ARRAY
+                )
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/mirai-core/src/commonMain/kotlin/QQAndroidBot.common.kt b/mirai-core/src/commonMain/kotlin/QQAndroidBot.common.kt
index 03c7fcc96..cfb3b83a6 100644
--- a/mirai-core/src/commonMain/kotlin/QQAndroidBot.common.kt
+++ b/mirai-core/src/commonMain/kotlin/QQAndroidBot.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("EXPERIMENTAL_API_USAGE", "INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
 
@@ -12,53 +12,23 @@ package net.mamoe.mirai.internal
 
 import io.ktor.client.request.*
 import io.ktor.client.request.forms.*
-import kotlinx.coroutines.CoroutineName
-import kotlinx.coroutines.async
 import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.withContext
-import kotlinx.serialization.json.int
-import kotlinx.serialization.json.jsonObject
-import kotlinx.serialization.json.jsonPrimitive
 import net.mamoe.mirai.Bot
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.*
 import net.mamoe.mirai.data.*
-import net.mamoe.mirai.event.broadcast
-import net.mamoe.mirai.event.events.BotInvitedJoinGroupRequestEvent
-import net.mamoe.mirai.event.events.MemberJoinRequestEvent
-import net.mamoe.mirai.event.events.MessageRecallEvent
-import net.mamoe.mirai.event.events.NewFriendRequestEvent
-import net.mamoe.mirai.event.internal.MiraiAtomicBoolean
-import net.mamoe.mirai.getGroupOrNull
-import net.mamoe.mirai.internal.contact.FriendImpl
-import net.mamoe.mirai.internal.contact.GroupImpl
-import net.mamoe.mirai.internal.contact.MemberInfoImpl
 import net.mamoe.mirai.internal.contact.checkIsGroupImpl
 import net.mamoe.mirai.internal.message.*
 import net.mamoe.mirai.internal.network.QQAndroidBotNetworkHandler
 import net.mamoe.mirai.internal.network.QQAndroidClient
-import net.mamoe.mirai.internal.network.highway.HighwayHelper
-import net.mamoe.mirai.internal.network.protocol.data.jce.StTroopNum
-import net.mamoe.mirai.internal.network.protocol.data.proto.ImMsgBody
-import net.mamoe.mirai.internal.network.protocol.data.proto.LongMsg
 import net.mamoe.mirai.internal.network.protocol.packet.chat.*
-import net.mamoe.mirai.internal.network.protocol.packet.chat.voice.PttStore
-import net.mamoe.mirai.internal.network.protocol.packet.list.FriendList
-import net.mamoe.mirai.internal.utils.MiraiPlatformUtils
-import net.mamoe.mirai.internal.utils.encodeToString
-import net.mamoe.mirai.internal.utils.io.serialization.toByteArray
-import net.mamoe.mirai.message.MessageReceipt
-import net.mamoe.mirai.message.action.Nudge
 import net.mamoe.mirai.message.data.*
 import net.mamoe.mirai.network.LoginFailedException
 import net.mamoe.mirai.utils.*
-import kotlin.collections.asSequence
 import kotlin.contracts.contract
 import kotlin.coroutines.CoroutineContext
 import kotlin.jvm.JvmField
-import kotlin.jvm.JvmSynthetic
-import kotlin.math.absoluteValue
-import kotlin.random.Random
 import net.mamoe.mirai.internal.network.protocol.data.jce.FriendInfo as JceFriendInfo
 
 internal fun Bot.asQQAndroidBot(): QQAndroidBot {
@@ -74,184 +44,7 @@ internal class QQAndroidBot constructor(
     context: Context,
     account: BotAccount,
     configuration: BotConfiguration
-) : QQAndroidBotBase(context, account, configuration) {
-
-    @OptIn(LowLevelAPI::class)
-    override suspend fun acceptNewFriendRequest(event: NewFriendRequestEvent) {
-        check(event.bot === this) {
-            "the request $event is from Bot ${event.bot.id} but you are responding with bot ${this.id}"
-        }
-
-        check(event.responded.compareAndSet(false, true)) {
-            "the request $this has already been responded"
-        }
-
-        check(!friends.contains(event.fromId)) {
-            "the request $event is outdated: You had already responded it on another device."
-        }
-
-        _lowLevelSolveNewFriendRequestEvent(
-            eventId = event.eventId,
-            fromId = event.fromId,
-            fromNick = event.fromNick,
-            accept = true,
-            blackList = false
-        )
-    }
-
-    override suspend fun rejectNewFriendRequest(event: NewFriendRequestEvent, blackList: Boolean) {
-        check(event.bot === this) {
-            "the request $event is from Bot ${event.bot.id} but you are responding with bot ${this.id}"
-        }
-
-        check(event.responded.compareAndSet(false, true)) {
-            "the request $event has already been responded"
-        }
-
-        check(!friends.contains(event.fromId)) {
-            "the request $event is outdated: You had already responded it on another device."
-        }
-
-        _lowLevelSolveNewFriendRequestEvent(
-            eventId = event.eventId,
-            fromId = event.fromId,
-            fromNick = event.fromNick,
-            accept = false,
-            blackList = blackList
-        )
-    }
-
-    @OptIn(LowLevelAPI::class)
-    override suspend fun acceptMemberJoinRequest(event: MemberJoinRequestEvent) {
-        @Suppress("DuplicatedCode")
-        checkGroupPermission(event.bot, event.group) { event::class.simpleName ?: "<anonymous class>" }
-        check(event.responded.compareAndSet(false, true)) {
-            "the request $this has already been responded"
-        }
-
-        check(!event.group.members.contains(event.fromId)) {
-            "the request $this is outdated: Another operator has already responded it."
-        }
-
-        _lowLevelSolveMemberJoinRequestEvent(
-            eventId = event.eventId,
-            fromId = event.fromId,
-            fromNick = event.fromNick,
-            groupId = event.groupId,
-            accept = true,
-            blackList = false
-        )
-    }
-
-    @Suppress("DuplicatedCode")
-    @OptIn(LowLevelAPI::class)
-    override suspend fun rejectMemberJoinRequest(event: MemberJoinRequestEvent, blackList: Boolean) {
-        rejectMemberJoinRequest(event, blackList, "")
-    }
-
-    @Suppress("DuplicatedCode")
-    @OptIn(LowLevelAPI::class)
-    override suspend fun rejectMemberJoinRequest(event: MemberJoinRequestEvent, blackList: Boolean, message: String) {
-        checkGroupPermission(event.bot, event.group) { event::class.simpleName ?: "<anonymous class>" }
-        check(event.responded.compareAndSet(false, true)) {
-            "the request $this has already been responded"
-        }
-
-        check(!event.group.members.contains(event.fromId)) {
-            "the request $this is outdated: Another operator has already responded it."
-        }
-
-        _lowLevelSolveMemberJoinRequestEvent(
-            eventId = event.eventId,
-            fromId = event.fromId,
-            fromNick = event.fromNick,
-            groupId = event.groupId,
-            accept = false,
-            blackList = blackList,
-            message = message
-        )
-    }
-
-    private inline fun checkGroupPermission(eventBot: Bot, eventGroup: Group, eventName: () -> String) {
-        val group = this.getGroupOrNull(eventGroup.id)
-            ?: kotlin.run {
-                if (this == eventBot) {
-                    error(
-                        "A ${eventName()} is outdated. Group ${eventGroup.id} not found for bot ${this.id}. " +
-                                "This is because bot isn't in the group anymore"
-                    )
-                } else {
-                    error("A ${eventName()} is from bot ${eventBot.id}, but you are trying to respond it using bot ${this.id} who isn't a member of the group ${eventGroup.id}")
-                }
-            }
-
-        group.checkBotPermission(MemberPermission.ADMINISTRATOR)
-    }
-
-    override suspend fun ignoreMemberJoinRequest(event: MemberJoinRequestEvent, blackList: Boolean) {
-        checkGroupPermission(event.bot, event.group) { event::class.simpleName ?: "<anonymous class>" }
-        check(event.responded.compareAndSet(false, true)) {
-            "the request $this has already been responded"
-        }
-
-        _lowLevelSolveMemberJoinRequestEvent(
-            eventId = event.eventId,
-            fromId = event.fromId,
-            fromNick = event.fromNick,
-            groupId = event.groupId,
-            accept = null,
-            blackList = blackList
-        )
-    }
-
-    override suspend fun acceptInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent) =
-        solveInvitedJoinGroupRequest(event, accept = true)
-
-    override suspend fun ignoreInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent) =
-        solveInvitedJoinGroupRequest(event, accept = false)
-
-
-    private suspend fun solveInvitedJoinGroupRequest(event: BotInvitedJoinGroupRequestEvent, accept: Boolean) {
-        check(event.responded.compareAndSet(false, true)) {
-            "the request $this has already been responded"
-        }
-
-        check(!groups.contains(event.groupId)) {
-            "the request $this is outdated: Bot has been already in the group."
-        }
-
-        _lowLevelSolveBotInvitedJoinGroupRequestEvent(
-            eventId = event.eventId,
-            invitorId = event.invitorId,
-            groupId = event.groupId,
-            accept = accept
-        )
-    }
-
-    @Suppress("CANNOT_OVERRIDE_INVISIBLE_MEMBER")
-    override suspend fun sendNudge(nudge: Nudge, receiver: Contact): Boolean {
-        if (configuration.protocol != BotConfiguration.MiraiProtocol.ANDROID_PHONE) {
-            throw UnsupportedOperationException("nudge is supported only with protocol ANDROID_PHONE")
-        }
-
-        network.run {
-            return if (receiver is Group) {
-                receiver.checkIsGroupImpl()
-                NudgePacket.troopInvoke(
-                    client = client,
-                    messageReceiverGroupCode = receiver.id,
-                    nudgeTargetId = nudge.target.id,
-                ).sendAndExpect<NudgePacket.Response>().success
-            } else {
-                NudgePacket.friendInvoke(
-                    client = client,
-                    messageReceiverUin = receiver.id,
-                    nudgeTargetId = nudge.target.id,
-                ).sendAndExpect<NudgePacket.Response>().success
-            }
-        }
-    }
-}
+) : QQAndroidBotBase(context, account, configuration)
 
 
 internal abstract class QQAndroidBotBase constructor(
@@ -271,7 +64,7 @@ internal abstract class QQAndroidBotBase constructor(
     override val id: Long
         get() = account.id
 
-    private inline val json get() = configuration.json
+    inline val json get() = configuration.json
 
     override val friends: ContactList<Friend> = ContactList(LockFreeLinkedList())
 
@@ -285,9 +78,9 @@ internal abstract class QQAndroidBotBase constructor(
             nick = it.nick
         }
 
-    override val selfQQ: Friend by lazy {
-        @OptIn(LowLevelAPI::class)
-        _lowLevelNewFriend(object : FriendInfo {
+    override val asFriend: Friend by lazy {
+        @OptIn(LowLevelApi::class)
+        Mirai._lowLevelNewFriend(this, object : FriendInfo {
             override val uin: Long get() = this@QQAndroidBotBase.id
             override val nick: String get() = this@QQAndroidBotBase.nick
             override val remark: String get() = ""
@@ -305,16 +98,6 @@ internal abstract class QQAndroidBotBase constructor(
         }
     }
 
