diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b92b21c30..bab6164fc 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,6 +16,12 @@ mirai 欢迎一切形式的代码贡献。你可以通过以下几种途径向 m
 
 ### 能做什么?
 
+#### 分支
+
+- `master`: 最新稳定版
+- `1.x`: 1.x 现有版本的开发
+- `dev`: 2.0 重构版本的开发
+
 **请基于 `master` 分支进行文档修改; 基于 `dev` 分支进行其他修改 (否则你的修改可能被关闭或不会立即合并)**
 
 - 代码优化: 优化任何功能设计或实现, 或是引入一个新的设计（请先通过 issue 与维护者达成共识）
diff --git a/build.gradle.kts b/build.gradle.kts
index ec482f51e..abc80e711 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -118,6 +118,7 @@ subprojects {
             }
         }
 
+        /*
         val shadowJarMd5 = tasks.register("shadowJarMd5") {
             dependsOn("shadowJvmJar")
 
@@ -140,6 +141,7 @@ subprojects {
             tasks.getByName("publish").dependsOn(this)
             tasks.getByName("bintrayUpload").dependsOn(this)
         }.get()
+        */
 
         val githubUpload by tasks.creating {
             group = "mirai"
diff --git a/buildSrc/src/main/kotlin/PublishingHelpers.kt b/buildSrc/src/main/kotlin/PublishingHelpers.kt
index 884eab575..ed44db5c8 100644
--- a/buildSrc/src/main/kotlin/PublishingHelpers.kt
+++ b/buildSrc/src/main/kotlin/PublishingHelpers.kt
@@ -73,6 +73,7 @@ inline fun Project.setupPublishing(
 
     // afterEvaluate {
 
+    /*
     val shadowJar = tasks.filterIsInstance<ShadowJar>().firstOrNull() ?: return//@afterEvaluate
 
     tasks.register("shadowJarMd5") {
@@ -97,6 +98,7 @@ inline fun Project.setupPublishing(
         tasks.getByName("publish").dependsOn(this)
         tasks.getByName("bintrayUpload").dependsOn(this)
     }
+    */
 
     if (Bintray.isBintrayAvailable(project)) {
         bintray {
@@ -136,11 +138,13 @@ inline fun Project.setupPublishing(
             publications {
                 register("mavenJava", MavenPublication::class) {
                     from(components["java"])
+                    /*
                     afterEvaluate {
                         for (file in tasks.getByName("shadowJarMd5").outputs.files) {
                             artifact(provider { file })
                         }
                     }
+                    */
 
                     groupId = rootProject.group.toString()
                     this.artifactId = artifactId
diff --git a/gradle/publish.gradle b/gradle/publish.gradle
index e062df133..9c9c7b62c 100644
--- a/gradle/publish.gradle
+++ b/gradle/publish.gradle
@@ -123,10 +123,12 @@ afterEvaluate {
 
                 case 'jvm':
                     it.artifactId = isKotlin137x ? "$variantName" : "$variantName-jvm"
+                    /*
                     def files = tasks.getByName("shadowJarMd5").outputs.files + tasks.getByName("shadowJvmJar").outputs.files
                     for (f in files) {
                         artifact f
                     }
+                    */
                     break
 
                 case 'js':
diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/chat/receive/MessageSvc.PbGetMsg.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/chat/receive/MessageSvc.PbGetMsg.kt
index d2a0a9c59..719a09dde 100644
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/chat/receive/MessageSvc.PbGetMsg.kt
+++ b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/chat/receive/MessageSvc.PbGetMsg.kt
@@ -328,9 +328,12 @@ internal object MessageSvcPbGetMsg : OutgoingPacketFactory<MessageSvcPbGetMsg.Re
                         if (!bot.firstLoginSucceed) {
                             return@mapNotNull null
                         }
-
                         friend.lastMessageSequence.loop {
-                            if (friend.lastMessageSequence.compareAndSet(it, msg.msgHead.msgSeq)) {
+                            if (friend.lastMessageSequence.compareAndSet(
+                                    it,
+                                    msg.msgHead.msgSeq
+                                ) && msg.contentHead?.autoReply != 1
+                            ) {
                                 return@mapNotNull FriendMessageEvent(
                                     friend,
                                     msg.toMessageChain(bot, groupIdOrZero = 0, onlineSource = true),
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/LoginSolver.jvm.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/LoginSolver.jvm.kt
index 86e0a8b0b..45a50ad84 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/LoginSolver.jvm.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/LoginSolver.jvm.kt
@@ -95,7 +95,7 @@ public class StandardCharImageLoginSolver(
                     if (img == null) {
                         logger.info("无法创建字符图片. 请查看文件")
                     } else {
-                        logger.info(img.createCharImg())
+                        logger.info("\n" + img.createCharImg())
                     }
                 } catch (throwable: Throwable) {
                     logger.info("创建字符图片时出错($throwable)。请查看文件")
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/WindowHelperJvm.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/WindowHelperJvm.kt
index b0f5cc082..315a438fe 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/WindowHelperJvm.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/WindowHelperJvm.kt
@@ -16,25 +16,66 @@ package net.mamoe.mirai.utils
 import kotlinx.coroutines.CompletableDeferred
 import java.awt.BorderLayout
 import java.awt.Desktop
+import java.awt.Dimension
+import java.awt.Toolkit
 import java.awt.event.KeyEvent
 import java.awt.event.KeyListener
 import java.awt.event.WindowAdapter
 import java.awt.event.WindowEvent
+import java.awt.image.BufferedImage
+import java.io.File
+import javax.imageio.ImageIO
 import javax.swing.JFrame
 import javax.swing.JTextField
 import javax.swing.SwingUtilities
 
