diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/plugin/internal/JarPluginLoaderImpl.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/plugin/internal/JarPluginLoaderImpl.kt
index 6a896a22d..df0327f91 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/plugin/internal/JarPluginLoaderImpl.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/plugin/internal/JarPluginLoaderImpl.kt
@@ -1,5 +1,13 @@
-package net.mamoe.mirai.console.plugin.internal
+/*
+ * 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
+ */
 
+package net.mamoe.mirai.console.plugin.internal
 
 import kotlinx.coroutines.*
 import net.mamoe.mirai.console.MiraiConsole
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/SettingStorage.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/SettingStorage.kt
index 491758165..e629ece14 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/SettingStorage.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/SettingStorage.kt
@@ -1,3 +1,12 @@
+/*
+ * 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
+ */
+
 @file:Suppress("NOTHING_TO_INLINE", "UNCHECKED_CAST", "unused")
 
 package net.mamoe.mirai.console.setting
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/internal/asKClass.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/internal/asKClass.kt
index 7ae4d8c43..9cf257fc1 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/internal/asKClass.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/internal/asKClass.kt
@@ -1,3 +1,12 @@
+/*
+ * 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
+ */
+
 package net.mamoe.mirai.console.setting.internal
 
 import net.mamoe.mirai.console.command.internal.qualifiedNameOrTip
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/utils/JavaFriendlyAPI.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/utils/JavaFriendlyAPI.kt
index 84dfe1406..ea93faeca 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/utils/JavaFriendlyAPI.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/utils/JavaFriendlyAPI.kt
@@ -1,3 +1,12 @@
+/*
+ * 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
+ */
+
 package net.mamoe.mirai.console.utils
 
 import kotlin.annotation.AnnotationTarget.*
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/utils/ResourceContainer.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/utils/ResourceContainer.kt
index 1f95b35b7..2ae5fe526 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/utils/ResourceContainer.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/utils/ResourceContainer.kt
@@ -1,3 +1,12 @@
+/*
+ * 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
+ */
+
 @file:Suppress("unused")
 
 package net.mamoe.mirai.console.utils