-    @LowLevelAPI
-    override fun _lowLevelNewFriend(friendInfo: FriendInfo): Friend {
-        return FriendImpl(
-            this as QQAndroidBot,
-            coroutineContext + CoroutineName("Friend(${friendInfo.uin}"),
-            friendInfo.uin,
-            friendInfo
-        )
-    }
-
     override fun createNetworkHandler(coroutineContext: CoroutineContext): QQAndroidBotNetworkHandler {
         return QQAndroidBotNetworkHandler(coroutineContext, this as QQAndroidBot)
     }
@@ -334,601 +117,10 @@ internal abstract class QQAndroidBotBase constructor(
         return groups.firstOrNull { it.checkIsGroupImpl(); it.uin == uin }
     }
 
-    @OptIn(LowLevelAPI::class)
-    override suspend fun _lowLevelQueryGroupList(): Sequence<Long> {
-        return network.run {
-            FriendList.GetTroopListSimplify(bot.client)
-                .sendAndExpect<FriendList.GetTroopListSimplify.Response>(retry = 2)
-        }.groups.asSequence().map { it.groupUin.shl(32) and it.groupCode }
-    }
-
-    @Suppress(
-        "DeprecatedCallableAddReplaceWith",
-        "FunctionName",
-        "RedundantSuspendModifier",
-        "unused",
-        "unused_parameter"
-    )
-    @Deprecated("")
-    @OptIn(LowLevelAPI::class)
-    suspend fun _lowLevelQueryGroupInfo(groupCode: Long, stTroopNum: StTroopNum): GroupInfo = network.run {
-        error("This should not be invoked")
-        /*
-        TroopManagement.GetGroupInfo(
-            client = bot.client,
-            groupCode = groupCode
-        ).sendAndExpect<GroupInfoImpl>(retry = 3).also { it.stTroopNum = stTroopNum }*/
-    }
-
-    @OptIn(LowLevelAPI::class)
-    override suspend fun _lowLevelQueryGroupMemberList(
-        groupUin: Long,
-        groupCode: Long,
-        ownerId: Long
-    ): Sequence<MemberInfo> =
-        network.run {
-            var nextUin = 0L
-            var sequence = sequenceOf<MemberInfoImpl>()
-            while (true) {
-                val data = FriendList.GetTroopMemberList(
-                    client = bot.client,
-                    targetGroupUin = groupUin,
-                    targetGroupCode = groupCode,
-                    nextUin = nextUin
-                ).sendAndExpect<FriendList.GetTroopMemberList.Response>(retry = 3)
-                sequence += data.members.asSequence().map { troopMemberInfo ->
-                    MemberInfoImpl(troopMemberInfo, ownerId)
-                }
-                nextUin = data.nextUin
-                if (nextUin == 0L) {
-                    break
-                }
-            }
-            return sequence
-        }
-
-    @Suppress("RemoveExplicitTypeArguments") // false positive
-    override suspend fun recall(source: MessageSource) {
-        check(source is MessageSourceInternal)
-        source.ensureSequenceIdAvailable()
-
-        @Suppress("BooleanLiteralArgument") // false positive
-        check(!source.isRecalledOrPlanned.value && source.isRecalledOrPlanned.compareAndSet(false, true)) {
-            "$source had already been recalled."
-        }
-
-        val response: PbMessageSvc.PbMsgWithDraw.Response = when (source) {
-            is MessageSourceToGroupImpl,
-            is MessageSourceFromGroupImpl
-            -> {
-                val group = when (source) {
-                    is MessageSourceToGroupImpl -> source.target
-                    is MessageSourceFromGroupImpl -> source.group
-                    else -> error("stub")
-                }
-                if (this.id != source.fromId) {
-                    group.checkBotPermission(MemberPermission.ADMINISTRATOR)
-                }
-                MessageRecallEvent.GroupRecall(
-                    this,
-                    source.fromId,
-                    source.id,
-                    source.internalId,
-                    source.time,
-                    null,
-                    group
-                ).broadcast()
-
-                network.run {
-                    PbMessageSvc.PbMsgWithDraw.createForGroupMessage(
-                        bot.asQQAndroidBot().client,
-                        group.id,
-                        source.sequenceId,
-                        source.internalId
-                    ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
-                }
-            }
-            is MessageSourceFromFriendImpl,
-            is MessageSourceToFriendImpl
-            -> network.run {
-                check(source.fromId == this@QQAndroidBotBase.id) {
-                    "can only recall a message sent by bot"
-                }
-                PbMessageSvc.PbMsgWithDraw.createForFriendMessage(
-                    bot.client,
-                    source.targetId,
-                    source.sequenceId,
-                    source.internalId,
-                    source.time
-                ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
-            }
-            is MessageSourceFromTempImpl,
-            is MessageSourceToTempImpl
-            -> network.run {
-                check(source.fromId == this@QQAndroidBotBase.id) {
-                    "can only recall a message sent by bot"
-                }
-                source as MessageSourceToTempImpl
-                PbMessageSvc.PbMsgWithDraw.createForTempMessage(
-                    bot.client,
-                    (source.target.group as GroupImpl).uin,
-                    source.targetId,
-                    source.sequenceId,
-                    source.internalId,
-                    source.time
-                ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
-            }
-            is OfflineMessageSource -> network.run {
-                when (source.kind) {
-                    OfflineMessageSource.Kind.FRIEND -> {
-                        check(source.fromId == this@QQAndroidBotBase.id) {
-                            "can only recall a message sent by bot"
-                        }
-                        PbMessageSvc.PbMsgWithDraw.createForFriendMessage(
-                            bot.client,
-                            source.targetId,
-                            source.sequenceId,
-                            source.internalId,
-                            source.time
-                        ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
-                    }
-                    OfflineMessageSource.Kind.TEMP -> {
-                        check(source.fromId == this@QQAndroidBotBase.id) {
-                            "can only recall a message sent by bot"
-                        }
-                        PbMessageSvc.PbMsgWithDraw.createForTempMessage(
-                            bot.client,
-                            source.targetId, // groupUin
-                            source.targetId, // memberUin
-                            source.sequenceId,
-                            source.internalId,
-                            source.time
-                        ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
-                    }
-                    OfflineMessageSource.Kind.GROUP -> {
-                        PbMessageSvc.PbMsgWithDraw.createForGroupMessage(
-                            bot.client,
-                            source.targetId,
-                            source.sequenceId,
-                            source.internalId
-                        ).sendAndExpect<PbMessageSvc.PbMsgWithDraw.Response>()
-                    }
-                }
-            }
-            else -> error("stub!")
-        }
-
-
-        // 1001: No message meets the requirements (实际上是没权限, 管理员在尝试撤回群主的消息)
-        // 154: timeout
-        // 3: <no message>
-        check(response is PbMessageSvc.PbMsgWithDraw.Response.Success) { "Failed to recall message #${source.id}: $response" }
-    }
-
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    override suspend fun _lowLevelGetAnnouncements(groupId: Long, page: Int, amount: Int): GroupAnnouncementList {
-        val data = network.async {
-            MiraiPlatformUtils.Http.post<String> {
-                url("https://web.qun.qq.com/cgi-bin/announce/list_announce")
-                body = MultiPartFormDataContent(formData {
-                    append("qid", groupId)
-                    append("bkn", bkn)
-                    append("ft", 23)  //好像是一个用来识别应用的参数
-                    append("s", if (page == 1) 0 else -(page * amount + 1))  // 第一页这里的参数应该是-1
-                    append("n", amount)
-                    append("ni", if (page == 1) 1 else 0)
-                    append("format", "json")
-                })
-                headers {
-                    append(
-                        "cookie",
-                        "uin=o${id}; skey=${client.wLoginSigInfo.sKey.data.encodeToString()}; p_uin=o${id};"
-                    )
-                }
-            }
-        }
-
-        val rep = data.await()
-//        bot.network.logger.error(rep)
-        return json.decodeFromString(GroupAnnouncementList.serializer(), rep)
-    }
-
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    override suspend fun _lowLevelSendAnnouncement(groupId: Long, announcement: GroupAnnouncement): String {
-        val rep = withContext(network.coroutineContext) {
-            MiraiPlatformUtils.Http.post<String> {
-                url("https://web.qun.qq.com/cgi-bin/announce/add_qun_notice")
-                body = MultiPartFormDataContent(formData {
-                    append("qid", groupId)
-                    append("bkn", bkn)
-                    append("text", announcement.msg.text)
-                    append("pinned", announcement.pinned)
-                    append(
-                        "settings",
-                        json.encodeToString(
-                            GroupAnnouncementSettings.serializer(),
-                            announcement.settings ?: GroupAnnouncementSettings()
-                        )
-                    )
-                    append("format", "json")
-                })
-                headers {
-                    append(
-                        "cookie",
-                        "uin=o${id};" +
-                                " skey=${client.wLoginSigInfo.sKey.data.encodeToString()};" +
-                                " p_uin=o${id};" +
-                                " p_skey=${client.wLoginSigInfo.psKeyMap["qun.qq.com"]?.data?.encodeToString()}; "
-                    )
-                }
-            }
-        }
-        val jsonObj = json.parseToJsonElement(rep)
-        return jsonObj.jsonObject["new_fid"]?.jsonPrimitive?.content
-            ?: throw throw IllegalStateException("Send Announcement fail group:$groupId msg:${jsonObj.jsonObject["em"]} content:${announcement.msg.text}")
-    }
-
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    override suspend fun _lowLevelDeleteAnnouncement(groupId: Long, fid: String) {
-        val data = withContext(network.coroutineContext) {
-            MiraiPlatformUtils.Http.post<String> {
-                url("https://web.qun.qq.com/cgi-bin/announce/del_feed")
-                body = MultiPartFormDataContent(formData {
-                    append("qid", groupId)
-                    append("bkn", bkn)
-                    append("fid", fid)
-                    append("format", "json")
-                })
-                headers {
-                    append(
-                        "cookie",
-                        "uin=o${id};" +
-                                " skey=${client.wLoginSigInfo.sKey.data.encodeToString()};" +
-                                " p_uin=o${id};" +
-                                " p_skey=${client.wLoginSigInfo.psKeyMap["qun.qq.com"]?.data?.encodeToString()}; "
-                    )
-                }
-            }
-        }
-        val jsonObj = json.parseToJsonElement(data)
-        if (jsonObj.jsonObject["ec"]?.jsonPrimitive?.int ?: 1 != 0) {
-            throw throw IllegalStateException("delete Announcement fail group:$groupId msg:${jsonObj.jsonObject["em"]} fid:$fid")
-        }
-    }
-
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    override suspend fun _lowLevelGetAnnouncement(groupId: Long, fid: String): GroupAnnouncement {
-        val data = network.async {
-            MiraiPlatformUtils.Http.post<String> {
-                url("https://web.qun.qq.com/cgi-bin/announce/get_feed")
-                body = MultiPartFormDataContent(formData {
-                    append("qid", groupId)
-                    append("bkn", bkn)
-                    append("fid", fid)
-                    append("format", "json")
-                })
-                headers {
-                    append(
-                        "cookie",
-                        "uin=o${id}; skey=${client.wLoginSigInfo.sKey.data.encodeToString()}; p_uin=o${id};"
-                    )
-                }
-            }
-        }
-
-        val rep = data.await()
-//        bot.network.logger.error(rep)
-        return json.decodeFromString(GroupAnnouncement.serializer(), rep)
-
-    }
-
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    override suspend fun _lowLevelGetGroupActiveData(groupId: Long, page: Int): GroupActiveData {
-        val data = network.async {
-            MiraiPlatformUtils.Http.get<String> {
-                url("https://qqweb.qq.com/c/activedata/get_mygroup_data")