 // 隔离类代码
+@Suppress("DEPRECATION")
 internal object WindowHelperJvm {
-    internal val isDesktopSupported: Boolean =
-        kotlin.runCatching {
-            System.getProperty("mirai.no-desktop") === null && Desktop.isDesktopSupported()
-        }.getOrElse {
+    internal val isDesktopSupported: Boolean = kotlin.run {
+        if (System.getProperty("mirai.no-desktop") === null) {
+            kotlin.runCatching {
+                Class.forName("java.awt.Desktop")
+                Class.forName("java.awt.Toolkit")
+            }.onFailure { return@run false } // Android OS
+            kotlin.runCatching {
+                Toolkit.getDefaultToolkit()
+            }.onFailure { // AWT Error, #270
+                return@run false
+            }
+            kotlin.runCatching {
+                Desktop.isDesktopSupported().also { stat ->
+                    if (stat) {
+                        MiraiLogger.info(
+                            """
+                                Mirai 正在使用桌面环境,
+                                如果你正在使用SSH, 或无法访问桌面等,
+                                请将 `mirai.no-desktop` 添加到 JVM 系统属性中 (-Dmirai.no-desktop)
+                                然后重启 Mirai
+                            """.trimIndent()
+                        )
+                        MiraiLogger.info(
+                            """
+                                Mirai using DesktopCaptcha System.
+                                If you are running on SSH, cannot access desktop or more.
+                                Please add `mirai.no-desktop` to JVM properties (-Dmirai.no-desktop)
+                                Then restart mirai
+                            """.trimIndent()
+                        )
+                    }
+                }
+            }.getOrElse {
+                // Should not happen
+                MiraiLogger.warning("Exception in checking desktop support.", it)
+                false
+            }
+        } else {
             false
         }
+    }
 }
 
-internal class WindowInitialzier(private val initializer: WindowInitialzier.(JFrame) -> Unit) {
+internal class WindowInitializer(private val initializer: WindowInitializer.(JFrame) -> Unit) {
     private lateinit var frame0: JFrame
     val frame: JFrame get() = frame0
     fun java.awt.Component.append() {
@@ -51,12 +92,20 @@ internal class WindowInitialzier(private val initializer: WindowInitialzier.(JFr
     }
 }
 
-internal suspend fun openWindow(title: String = "", initializer: WindowInitialzier.(JFrame) -> Unit = {}): String {
-    return openWindow(title, WindowInitialzier(initializer))
+internal val windowIcon: BufferedImage? by lazy {
+    WindowHelperJvm::class.java.getResourceAsStream("project-mirai.png")?.use {
+        ImageIO.read(it)
+    }
 }
 
-internal suspend fun openWindow(title: String = "", initializer: WindowInitialzier = WindowInitialzier {}): String {
+internal suspend fun openWindow(title: String = "", initializer: WindowInitializer.(JFrame) -> Unit = {}): String {
+    return openWindow(title, WindowInitializer(initializer))
+}
+
+internal suspend fun openWindow(title: String = "", initializer: WindowInitializer = WindowInitializer {}): String {
     val frame = JFrame()
+    frame.iconImage = windowIcon
+    frame.minimumSize = Dimension(228, 62) // From Windows 10
     val value = JTextField()
     val def = CompletableDeferred<String>()
     value.addKeyListener(object : KeyListener {
@@ -89,9 +138,9 @@ internal suspend fun openWindow(title: String = "", initializer: WindowInitialzi
     frame.title = title
     frame.isVisible = true
 
-    val result = def.await().trim()
-    SwingUtilities.invokeLater {
-        frame.dispose()
+    return def.await().trim().also {
+        SwingUtilities.invokeLater {
+            frame.dispose()
+        }
     }
-    return result
 }
diff --git a/mirai-core/src/jvmMain/resources/net/mamoe/mirai/utils/project-mirai.png b/mirai-core/src/jvmMain/resources/net/mamoe/mirai/utils/project-mirai.png
new file mode 100644
index 000000000..eeb3a6aba
Binary files /dev/null and b/mirai-core/src/jvmMain/resources/net/mamoe/mirai/utils/project-mirai.png differ