diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 10bc276..8b9e862 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -47,7 +47,7 @@
         <service
             android:name=".QuickSendTileService"
             android:exported="true"
-            android:icon="@mipmap/ic_launcher"
+            android:icon="@drawable/ic_quick_send_tile"
             android:label="文本同步"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">
             <intent-filter>
diff --git a/android/app/src/main/kotlin/com/wirelesstextsyncer/wireless_text_syncer_android/ConnectionService.kt b/android/app/src/main/kotlin/com/wirelesstextsyncer/wireless_text_syncer_android/ConnectionService.kt
index c790787..f1f7dcb 100644
--- a/android/app/src/main/kotlin/com/wirelesstextsyncer/wireless_text_syncer_android/ConnectionService.kt
+++ b/android/app/src/main/kotlin/com/wirelesstextsyncer/wireless_text_syncer_android/ConnectionService.kt
@@ -221,9 +221,27 @@ class ConnectionService : Service() {
                 return false
             }
 
+            return sendAction(socket, "replaceAll", text)
+        }
+
+        fun sendEnter(): Boolean {
+            Log.d("WTS", "ConnectionService.sendEnter connected=${state.connected}")
+            val socket = currentSocket ?: return false
+            if (!state.connected) {
+                return false
+            }
+
+            return sendAction(socket, "enter", null)
+        }
+
+        private fun sendAction(socket: WebSocket, action: String, text: String?): Boolean {
             val payload = JSONObject()
-                .put("action", "replaceAll")
-                .put("text", text)
+                .put("action", action)
+                .apply {
+                    if (text != null) {
+                        put("text", text)
+                    }
+                }
                 .toString()
             return socket.send(payload)
         }
diff --git a/android/app/src/main/kotlin/com/wirelesstextsyncer/wireless_text_syncer_android/MainActivity.kt b/android/app/src/main/kotlin/com/wirelesstextsyncer/wireless_text_syncer_android/MainActivity.kt
index 2578932..0f3e180 100644
--- a/android/app/src/main/kotlin/com/wirelesstextsyncer/wireless_text_syncer_android/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/wirelesstextsyncer/wireless_text_syncer_android/MainActivity.kt
@@ -45,6 +45,10 @@ class MainActivity : FlutterActivity() {
                         Log.d(tag, "MethodChannel sendText length=${text.length}")
                         result.success(ConnectionService.sendText(text))
                     }
+                    "sendEnter" -> {
+                        Log.d(tag, "MethodChannel sendEnter")
+                        result.success(ConnectionService.sendEnter())
+                    }
                     "getState" -> {
                         Log.d(tag, "MethodChannel getState")
                         result.success(ConnectionService.stateMap())
diff --git a/android/app/src/main/res/drawable-nodpi/app_icon_source.png b/android/app/src/main/res/drawable-nodpi/app_icon_source.png
new file mode 100644
index 0000000..4518271
Binary files /dev/null and b/android/app/src/main/res/drawable-nodpi/app_icon_source.png differ
diff --git a/android/app/src/main/res/drawable-nodpi/ic_quick_send_tile.png b/android/app/src/main/res/drawable-nodpi/ic_quick_send_tile.png
new file mode 100644
index 0000000..0fe945f
Binary files /dev/null and b/android/app/src/main/res/drawable-nodpi/ic_quick_send_tile.png differ
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
index db77bb4..f816e09 100644
Binary files a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
index 17987b7..71e8177 100644
Binary files a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index 09d4391..9e30770 100644
Binary files a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index d5f1c8d..ed15640 100644
Binary files a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index 4d6372e..1ddcd85 100644
Binary files a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/lib/main.dart b/lib/main.dart
index 99ee0d6..5150cf7 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -123,6 +123,11 @@ class NativeConnectionApi {
     return result ?? false;
   }
 
+  Future<bool> sendEnter() async {
+    final result = await _methodChannel.invokeMethod<bool>('sendEnter');
+    return result ?? false;
+  }
+
   Future<List<DiscoveredDevice>> startDiscovery() async {
     try {
       final result = await _methodChannel.invokeListMethod<dynamic>(
@@ -341,15 +346,14 @@ class _InputSyncPageState extends State<InputSyncPage>
     }
 
     final draft = inputController.text;
-    final textToSend = appendEnter ? '$draft\n' : draft;
-
     setState(() {
       sendButtonState = SendButtonState.sending;
     });
 
     try {
-      final sent = await api.sendText(textToSend);
-      if (!sent) {
+      final sent = await api.sendText(draft);
+      final enterSent = !sent || !appendEnter ? true : await api.sendEnter();
+      if (!sent || !enterSent) {
         _showToast('发送失败，连接已断开');
         setState(() {
           sendButtonState = SendButtonState.idle;