-                parameter("bkn", bkn)
-                parameter("gc", groupId)
-                if (page != -1) {
-                    parameter("page", page)
-                }
-                headers {
-                    append(
-                        "cookie",
-                        "uin=o${id}; skey=${client.wLoginSigInfo.sKey.data.encodeToString()}; p_uin=o${id};"
-                    )
-                }
-            }
-        }
-        val rep = data.await()
-        return json.decodeFromString(GroupActiveData.serializer(), rep)
-    }
-
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    override suspend fun _lowLevelGetGroupHonorListData(groupId: Long, type: GroupHonorType): GroupHonorListData? {
-        val data = network.async {
-            MiraiPlatformUtils.Http.get<String> {
-                url("https://qun.qq.com/interactive/honorlist")
-                parameter("gc", groupId)
-                parameter("type", type.value)
-                headers {
-                    append(
-                        "cookie",
-                        "uin=o${id};" +
-                                " skey=${client.wLoginSigInfo.sKey.data.encodeToString()};" +
-                                " p_uin=o${id};" +
-                                " p_skey=${client.wLoginSigInfo.psKeyMap["qun.qq.com"]?.data?.encodeToString()}; "
-                    )
-                }
-            }
-        }
-        val rep = data.await()
-        val jsonText = Regex("""window.__INITIAL_STATE__=(.+?)</script>""").find(rep)?.groupValues?.get(1)
-        return jsonText?.let { json.decodeFromString(GroupHonorListData.serializer(), it) }
-    }
-
-    @JvmSynthetic
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    internal suspend fun lowLevelSendGroupLongOrForwardMessage(
-        groupCode: Long,
-        message: Collection<ForwardMessage.INode>,
-        isLong: Boolean,
-        forwardMessage: ForwardMessage?
-    ): MessageReceipt<Group> {
-        message.forEach {
-            it.message.ensureSequenceIdAvailable()
-        }
-
-        val group = getGroup(groupCode)
-
-        val time = currentTimeSeconds
-        val sequenceId = client.atomicNextMessageSequenceId()
-
-        network.run {
-            val data = message.calculateValidationDataForGroup(
-                sequenceId = sequenceId,
-                random = Random.nextInt().absoluteValue,
-                groupCode = groupCode
-            )
-
-            val response =
-                MultiMsg.ApplyUp.createForGroupLongMessage(
-                    buType = if (isLong) 1 else 2,
-                    client = this@QQAndroidBotBase.client,
-                    messageData = data,
-                    dstUin = Group.calculateGroupUinByGroupCode(groupCode)
-                ).sendAndExpect<MultiMsg.ApplyUp.Response>()
-
-            val resId: String
-            when (response) {
-                is MultiMsg.ApplyUp.Response.MessageTooLarge ->
-                    error(
-                        "Internal error: message is too large, but this should be handled before sending. "
-                    )
-                is MultiMsg.ApplyUp.Response.RequireUpload -> {
-                    resId = response.proto.msgResid
-
-                    val body = LongMsg.ReqBody(
-                        subcmd = 1,
-                        platformType = 9,
-                        termType = 5,
-                        msgUpReq = listOf(
-                            LongMsg.MsgUpReq(
-                                msgType = 3, // group
-                                dstUin = Group.calculateGroupUinByGroupCode(groupCode),
-                                msgId = 0,
-                                msgUkey = response.proto.msgUkey,
-                                needCache = 0,
-                                storeType = 2,
-                                msgContent = data.data
-                            )
-                        )
-                    ).toByteArray(LongMsg.ReqBody.serializer())
-
-                    HighwayHelper.uploadImageToServers(
-                        bot,
-                        response.proto.uint32UpIp.zip(response.proto.uint32UpPort),
-                        response.proto.msgSig,
-                        MiraiPlatformUtils.md5(body),
-                        @Suppress("INVISIBLE_REFERENCE")
-                        net.mamoe.mirai.utils.internal.asReusableInput0(body), // don't use toLongUnsigned: Overload resolution ambiguity
-                        "group long message",
-                        27
-                    )
-                }
-            }
-
-            return if (isLong) {
-                group.sendMessage(
-                    RichMessage.longMessage(
-                        brief = message.joinToString(limit = 27) { it.message.contentToString() },
-                        resId = resId,
-                        timeSeconds = time
-                    )
-                )
-            } else {
-                checkNotNull(forwardMessage) { "Internal error: forwardMessage is null when sending forward" }
-                group.sendMessage(
-                    RichMessage.forwardMessage(
-                        resId = resId,
-                        timeSeconds = time,
-                        //  preview = message.take(5).joinToString {
-                        //      """
-                        //          <title size="26" color="#777777" maxLines="2" lineSpace="12">${it.message.asMessageChain().joinToString(limit = 10)}</title>
-                        //      """.trimIndent()
-                        //  },
-                        preview = forwardMessage.displayStrategy.generatePreview(forwardMessage).take(4)
-                            .map {
-                                """<title size="26" color="#777777" maxLines="2" lineSpace="12">$it</title>"""
-                            }.joinToString(""),
-                        title = forwardMessage.displayStrategy.generateTitle(forwardMessage),
-                        brief = forwardMessage.displayStrategy.generateBrief(forwardMessage),
-                        source = forwardMessage.displayStrategy.generateSource(forwardMessage),
-                        summary = forwardMessage.displayStrategy.generateSummary(forwardMessage)
-                    )
-                )
-            }
-        }
-    }
-
-
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    override suspend fun _lowLevelSolveNewFriendRequestEvent(
-        eventId: Long,
-        fromId: Long,
-        fromNick: String,
-        accept: Boolean,
-        blackList: Boolean
-    ) {
-        network.apply {
-            NewContact.SystemMsgNewFriend.Action(
-                bot.client,
-                eventId = eventId,
-                fromId = fromId,
-                accept = accept,
-                blackList = blackList
-            ).sendWithoutExpect()
-            bot.friends.delegate.addLast(bot._lowLevelNewFriend(object : FriendInfo {
-                override val uin: Long get() = fromId
-                override val nick: String get() = fromNick
-                override val remark: String get() = ""
-            }))
-        }
-    }
-
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    override suspend fun _lowLevelSolveBotInvitedJoinGroupRequestEvent(
-        eventId: Long,
-        invitorId: Long,
-        groupId: Long,
-        accept: Boolean
-    ) {
-        network.run {
-            NewContact.SystemMsgNewGroup.Action(
-                bot.client,
-                eventId = eventId,
-                fromId = invitorId,
-                groupId = groupId,
-                isInvited = true,
-                accept = accept
-            ).sendWithoutExpect()
-        }
-    }
-
-    @LowLevelAPI
-    @MiraiExperimentalAPI
-    override suspend fun _lowLevelSolveMemberJoinRequestEvent(
-        eventId: Long,
-        fromId: Long,
-        fromNick: String,
-        groupId: Long,
-        accept: Boolean?,
-        blackList: Boolean,
-        message: String
-    ) {
-        network.apply {
-            NewContact.SystemMsgNewGroup.Action(
-                bot.client,
-                eventId = eventId,
-                fromId = fromId,
-                groupId = groupId,
-                isInvited = false,
-                accept = accept,
-                blackList = blackList,
-                message = message
-            ).sendWithoutExpect()
-            if (accept ?: return)
-                groups[groupId].apply {
-                    members.delegate.addLast(newMember(object : MemberInfo {
-                        override val nameCard: String get() = ""
-                        override val permission: MemberPermission get() = MemberPermission.MEMBER
-                        override val specialTitle: String get() = ""
-                        override val muteTimestamp: Int get() = 0
-                        override val uin: Long get() = fromId
-                        override val nick: String get() = fromNick
-                        override val remark: String get() = ""
-                    }))
-                }
-        }
-    }
-
-    @OptIn(ExperimentalStdlibApi::class)
-    @LowLevelAPI
-    override suspend fun _lowLevelQueryGroupVoiceDownloadUrl(
-        md5: ByteArray,
-        groupId: Long,
-        dstUin: Long
-    ): String {
-        network.run {
-            val response: PttStore.GroupPttDown.Response.DownLoadInfo =
-                PttStore.GroupPttDown(client, groupId, dstUin, md5).sendAndExpect()
-            return "http://${response.strDomain}${response.downPara.encodeToString()}"
-        }
-    }
-
-    @LowLevelAPI
-    override suspend fun _lowLevelUploadVoice(md5: ByteArray, groupId: Long) {
-
-    }
-
-    @Suppress("DEPRECATION", "OverridingDeprecatedMember")
-    override suspend fun queryImageUrl(image: Image): String = when (image) {
-        is ConstOriginUrlAware -> image.originUrl
-        is DeferredOriginUrlAware -> image.getUrl(this)
-        is SuspendDeferredOriginUrlAware -> image.getUrl(this)
-        else -> error("Internal error: unsupported image class: ${image::class.simpleName}")
-    }
-
-    override fun constructMessageSource(
-        kind: OfflineMessageSource.Kind,
-        fromUin: Long,
-        targetUin: Long,
-        id: Int,
-        time: Int,
-        internalId: Int,
-        originalMessage: MessageChain
-    ): OfflineMessageSource {
-        return object : OfflineMessageSource(), MessageSourceInternal {
-            override val kind: Kind get() = kind
-            override val id: Int get() = id
-            override val bot: Bot get() = this@QQAndroidBotBase
-            override val time: Int get() = time
-            override val fromId: Long get() = fromUin
-            override val targetId: Long get() = targetUin
-            override val originalMessage: MessageChain get() = originalMessage
-            override val sequenceId: Int = id
-            override val internalId: Int = internalId
-            override var isRecalledOrPlanned: MiraiAtomicBoolean = MiraiAtomicBoolean(false)
-
-            override fun toJceData(): ImMsgBody.SourceMsg {
-                return ImMsgBody.SourceMsg(
-                    origSeqs = listOf(sequenceId),
-                    senderUin = fromUin,
-                    toUin = 0,
-                    flag = 1,
-                    elems = originalMessage.toRichTextElems(forGroup = kind == Kind.GROUP, withGeneralFlags = false),
-                    type = 0,
-                    time = time,
-                    pbReserve = EMPTY_BYTE_ARRAY,
-                    srcMsg = EMPTY_BYTE_ARRAY
-                )
-            }
-        }
-    }
-
     /**
      * 获取 获取群公告 所需的 bkn 参数
      * */
-    private val bkn: Int
+    val bkn: Int
         get() = client.wLoginSigInfo.sKey.data
             .fold(5381) { acc: Int, b: Byte -> acc + acc.shl(5) + b.toInt() }
 }
diff --git a/mirai-core/src/commonMain/kotlin/contact/FriendImpl.kt b/mirai-core/src/commonMain/kotlin/contact/FriendImpl.kt
index 0f12d8e3b..55dd84a8d 100644
--- a/mirai-core/src/commonMain/kotlin/contact/FriendImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/contact/FriendImpl.kt
@@ -1,13 +1,13 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
-@file:OptIn(LowLevelAPI::class)
+@file:OptIn(LowLevelApi::class)
 @file:Suppress(
     "EXPERIMENTAL_API_USAGE",
     "DEPRECATION_ERROR",
@@ -23,7 +23,7 @@ import kotlinx.atomicfu.atomic
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.io.core.Closeable
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
 import net.mamoe.mirai.contact.Friend
 import net.mamoe.mirai.data.FriendInfo
 import net.mamoe.mirai.event.broadcast
@@ -134,7 +134,7 @@ internal class FriendImpl(
 
         @Suppress("UNCHECKED_CAST", "DEPRECATION")
         when (response) {
-            is LongConn.OffPicUp.Response.FileExists -> net.mamoe.mirai.message.data.OfflineFriendImage(response.resourceId)
+            is LongConn.OffPicUp.Response.FileExists -> net.mamoe.mirai.internal.message.OfflineFriendImage(response.resourceId)
                 .also {
                     ImageUploadEvent.Succeed(this@FriendImpl, image, it).broadcast()
                 }
@@ -168,7 +168,7 @@ internal class FriendImpl(
                 )*/
                 // 为什么不能 ??
 
-                net.mamoe.mirai.message.data.OfflineFriendImage(response.resourceId).also {
+                net.mamoe.mirai.internal.message.OfflineFriendImage(response.resourceId).also {
                     ImageUploadEvent.Succeed(this@FriendImpl, image, it).broadcast()
                 }
             }
diff --git a/mirai-core/src/commonMain/kotlin/contact/GroupImpl.kt b/mirai-core/src/commonMain/kotlin/contact/GroupImpl.kt
index 4144f40ba..07ec202ae 100644
--- a/mirai-core/src/commonMain/kotlin/contact/GroupImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/contact/GroupImpl.kt
@@ -1,14 +1,14 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INAPPLICABLE_JVM_NAME", "DEPRECATION_ERROR", "INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
-@file:OptIn(LowLevelAPI::class)
+@file:OptIn(LowLevelApi::class)
 
 package net.mamoe.mirai.internal.contact
 
@@ -16,14 +16,17 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.launch
 import kotlinx.io.core.Closeable
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.*
 import net.mamoe.mirai.data.GroupInfo
 import net.mamoe.mirai.data.MemberInfo
 import net.mamoe.mirai.event.broadcast
 import net.mamoe.mirai.event.events.*
+import net.mamoe.mirai.internal.MiraiImpl
 import net.mamoe.mirai.internal.QQAndroidBot
 import net.mamoe.mirai.internal.message.MessageSourceToGroupImpl
+import net.mamoe.mirai.internal.message.OfflineGroupImage
 import net.mamoe.mirai.internal.message.ensureSequenceIdAvailable
 import net.mamoe.mirai.internal.message.firstIsInstanceOrNull
 import net.mamoe.mirai.internal.network.highway.HighwayHelper
@@ -251,7 +254,7 @@ internal class GroupImpl(
 
     override fun newMember(memberInfo: MemberInfo): Member {
         return MemberImpl(
-            bot._lowLevelNewFriend(memberInfo) as FriendImpl,
+            Mirai._lowLevelNewFriend(bot, memberInfo) as FriendImpl,
             this,
             this.coroutineContext,
             memberInfo
@@ -313,7 +316,7 @@ internal class GroupImpl(
                 )
             }
 
-            return bot.lowLevelSendGroupLongOrForwardMessage(this.id, message.nodeList, false, message)
+            return MiraiImpl.lowLevelSendGroupLongOrForwardMessage(bot, this.id, message.nodeList, false, message)
         }
 
         val msg: MessageChain = if (message !is LongMessage && message !is ForwardMessageInternal) {
@@ -338,7 +341,8 @@ internal class GroupImpl(
             }
 
             if (length > 702 || imageCnt > 2) {
-                return bot.lowLevelSendGroupLongOrForwardMessage(
+                return MiraiImpl.lowLevelSendGroupLongOrForwardMessage(
+                    bot,
                     this.id,
                     listOf(
                         ForwardMessage.Node(
@@ -402,7 +406,7 @@ internal class GroupImpl(
     @Suppress("DEPRECATION")
     @OptIn(ExperimentalTime::class)
     @JvmSynthetic
-    override suspend fun uploadImage(image: ExternalImage): OfflineGroupImage = try {
+    override suspend fun uploadImage(image: ExternalImage): Image = try {
         @Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
         if (image.input is net.mamoe.mirai.utils.internal.DeferredReusableInput) {
             image.input.init(bot.configuration.fileCacheStrategy)
@@ -456,7 +460,7 @@ internal class GroupImpl(
      * @throws EventCancelledException 当发送消息事件被取消
      * @throws OverFileSizeMaxException 当语音文件过大而被服务器拒绝上传时. (最大大小约为 1 MB)
      */
-    @MiraiExperimentalAPI
+    @MiraiExperimentalApi
     @SinceMirai("1.2.0")
     override suspend fun uploadVoice(input: InputStream): Voice {
         val content = ByteArray(input.available())
diff --git a/mirai-core/src/commonMain/kotlin/contact/MemberImpl.kt b/mirai-core/src/commonMain/kotlin/contact/MemberImpl.kt
index bb1dee4c5..18140f0df 100644
--- a/mirai-core/src/commonMain/kotlin/contact/MemberImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/contact/MemberImpl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "DEPRECATION_ERROR", "INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
@@ -14,7 +14,7 @@ package net.mamoe.mirai.internal.contact
 import kotlinx.atomicfu.AtomicInt
 import kotlinx.atomicfu.atomic
 import kotlinx.coroutines.*
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
 import net.mamoe.mirai.contact.*
 import net.mamoe.mirai.data.MemberInfo
 import net.mamoe.mirai.event.broadcast
@@ -38,7 +38,7 @@ import kotlin.contracts.contract
 import kotlin.coroutines.CoroutineContext
 import kotlin.jvm.JvmSynthetic
 
-@OptIn(LowLevelAPI::class)
+@OptIn(LowLevelApi::class)
 @Suppress("MemberVisibilityCanBePrivate")
 internal class MemberImpl constructor(
     val qq: FriendImpl, // 不要 WeakRef
@@ -258,7 +258,7 @@ internal fun Member.checkIsMemberImpl(): MemberImpl {
     return this
 }
 
-@OptIn(LowLevelAPI::class)
+@OptIn(LowLevelApi::class)
 internal class MemberInfoImpl(
     jceInfo: StTroopMemberInfo,
     groupOwnerId: Long
diff --git a/mirai-core/src/commonMain/kotlin/contact/util.kt b/mirai-core/src/commonMain/kotlin/contact/util.kt
index b254a8837..750f9c67b 100644
--- a/mirai-core/src/commonMain/kotlin/contact/util.kt
+++ b/mirai-core/src/commonMain/kotlin/contact/util.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
diff --git a/mirai-core/src/commonMain/kotlin/message/FlashImageImpl.kt b/mirai-core/src/commonMain/kotlin/message/FlashImageImpl.kt
index 81e23b104..70dc689db 100644
--- a/mirai-core/src/commonMain/kotlin/message/FlashImageImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/message/FlashImageImpl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("DEPRECATION_ERROR", "UnusedImport")
diff --git a/mirai-core/src/commonMain/kotlin/message/atImpl.kt b/mirai-core/src/commonMain/kotlin/message/atImpl.kt
index 89189cd92..72dc6c315 100644
--- a/mirai-core/src/commonMain/kotlin/message/atImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/message/atImpl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.message
diff --git a/mirai-core/src/commonMain/kotlin/message/conversions.kt b/mirai-core/src/commonMain/kotlin/message/conversions.kt
index 34c407767..390c47701 100644
--- a/mirai-core/src/commonMain/kotlin/message/conversions.kt
+++ b/mirai-core/src/commonMain/kotlin/message/conversions.kt
@@ -1,13 +1,13 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
-@file:OptIn(LowLevelAPI::class)
+@file:OptIn(LowLevelApi::class)
 @file:Suppress("EXPERIMENTAL_API_USAGE", "DEPRECATION_ERROR")
 
 package net.mamoe.mirai.internal.message
@@ -17,7 +17,7 @@ import kotlinx.io.core.discardExact
 import kotlinx.io.core.readUInt
 import kotlinx.io.core.toByteArray
 import net.mamoe.mirai.Bot
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
 import net.mamoe.mirai.internal.network.protocol.data.proto.HummerCommelem
 import net.mamoe.mirai.internal.network.protocol.data.proto.ImMsgBody
 import net.mamoe.mirai.internal.network.protocol.data.proto.MsgComm
diff --git a/mirai-core/src/commonMain/kotlin/message/faceImpl.kt b/mirai-core/src/commonMain/kotlin/message/faceImpl.kt
index 48cf715d6..d23d607a8 100644
--- a/mirai-core/src/commonMain/kotlin/message/faceImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/message/faceImpl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.message
diff --git a/mirai-core/src/commonMain/kotlin/message/imagesImpl.kt b/mirai-core/src/commonMain/kotlin/message/imagesImpl.kt
index 2bc01a59d..31aa8f78c 100644
--- a/mirai-core/src/commonMain/kotlin/message/imagesImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/message/imagesImpl.kt
@@ -1,20 +1,28 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("DEPRECATION_ERROR")
 
 package net.mamoe.mirai.internal.message
 
+import kotlinx.serialization.Serializable
+import net.mamoe.mirai.Bot
+import net.mamoe.mirai.contact.Contact
+import net.mamoe.mirai.contact.Group
+import net.mamoe.mirai.internal.MiraiImpl
 import net.mamoe.mirai.internal.network.protocol.data.proto.ImMsgBody
 import net.mamoe.mirai.internal.utils.hexToBytes
 import net.mamoe.mirai.message.data.*
 import net.mamoe.mirai.utils.ExternalImage
+import net.mamoe.mirai.utils.MiraiExperimentalApi
+import net.mamoe.mirai.utils.SinceMirai
+import kotlin.jvm.JvmSynthetic
 
 internal class OnlineGroupImageImpl(
     internal val delegate: ImMsgBody.CustomFace
@@ -23,8 +31,10 @@ OnlineGroupImage() {
     override val imageId: String = ExternalImage.generateImageId(delegate.md5)
     override val originUrl: String
         get() = if (delegate.origUrl.isBlank()) {
-            "http://gchat.qpic.cn/gchatpic_new/0/0-0-${imageId.substring(1..36)
-                .replace("-", "")}/0?term=2"
+            "http://gchat.qpic.cn/gchatpic_new/0/0-0-${
+                imageId.substring(1..36)
+                    .replace("-", "")
+            }/0?term=2"
         } else "http://gchat.qpic.cn" + delegate.origUrl
 
     override fun equals(other: Any?): Boolean {
@@ -86,4 +96,136 @@ internal fun OfflineFriendImage.toJceData(): ImMsgBody.NotOnlineImage {
         original = 1,
         pbReserve = byteArrayOf(0x78, 0x02)
     )
-}
\ No newline at end of file
+}
+
+
+/**
+ * 所有 [Image] 实现的基类.
+ */
+internal abstract class AbstractImage : Image { // make sealed in 1.3.0 ?
+    private var _stringValue: String? = null
+        get() = field ?: kotlin.run {
+            field = "[mirai:image:$imageId]"
+            field
+        }
+
+    final override fun toString(): String = _stringValue!!
+    final override fun contentToString(): String = "[图片]"
+}
+
+internal interface ConstOriginUrlAware : Image {
+    val originUrl: String
+}
+
+internal interface DeferredOriginUrlAware : Image {
+    fun getUrl(bot: Bot): String
+}
+
+internal interface SuspendDeferredOriginUrlAware : Image {
+    suspend fun getUrl(bot: Bot): String
+}
+
+/**
+ * 由 [ExternalImage] 委托的 [Image] 类型.
+ */
+@SinceMirai("1.1.0")
+@MiraiExperimentalApi("Will be renamed to OfflineImage on 1.2.0")
+@Suppress("DEPRECATION_ERROR")
+internal class ExperimentalDeferredImage internal constructor(
+    @Suppress("CanBeParameter") private val externalImage: ExternalImage // for future use
+) : AbstractImage(), SuspendDeferredOriginUrlAware {
+    override suspend fun getUrl(bot: Bot): String {
+        TODO()
+    }
+
+    @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+    override val imageId: String = externalImage.calculateImageResourceId()
+}
+
+internal val firstOnlineBotInstance: Bot get() = Bot.botInstancesSequence.firstOrNull() ?: error("No Bot available")
+
+@Suppress("EXPOSED_SUPER_INTERFACE")
+internal interface OnlineImage : Image, ConstOriginUrlAware {
+    companion object Key : Message.Key<OnlineImage> {
+        override val typeName: String get() = "OnlineImage"
+    }
+
+    override val originUrl: String
+}
+
+/**
+ * 离线的图片, 即为客户端主动上传到服务器而获得的 [Image] 实例.
+ * 不能直接获取它在服务器上的链接. 需要通过 [Bot.queryImageUrl] 查询
+ *
+ * 一般由 [Contact.uploadImage] 得到
+ */
+internal interface OfflineImage : Image {
+    companion object Key : Message.Key<OfflineImage> {
+        override val typeName: String get() = "OfflineImage"
+    }
+}
+
+@JvmSynthetic
+internal suspend fun OfflineImage.queryUrl(): String {
+    @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+    val bot = Bot._instances.peekFirst()?.get() ?: error("No Bot available to query image url")
+    return MiraiImpl.queryImageUrl(bot, this)
+}
+
+/**
+ * 通过 [Group.uploadImage] 上传得到的 [GroupImage]. 它的链接需要查询 [Bot.queryImageUrl]
+ *
+ * @param imageId 参考 [Image.imageId]
+ */
+@Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+@Serializable
+internal data class OfflineGroupImage(
+    override val imageId: String
+) : GroupImage(), OfflineImage, DeferredOriginUrlAware {
+    override fun getUrl(bot: Bot): String {
+        return "http://gchat.qpic.cn/gchatpic_new/${bot.id}/0-0-${
+            imageId.substring(1..36)
+                .replace("-", "")
+        }/0?term=2"
+    }
+
+    init {
+        @Suppress("DEPRECATION")
+        require(imageId matches GROUP_IMAGE_ID_REGEX) {
+            "Illegal imageId. It must matches GROUP_IMAGE_ID_REGEX"
+        }
+    }
+}
+
+/**
+ * 接收消息时获取到的 [GroupImage]. 它可以直接获取下载链接 [originUrl]
+ */
+@Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+internal abstract class OnlineGroupImage : GroupImage(), OnlineImage
+
+/**
+ * 通过 [Group.uploadImage] 上传得到的 [GroupImage]. 它的链接需要查询 [Bot.queryImageUrl]
+ *
+ * @param imageId 参考 [Image.imageId]
+ */
+@Serializable
+internal data class OfflineFriendImage(
+    override val imageId: String
+) : FriendImage(), OfflineImage, DeferredOriginUrlAware {
+    override fun getUrl(bot: Bot): String {
+        return "http://c2cpicdw.qpic.cn/offpic_new/${bot.id}/${this.imageId}/0?term=2"
+    }
+
+    init {
+        require(imageId matches FRIEND_IMAGE_ID_REGEX_1 || imageId matches FRIEND_IMAGE_ID_REGEX_2) {
+            "Illegal imageId. It must matches either FRIEND_IMAGE_ID_REGEX_1 or FRIEND_IMAGE_ID_REGEX_2"
+        }
+    }
+}
+
+/**
+ * 接收消息时获取到的 [FriendImage]. 它可以直接获取下载链接 [originUrl]
+ */
+internal abstract class OnlineFriendImage : FriendImage(), OnlineImage
+
+// endregion
diff --git a/mirai-core/src/commonMain/kotlin/message/incomingSourceImpl.kt b/mirai-core/src/commonMain/kotlin/message/incomingSourceImpl.kt
index 769d234a4..f7f044c7a 100644
--- a/mirai-core/src/commonMain/kotlin/message/incomingSourceImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/message/incomingSourceImpl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "EXPERIMENTAL_OVERRIDE", "INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
diff --git a/mirai-core/src/commonMain/kotlin/message/offlineSourceImpl.kt b/mirai-core/src/commonMain/kotlin/message/offlineSourceImpl.kt
index 822487a0e..49829880f 100644
--- a/mirai-core/src/commonMain/kotlin/message/offlineSourceImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/message/offlineSourceImpl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "EXPERIMENTAL_OVERRIDE", "INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
diff --git a/mirai-core/src/commonMain/kotlin/message/outgoingSourceImpl.kt b/mirai-core/src/commonMain/kotlin/message/outgoingSourceImpl.kt
index 6e31f1bd8..0bf142171 100644
--- a/mirai-core/src/commonMain/kotlin/message/outgoingSourceImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/message/outgoingSourceImpl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "EXPERIMENTAL_OVERRIDE", "INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
diff --git a/mirai-core/src/commonMain/kotlin/network/BotNetworkHandler.kt b/mirai-core/src/commonMain/kotlin/network/BotNetworkHandler.kt
index 0f9b6ba7a..77569974f 100644
--- a/mirai-core/src/commonMain/kotlin/network/BotNetworkHandler.kt
+++ b/mirai-core/src/commonMain/kotlin/network/BotNetworkHandler.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE")
@@ -18,7 +18,7 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import net.mamoe.mirai.Bot
-import net.mamoe.mirai.utils.MiraiInternalAPI
+import net.mamoe.mirai.utils.MiraiInternalApi
 import net.mamoe.mirai.utils.MiraiLogger
 import net.mamoe.mirai.utils.WeakRefProperty
 
@@ -72,7 +72,7 @@ internal abstract class BotNetworkHandler : CoroutineScope {
      * @throws WrongPasswordException 密码错误时
      */
     @Suppress("SpellCheckingInspection")
-    @MiraiInternalAPI
+    @MiraiInternalApi
     abstract suspend fun closeEverythingAndRelogin(host: String, port: Int, cause: Throwable? = null)
 
     /**
@@ -80,7 +80,7 @@ internal abstract class BotNetworkHandler : CoroutineScope {
      *
      * 不要使用这个 API. 它会在登录完成后被自动调用.
      */
-    @MiraiInternalAPI
+    @MiraiInternalApi
     open suspend fun init() {
     }
 
diff --git a/mirai-core/src/commonMain/kotlin/network/Packet.kt b/mirai-core/src/commonMain/kotlin/network/Packet.kt
index e994dc53e..715d7eed5 100644
--- a/mirai-core/src/commonMain/kotlin/network/Packet.kt
+++ b/mirai-core/src/commonMain/kotlin/network/Packet.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network
diff --git a/mirai-core/src/commonMain/kotlin/network/QQAndroidBotNetworkHandler.kt b/mirai-core/src/commonMain/kotlin/network/QQAndroidBotNetworkHandler.kt
index c5e5ffbea..456f11eee 100644
--- a/mirai-core/src/commonMain/kotlin/network/QQAndroidBotNetworkHandler.kt
+++ b/mirai-core/src/commonMain/kotlin/network/QQAndroidBotNetworkHandler.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
@@ -19,6 +19,7 @@ import kotlinx.coroutines.sync.withLock
 import kotlinx.io.core.ByteReadPacket
 import kotlinx.io.core.buildPacket
 import kotlinx.io.core.use
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.event.*
 import net.mamoe.mirai.event.events.BotOfflineEvent
 import net.mamoe.mirai.event.events.BotOnlineEvent
@@ -276,7 +277,8 @@ internal class QQAndroidBotNetworkHandler(coroutineContext: CoroutineContext, bo
                     coroutineContext = bot.coroutineContext,
                     id = groupCode,
                     groupInfo = GroupInfoImpl(this),
-                    members = bot._lowLevelQueryGroupMemberList(
+                    members = Mirai._lowLevelQueryGroupMemberList(
+                        bot,
                         groupUin,
                         groupCode,
                         dwGroupOwnerUin
@@ -395,7 +397,7 @@ internal class QQAndroidBotNetworkHandler(coroutineContext: CoroutineContext, bo
     private suspend fun syncMessageSvc() {
         logger.info { "Syncing friend message history..." }
         withTimeoutOrNull(30000) {
-            launch(CoroutineName("Syncing friend message history")) { syncFromEvent<MessageSvcPbGetMsg.GetMsgSuccess, Unit> { Unit } }
+            launch(CoroutineName("Syncing friend message history")) { syncFromEvent<MessageSvcPbGetMsg.GetMsgSuccess, Unit> { } }
             MessageSvcPbGetMsg(bot.client, MsgSvc.SyncFlag.START, null).sendAndExpect<Packet>()
 
         } ?: error("timeout syncing friend message history")
diff --git a/mirai-core/src/commonMain/kotlin/network/QQAndroidClient.kt b/mirai-core/src/commonMain/kotlin/network/QQAndroidClient.kt
index ec1459bba..985078cd2 100644
--- a/mirai-core/src/commonMain/kotlin/network/QQAndroidClient.kt
+++ b/mirai-core/src/commonMain/kotlin/network/QQAndroidClient.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("NOTHING_TO_INLINE", "EXPERIMENTAL_API_USAGE", "DEPRECATION_ERROR")
@@ -155,7 +155,7 @@ internal open class QQAndroidClient(
         }
     }
 
-    @MiraiInternalAPI("Do not use directly. Get from the lambda param of buildSsoPacket")
+    @MiraiInternalApi("Do not use directly. Get from the lambda param of buildSsoPacket")
     internal fun nextSsoSequenceId() = _ssoSequenceId.addAndGet(2)
 
     var openAppId: Long = 715019303L
diff --git a/mirai-core/src/commonMain/kotlin/network/Ticket.kt b/mirai-core/src/commonMain/kotlin/network/Ticket.kt
index be06d29c1..c9e8e02b6 100644
--- a/mirai-core/src/commonMain/kotlin/network/Ticket.kt
+++ b/mirai-core/src/commonMain/kotlin/network/Ticket.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network
diff --git a/mirai-core/src/commonMain/kotlin/network/highway/HighwayHelper.kt b/mirai-core/src/commonMain/kotlin/network/highway/HighwayHelper.kt
index ced1b329f..709feeef1 100644
--- a/mirai-core/src/commonMain/kotlin/network/highway/HighwayHelper.kt
+++ b/mirai-core/src/commonMain/kotlin/network/highway/HighwayHelper.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
diff --git a/mirai-core/src/commonMain/kotlin/network/highway/highway.kt b/mirai-core/src/commonMain/kotlin/network/highway/highway.kt
index bd7a98e5e..da80421e3 100644
--- a/mirai-core/src/commonMain/kotlin/network/highway/highway.kt
+++ b/mirai-core/src/commonMain/kotlin/network/highway/highway.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/LoginType.kt b/mirai-core/src/commonMain/kotlin/network/protocol/LoginType.kt
index f7beda74d..e2baf73c1 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/LoginType.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/LoginType.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/SyncingCacheList.kt b/mirai-core/src/commonMain/kotlin/network/protocol/SyncingCacheList.kt
index 366a629c8..2dd5e18b0 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/SyncingCacheList.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/SyncingCacheList.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.internal.network.protocol
 
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/ConfigPush.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/ConfigPush.kt
index e68276f81..fbefabf5b 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/ConfigPush.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/ConfigPush.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/FriendList.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/FriendList.kt
index d556cd2ac..8a7bcb168 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/FriendList.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/FriendList.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/GroupMngReq.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/GroupMngReq.kt
index 9c61b603b..dd5ed29d6 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/GroupMngReq.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/GroupMngReq.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/MsgType0x210.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/MsgType0x210.kt
index fc0f76193..63b45e3ce 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/MsgType0x210.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/MsgType0x210.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/OnlinePushPack.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/OnlinePushPack.kt
index 7ea01f2b5..642fa2d3e 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/OnlinePushPack.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/OnlinePushPack.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/PushNotifyPack.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/PushNotifyPack.kt
index c6b9da922..a29a78621 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/PushNotifyPack.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/PushNotifyPack.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestMSFForceOffline.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestMSFForceOffline.kt
index 34f6dd9da..d44d38817 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestMSFForceOffline.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestMSFForceOffline.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestPacket.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestPacket.kt
index e1b57c435..863fc4216 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestPacket.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestPacket.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestPushForceOffline.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestPushForceOffline.kt
index 1ed8759a0..a67a072cc 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestPushForceOffline.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/RequestPushForceOffline.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/SvcReqRegister.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/SvcReqRegister.kt
index f5cc87441..cb95ae346 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/SvcReqRegister.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/SvcReqRegister.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/TroopList.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/TroopList.kt
index 53400b573..63cb892c9 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/TroopList.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/jce/TroopList.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.jce
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x352.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x352.kt
index e8c969828..e5eab5bd5 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x352.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x352.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x388.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x388.kt
index 6ad0d6e68..dda1b9bd8 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x388.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x388.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x857.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x857.kt
index 7b000abd4..a9e225057 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x857.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x857.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("SpellCheckingInspection")
 
 package net.mamoe.mirai.internal.network.protocol.data.proto
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x858.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x858.kt
index 9e544c4ac..b463cd086 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x858.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Cmd0x858.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("SpellCheckingInspection")
 
 package net.mamoe.mirai.internal.network.protocol.data.proto
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Define.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Define.kt
index 69b3b9d00..93037e37b 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Define.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Define.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/FriendListCommon.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/FriendListCommon.kt
index 480568c01..f965a30a8 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/FriendListCommon.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/FriendListCommon.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("SpellCheckingInspection")
 
 package net.mamoe.mirai.internal.network.protocol.data.proto
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Group.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Group.kt
index d054d85fb..07d5a9038 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Group.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Group.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Highway.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Highway.kt
index bf1c168b2..6b3b46e2a 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Highway.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Highway.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/HummerCommelem.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/HummerCommelem.kt
index 885c1b46f..252ea40ce 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/HummerCommelem.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/HummerCommelem.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/ImageRequest.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/ImageRequest.kt
index 5d3532674..4764716b2 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/ImageRequest.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/ImageRequest.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/LongMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/LongMsg.kt
index 2d68e9814..b34769ab6 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/LongMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/LongMsg.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Msg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Msg.kt
index 35ff35b4f..937f541ef 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Msg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Msg.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgCommon.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgCommon.kt
index 422add782..0cb2b05cc 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgCommon.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgCommon.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgRevokeUserDef.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgRevokeUserDef.kt
index 354f52b2c..4cc007323 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgRevokeUserDef.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgRevokeUserDef.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgSvc.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgSvc.kt
index c32202fb7..d03ec5b19 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgSvc.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgSvc.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgTransmit.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgTransmit.kt
index 67a94e8bc..21777dfa3 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgTransmit.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MsgTransmit.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MultiMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MultiMsg.kt
index 428a9385a..038fcc73c 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MultiMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/MultiMsg.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/OIDB.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/OIDB.kt
index 6a74d4d1f..a86256533 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/OIDB.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/OIDB.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Oidb0x769.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Oidb0x769.kt
index 936940226..83ebfbbff 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Oidb0x769.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Oidb0x769.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/OnlinePush.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/OnlinePush.kt
index 018c0a006..0e7ec76fc 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/OnlinePush.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/OnlinePush.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/PbReserve.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/PbReserve.kt
index a30a1fd87..83155cad5 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/PbReserve.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/PbReserve.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/StatSvcGetOnline.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/StatSvcGetOnline.kt
index 7d83d0a35..7639dbaa8 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/StatSvcGetOnline.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/StatSvcGetOnline.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/StructMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/StructMsg.kt
index 78be7d4a0..19de52a8b 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/StructMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/StructMsg.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/SyncCookie.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/SyncCookie.kt
index 832451894..cf03f5500 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/SyncCookie.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/SyncCookie.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.data.proto
 
 import kotlinx.serialization.Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/msgType0x210.kt b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/msgType0x210.kt
index dd0d64307..a0a990bd8 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/msgType0x210.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/data/proto/msgType0x210.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 @file:Suppress("unused", "SpellCheckingInspection")
 
 package net.mamoe.mirai.internal.network.protocol.data.proto
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/EncryptMethod.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/EncryptMethod.kt
index 24d0f58ab..319580ddd 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/EncryptMethod.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/EncryptMethod.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/OutgoingPacketAndroid.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/OutgoingPacketAndroid.kt
index 772ab4ed7..7fe04860e 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/OutgoingPacketAndroid.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/OutgoingPacketAndroid.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/PacketFactory.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/PacketFactory.kt
index d6bbcf4e9..33414dc83 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/PacketFactory.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/PacketFactory.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/Tlv.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/Tlv.kt
index 93bac6fa3..005994fb6 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/Tlv.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/Tlv.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("NOTHING_TO_INLINE")
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/ChatType.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/ChatType.kt
index 80f60100f..f2e50d8b0 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/ChatType.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/ChatType.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/MultiMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/MultiMsg.kt
index ae8b21fad..f657ad03d 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/MultiMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/MultiMsg.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE")
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/NewContact.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/NewContact.kt
index ecdb29218..3e23ba537 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/NewContact.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/NewContact.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_MEMBER")
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/NudgePacket.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/NudgePacket.kt
index 363ae5938..e56353c5e 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/NudgePacket.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/NudgePacket.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/PbMessageSvc.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/PbMessageSvc.kt
index b19d335ae..389081974 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/PbMessageSvc.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/PbMessageSvc.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE")
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/TroopManagement.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/TroopManagement.kt
index 31f9a463b..d647f595e 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/TroopManagement.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/TroopManagement.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat
@@ -13,7 +13,7 @@ import kotlinx.io.core.ByteReadPacket
 import kotlinx.io.core.buildPacket
 import kotlinx.io.core.readBytes
 import kotlinx.io.core.toByteArray
-import net.mamoe.mirai.LowLevelAPI
+import net.mamoe.mirai.LowLevelApi
 import net.mamoe.mirai.contact.Member
 import net.mamoe.mirai.internal.QQAndroidBot
 import net.mamoe.mirai.internal.network.Packet
@@ -30,7 +30,7 @@ import net.mamoe.mirai.internal.utils.io.serialization.*
 import net.mamoe.mirai.utils.daysToSeconds
 import net.mamoe.mirai.data.GroupInfo as MiraiGroupInfo
 
-@OptIn(LowLevelAPI::class)
+@OptIn(LowLevelApi::class)
 internal class GroupInfoImpl(
     private val stTroopNum: StTroopNum
 ) : MiraiGroupInfo, Packet, Packet.NoLog {
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/image/ImgStore.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/image/ImgStore.kt
index 19a0f534d..258f6b862 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/image/ImgStore.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/image/ImgStore.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat.image
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/image/LongConn.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/image/LongConn.kt
index f6eb833e8..3f5800595 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/image/LongConn.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/image/LongConn.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat.image
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbDeleteMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbDeleteMsg.kt
index 316c9765b..74393f031 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbDeleteMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbDeleteMsg.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat.receive
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbGetMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbGetMsg.kt
index 1237b1de5..f135528d1 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbGetMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbGetMsg.kt
@@ -1,17 +1,16 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat.receive
 
-import kotlinx.atomicfu.loop
 import kotlinx.coroutines.CoroutineName
 import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.delay
@@ -20,6 +19,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.withLock
 import kotlinx.io.core.ByteReadPacket
 import kotlinx.io.core.discardExact
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.contact.MemberPermission
 import net.mamoe.mirai.data.MemberInfo
@@ -455,7 +455,8 @@ internal suspend fun QQAndroidBot.getNewGroup(groupCode: Long): Group? {
         coroutineContext = coroutineContext,
         id = groupCode,
         groupInfo = GroupInfoImpl(troopNum),
-        members = _lowLevelQueryGroupMemberList(
+        members = Mirai._lowLevelQueryGroupMemberList(
+            this,
             troopNum.groupUin,
             troopNum.groupCode,
             troopNum.dwGroupOwnerUin
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbSendMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbSendMsg.kt
index 45a5e68ec..9b9eb450c 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbSendMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PbSendMsg.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat.receive
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PushForceOffline.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PushForceOffline.kt
index 120c311a8..070f78c6c 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PushForceOffline.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PushForceOffline.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat.receive
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PushNotify.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PushNotify.kt
index 479920c2c..965c5f0ac 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PushNotify.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/MessageSvc.PushNotify.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.chat.receive
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushGroupMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushGroupMsg.kt
index f47ff8393..bb6c30284 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushGroupMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushGroupMsg.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushTransMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushTransMsg.kt
index 8c199265e..6fb53e0a0 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushTransMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushTransMsg.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.ReqPush.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.ReqPush.kt
index 1d595d2ba..ba0c02e37 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.ReqPush.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.ReqPush.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
@@ -21,6 +21,7 @@ import kotlinx.io.core.readUInt
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.protobuf.ProtoNumber
 import net.mamoe.mirai.JavaFriendlyAPI
+import net.mamoe.mirai.Mirai
 import net.mamoe.mirai.contact.Friend
 import net.mamoe.mirai.contact.Member
 import net.mamoe.mirai.data.FriendInfo
@@ -133,7 +134,7 @@ internal object OnlinePushReqPush : IncomingPacketFactory<OnlinePushReqPush.ReqP
         }
     }
 
-    override suspend fun QQAndroidBot.handle(packet: ReqPushDecoded, sequenceId: Int): OutgoingPacket? {
+    override suspend fun QQAndroidBot.handle(packet: ReqPushDecoded, sequenceId: Int): OutgoingPacket {
         return buildResponseUniPacket(client) {
             writeJceStruct(
                 RequestPacket.serializer(),
@@ -456,7 +457,7 @@ internal object Transformers528 : Map<Long, Lambda528> by mapOf(
     0xB3L to lambda528 { bot ->
         // 08 01 12 52 08 A2 FF 8C F0 03 10 00 1D 15 3D 90 5E 22 2E E6 88 91 E4 BB AC E5 B7 B2 E7 BB 8F E6 98 AF E5 A5 BD E5 8F 8B E5 95 A6 EF BC 8C E4 B8 80 E8 B5 B7 E6 9D A5 E8 81 8A E5 A4 A9 E5 90 A7 21 2A 09 48 69 6D 31 38 38 6D 6F 65 30 07 38 03 48 DD F1 92 B7 07
         val body = vProtobuf.loadAs(Submsgtype0xb3.SubMsgType0xb3.MsgBody.serializer())
-        val new = bot._lowLevelNewFriend(object : FriendInfo {
+        val new = Mirai._lowLevelNewFriend(bot, object : FriendInfo {
             override val uin: Long get() = body.msgAddFrdNotify.fuin
             override val nick: String get() = body.msgAddFrdNotify.fuinNick
             override val remark: String get() = ""
@@ -512,9 +513,9 @@ internal object Transformers528 : Map<Long, Lambda528> by mapOf(
             //戳一戳
             1134L, 1135L, 1136L, 10043L -> {
                 //预置数据，服务器将不会提供己方已知消息
-                var from: Friend = bot.selfQQ
+                var from: Friend = bot.asFriend
                 var action = ""
-                var target: Friend = bot.selfQQ
+                var target: Friend = bot.asFriend
                 var suffix = ""
                 body.msgTemplParam?.asSequence()?.map {
                     it.name.decodeToString() to it.value.decodeToString()
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/voice/PttStore.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/voice/PttStore.kt
index 4cf3a62f9..a6ca53e28 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/voice/PttStore.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/voice/PttStore.kt
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 package net.mamoe.mirai.internal.network.protocol.packet.chat.voice
 
 import kotlinx.io.core.ByteReadPacket
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/list/FriendList.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/list/FriendList.kt
index ef519e527..00943485c 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/list/FriendList.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/list/FriendList.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.list
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/list/ProfileService.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/list/ProfileService.kt
index 2c8858ca2..fa3a76999 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/list/ProfileService.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/list/ProfileService.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.list
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/ConfigPushSvc.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/ConfigPushSvc.kt
index cc2473eb1..d33748697 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/ConfigPushSvc.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/ConfigPushSvc.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.login
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/Heartbeat.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/Heartbeat.kt
index d155f7b87..99888cbef 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/Heartbeat.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/Heartbeat.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.login
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/StatSvc.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/StatSvc.kt
index 4e045b184..bd2a3329c 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/StatSvc.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/StatSvc.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.login
diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/WtLogin.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/WtLogin.kt
index 7f8979570..384b75eb4 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/WtLogin.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/login/WtLogin.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.protocol.packet.login
diff --git a/mirai-core/src/commonMain/kotlin/utils/AtomicResizeCacheList.kt b/mirai-core/src/commonMain/kotlin/utils/AtomicResizeCacheList.kt
index 9deb0a6be..1c9326f96 100644
--- a/mirai-core/src/commonMain/kotlin/utils/AtomicResizeCacheList.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/AtomicResizeCacheList.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/commonMain/kotlin/utils/ByteArrayPool.kt b/mirai-core/src/commonMain/kotlin/utils/ByteArrayPool.kt
index 8b1b136b8..a366b4f21 100644
--- a/mirai-core/src/commonMain/kotlin/utils/ByteArrayPool.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/ByteArrayPool.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/commonMain/kotlin/utils/GuidSource.kt b/mirai-core/src/commonMain/kotlin/utils/GuidSource.kt
index 3afd02b6d..e6d82eab8 100644
--- a/mirai-core/src/commonMain/kotlin/utils/GuidSource.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/GuidSource.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmName("Utils")
diff --git a/mirai-core/src/commonMain/kotlin/utils/LinkedList.common.kt b/mirai-core/src/commonMain/kotlin/utils/LinkedList.common.kt
index a7e069d2a..498b3d04b 100644
--- a/mirai-core/src/commonMain/kotlin/utils/LinkedList.common.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/LinkedList.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/commonMain/kotlin/utils/MiraiPlatformUtils.common.kt b/mirai-core/src/commonMain/kotlin/utils/MiraiPlatformUtils.common.kt
index 7dcd6826d..6e4ca5c75 100644
--- a/mirai-core/src/commonMain/kotlin/utils/MiraiPlatformUtils.common.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/MiraiPlatformUtils.common.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/commonMain/kotlin/utils/NetworkType.kt b/mirai-core/src/commonMain/kotlin/utils/NetworkType.kt
index 0e520fc8c..ac83b7ade 100644
--- a/mirai-core/src/commonMain/kotlin/utils/NetworkType.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/NetworkType.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/commonMain/kotlin/utils/PlatformDatagramChannel.kt b/mirai-core/src/commonMain/kotlin/utils/PlatformDatagramChannel.kt
index a4704bbe8..da23812ba 100644
--- a/mirai-core/src/commonMain/kotlin/utils/PlatformDatagramChannel.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/PlatformDatagramChannel.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/commonMain/kotlin/utils/PlatformSocket.kt b/mirai-core/src/commonMain/kotlin/utils/PlatformSocket.kt
index b5d90a02b..26f72229c 100644
--- a/mirai-core/src/commonMain/kotlin/utils/PlatformSocket.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/PlatformSocket.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/commonMain/kotlin/utils/byteArrays.kt b/mirai-core/src/commonMain/kotlin/utils/byteArrays.kt
index f0bdd7612..d7ff1c11c 100644
--- a/mirai-core/src/commonMain/kotlin/utils/byteArrays.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/byteArrays.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_UNSIGNED_LITERALS", "NOTHING_TO_INLINE", "INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
diff --git a/mirai-core/src/commonMain/kotlin/utils/contentToString.kt b/mirai-core/src/commonMain/kotlin/utils/contentToString.kt
index bb1ad1c7d..59c42b3b0 100644
--- a/mirai-core/src/commonMain/kotlin/utils/contentToString.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/contentToString.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "unused", "NO_REFLECTION_IN_CLASS_PATH")
diff --git a/mirai-core/src/commonMain/kotlin/utils/conversion.kt b/mirai-core/src/commonMain/kotlin/utils/conversion.kt
index 89467f4b4..e8a65f44f 100644
--- a/mirai-core/src/commonMain/kotlin/utils/conversion.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/conversion.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_UNSIGNED_LITERALS", "EXPERIMENTAL_API_USAGE", "unused")
diff --git a/mirai-core/src/commonMain/kotlin/utils/cryptor/ECDH.kt b/mirai-core/src/commonMain/kotlin/utils/cryptor/ECDH.kt
index c4dc7eecd..1d0456baf 100644
--- a/mirai-core/src/commonMain/kotlin/utils/cryptor/ECDH.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/cryptor/ECDH.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils.cryptor
diff --git a/mirai-core/src/commonMain/kotlin/utils/cryptor/TEA.kt b/mirai-core/src/commonMain/kotlin/utils/cryptor/TEA.kt
index 01d646599..86bacd815 100644
--- a/mirai-core/src/commonMain/kotlin/utils/cryptor/TEA.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/cryptor/TEA.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils.cryptor
diff --git a/mirai-core/src/commonMain/kotlin/utils/flags.kt b/mirai-core/src/commonMain/kotlin/utils/flags.kt
index 9802b1a59..250b15df2 100644
--- a/mirai-core/src/commonMain/kotlin/utils/flags.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/flags.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmName("Utils")
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/JceStruct.kt b/mirai-core/src/commonMain/kotlin/utils/io/JceStruct.kt
index 88a4362d0..669485e06 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/JceStruct.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/JceStruct.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils.io
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/ProtoBuf.kt b/mirai-core/src/commonMain/kotlin/utils/io/ProtoBuf.kt
index 6a4f94561..8d1538d62 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/ProtoBuf.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/ProtoBuf.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils.io
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/input.kt b/mirai-core/src/commonMain/kotlin/utils/io/input.kt
index c539ca818..bffcdaa9a 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/input.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/input.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "EXPERIMENTAL_UNSIGNED_LITERALS", "NOTHING_TO_INLINE")
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/output.kt b/mirai-core/src/commonMain/kotlin/utils/io/output.kt
index ca8e07036..ce46a8e6f 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/output.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/output.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "NOTHING_TO_INLINE")
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/serialization/ProtoBufWithNullableSupport.kt b/mirai-core/src/commonMain/kotlin/utils/io/serialization/ProtoBufWithNullableSupport.kt
index ef89b9a55..9cff4d651 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/serialization/ProtoBufWithNullableSupport.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/serialization/ProtoBufWithNullableSupport.kt
@@ -1,8 +1,10 @@
 /*
- * Copyright 2017-2019 JetBrains s.r.o.
- * Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * Some code changed by Mamoe is annotated around "MIRAI MODIFY START" and "MIRAI MODIFY END"
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("DEPRECATION_ERROR")
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/Tars.kt b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/Tars.kt
index 2e13cd405..eecec9143 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/Tars.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/Tars.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("MemberVisibilityCanBePrivate", "unused")
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/TarsId.kt b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/TarsId.kt
index f8268aed1..0d31df958 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/TarsId.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/TarsId.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils.io.serialization.tars
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsDecoder.kt b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsDecoder.kt
index bdec63ab4..79b1ec404 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsDecoder.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsDecoder.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("PrivatePropertyName")
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsInput.kt b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsInput.kt
index 7317f5d90..9cc2ab648 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsInput.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsInput.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils.io.serialization.tars.internal
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsOld.kt b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsOld.kt
index 337e8f57e..c8ef2526e 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsOld.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsOld.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils.io.serialization.tars.internal
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsTag.kt b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsTag.kt
index a5a7ff6f0..1b487becf 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsTag.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/serialization/tars/internal/TarsTag.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils.io.serialization.tars.internal
diff --git a/mirai-core/src/commonMain/kotlin/utils/io/serialization/utils.kt b/mirai-core/src/commonMain/kotlin/utils/io/serialization/utils.kt
index edf37132e..18bb900e6 100644
--- a/mirai-core/src/commonMain/kotlin/utils/io/serialization/utils.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/io/serialization/utils.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmName("SerializationUtils")
diff --git a/mirai-core/src/commonMain/kotlin/utils/numbers.kt b/mirai-core/src/commonMain/kotlin/utils/numbers.kt
index d34bef4a4..9a14d7f8e 100644
--- a/mirai-core/src/commonMain/kotlin/utils/numbers.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/numbers.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmMultifileClass
diff --git a/mirai-core/src/commonMain/kotlin/utils/tryNTimes.kt b/mirai-core/src/commonMain/kotlin/utils/tryNTimes.kt
index 7fd6d05a2..bb93d76cd 100644
--- a/mirai-core/src/commonMain/kotlin/utils/tryNTimes.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/tryNTimes.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("DuplicatedCode")
diff --git a/mirai-core/src/commonMain/kotlin/utils/type.kt b/mirai-core/src/commonMain/kotlin/utils/type.kt
index ef98579a7..adbb7e7ad 100644
--- a/mirai-core/src/commonMain/kotlin/utils/type.kt
+++ b/mirai-core/src/commonMain/kotlin/utils/type.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:JvmName("Utils")
diff --git a/mirai-core/src/commonTest/kotlin/PlatformUtilsTest.kt b/mirai-core/src/commonTest/kotlin/PlatformUtilsTest.kt
index 8787af920..1f7d659d0 100644
--- a/mirai-core/src/commonTest/kotlin/PlatformUtilsTest.kt
+++ b/mirai-core/src/commonTest/kotlin/PlatformUtilsTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.internal.utils
 
diff --git a/mirai-core/src/commonTest/kotlin/TypeConversionTest.kt b/mirai-core/src/commonTest/kotlin/TypeConversionTest.kt
index 2b383c996..a09c873a7 100644
--- a/mirai-core/src/commonTest/kotlin/TypeConversionTest.kt
+++ b/mirai-core/src/commonTest/kotlin/TypeConversionTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.internal.utils
 
diff --git a/mirai-core/src/commonTest/kotlin/samples/CustomMessageSamples.kt b/mirai-core/src/commonTest/kotlin/samples/CustomMessageSamples.kt
index 9b16f58e1..339d62607 100644
--- a/mirai-core/src/commonTest/kotlin/samples/CustomMessageSamples.kt
+++ b/mirai-core/src/commonTest/kotlin/samples/CustomMessageSamples.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("EXPERIMENTAL_API_USAGE", "EXPERIMENTAL_OVERRIDE")
diff --git a/mirai-core/src/commonTest/kotlin/test/printing.kt b/mirai-core/src/commonTest/kotlin/test/printing.kt
index 63f3c05e0..285925a4f 100644
--- a/mirai-core/src/commonTest/kotlin/test/printing.kt
+++ b/mirai-core/src/commonTest/kotlin/test/printing.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("NOTHING_TO_INLINE")
diff --git a/mirai-core/src/jvmMain/kotlin/QQAndroid.kt b/mirai-core/src/jvmMain/kotlin/BotFactoryImpl.kt
similarity index 71%
rename from mirai-core/src/jvmMain/kotlin/QQAndroid.kt
rename to mirai-core/src/jvmMain/kotlin/BotFactoryImpl.kt
index d798e4d71..80e269c93 100644
--- a/mirai-core/src/jvmMain/kotlin/QQAndroid.kt
+++ b/mirai-core/src/jvmMain/kotlin/BotFactoryImpl.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("FunctionName", "OverridingDeprecatedMember")
 
@@ -12,7 +12,7 @@ package net.mamoe.mirai.internal
 
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.BotFactory
-import net.mamoe.mirai.internal.QQAndroid.Bot
+import net.mamoe.mirai.internal.BotFactoryImpl.Bot
 import net.mamoe.mirai.utils.BotConfiguration
 import net.mamoe.mirai.utils.Context
 
@@ -20,7 +20,7 @@ import net.mamoe.mirai.utils.Context
  * QQ for Android
  */
 @Suppress("INAPPLICABLE_JVM_NAME")
-actual object QQAndroid : BotFactory {
+actual object BotFactoryImpl : BotFactory {
 
     /**
      * 使用指定的 [配置][configuration] 构造 [Bot] 实例
@@ -34,7 +34,7 @@ actual object QQAndroid : BotFactory {
      * 使用指定的 [配置][configuration] 构造 [Bot] 实例
      */
     @JvmName("newBot")
-    fun Bot(qq: Long, password: String, configuration: BotConfiguration = BotConfiguration.Default): Bot =
+    override fun Bot(qq: Long, password: String, configuration: BotConfiguration): Bot =
         QQAndroidBot(BotAccount(qq, password), configuration)
 
     /**
@@ -52,7 +52,7 @@ actual object QQAndroid : BotFactory {
      * 使用指定的 [配置][configuration] 构造 [Bot] 实例
      */
     @JvmName("newBot")
-    fun Bot(
+    override fun Bot(
         qq: Long,
         passwordMd5: ByteArray,
         configuration: BotConfiguration
@@ -62,5 +62,5 @@ actual object QQAndroid : BotFactory {
 /**
  * 使用指定的 [配置][configuration] 构造 [Bot] 实例
  */
-inline fun QQAndroid.Bot(qq: Long, password: String, configuration: (BotConfiguration.() -> Unit)): Bot =
+inline fun BotFactoryImpl.Bot(qq: Long, password: String, configuration: (BotConfiguration.() -> Unit)): Bot =
     this.Bot(qq, password, BotConfiguration().apply(configuration))
\ No newline at end of file
diff --git a/mirai-core/src/jvmMain/kotlin/QQAndroidBot.jvm.kt b/mirai-core/src/jvmMain/kotlin/QQAndroidBot.jvm.kt
index 2d2610f14..006dda379 100644
--- a/mirai-core/src/jvmMain/kotlin/QQAndroidBot.jvm.kt
+++ b/mirai-core/src/jvmMain/kotlin/QQAndroidBot.jvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.internal
 
diff --git a/mirai-core/src/jvmMain/kotlin/utils/LinkedList.kt b/mirai-core/src/jvmMain/kotlin/utils/LinkedList.kt
index c0cc2637e..1bbd954b4 100644
--- a/mirai-core/src/jvmMain/kotlin/utils/LinkedList.kt
+++ b/mirai-core/src/jvmMain/kotlin/utils/LinkedList.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 package net.mamoe.mirai.internal.utils
 
diff --git a/mirai-core/src/jvmMain/kotlin/utils/MiraiPlatformUtils.kt b/mirai-core/src/jvmMain/kotlin/utils/MiraiPlatformUtils.kt
index cb48a01e7..734e46c9b 100644
--- a/mirai-core/src/jvmMain/kotlin/utils/MiraiPlatformUtils.kt
+++ b/mirai-core/src/jvmMain/kotlin/utils/MiraiPlatformUtils.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 @file:Suppress("NOTHING_TO_INLINE")
diff --git a/mirai-core/src/jvmMain/kotlin/utils/PlatformSocket.kt b/mirai-core/src/jvmMain/kotlin/utils/PlatformSocket.kt
index 7b0a82250..610eb42d9 100644
--- a/mirai-core/src/jvmMain/kotlin/utils/PlatformSocket.kt
+++ b/mirai-core/src/jvmMain/kotlin/utils/PlatformSocket.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/jvmMain/kotlin/utils/PlatformSocketJvm.kt b/mirai-core/src/jvmMain/kotlin/utils/PlatformSocketJvm.kt
index fc51d9817..07fba68c4 100644
--- a/mirai-core/src/jvmMain/kotlin/utils/PlatformSocketJvm.kt
+++ b/mirai-core/src/jvmMain/kotlin/utils/PlatformSocketJvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/jvmMain/kotlin/utils/addSuppressedMirai.kt b/mirai-core/src/jvmMain/kotlin/utils/addSuppressedMirai.kt
index c21ab4440..36cfa2464 100644
--- a/mirai-core/src/jvmMain/kotlin/utils/addSuppressedMirai.kt
+++ b/mirai-core/src/jvmMain/kotlin/utils/addSuppressedMirai.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/jvmMain/kotlin/utils/cryptor/ECDHJvm.kt b/mirai-core/src/jvmMain/kotlin/utils/cryptor/ECDHJvm.kt
index 8e307762b..c4558e463 100644
--- a/mirai-core/src/jvmMain/kotlin/utils/cryptor/ECDHJvm.kt
+++ b/mirai-core/src/jvmMain/kotlin/utils/cryptor/ECDHJvm.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils.cryptor
diff --git a/mirai-core/src/jvmMain/kotlin/utils/setVisible.kt b/mirai-core/src/jvmMain/kotlin/utils/setVisible.kt
index 741d9252c..10de59387 100644
--- a/mirai-core/src/jvmMain/kotlin/utils/setVisible.kt
+++ b/mirai-core/src/jvmMain/kotlin/utils/setVisible.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.internal.utils
diff --git a/mirai-core/src/jvmTest/java/net/mamoe/mirai/javatest/SimpleListenerHostTest.java b/mirai-core/src/jvmTest/java/net/mamoe/mirai/javatest/SimpleListenerHostTest.java
index faf12d2b5..6d32a221c 100644
--- a/mirai-core/src/jvmTest/java/net/mamoe/mirai/javatest/SimpleListenerHostTest.java
+++ b/mirai-core/src/jvmTest/java/net/mamoe/mirai/javatest/SimpleListenerHostTest.java
@@ -1,12 +1,10 @@
 /*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- *  * Copyright 2020 Mamoe Technologies and contributors.
- *  *
- *  * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- *  * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
- *  *
- *  * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 package net.mamoe.mirai.javatest;
diff --git a/mirai-core/src/jvmTest/kotlin/AtomicResizeCacheListTest.kt b/mirai-core/src/jvmTest/kotlin/AtomicResizeCacheListTest.kt
index 8fe377528..157d298b9 100644
--- a/mirai-core/src/jvmTest/kotlin/AtomicResizeCacheListTest.kt
+++ b/mirai-core/src/jvmTest/kotlin/AtomicResizeCacheListTest.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2020 Mamoe Technologies and contributors.
  *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
 /*
diff --git a/mirai-core/src/main/AndroidManifest.xml b/mirai-core/src/main/AndroidManifest.xml
index b1d2174fb..d7ceff5df 100644
--- a/mirai-core/src/main/AndroidManifest.xml
+++ b/mirai-core/src/main/AndroidManifest.xml
@@ -1,4 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2019-2020 Mamoe Technologies and contributors.
+  ~
+  ~  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+  ~  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+  ~
+  ~  https://github.com/mamoe/mirai/blob/master/LICENSE
+  -->
+
 <manifest package="net.mamoe.mirai.internal" xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
     <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
diff --git a/settings.gradle.kts b/settings.gradle.kts
index fb3abcb78..159bf6401 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
 pluginManagement {
     repositories {
         mavenLocal()