先commit，明天测下控制中心

android/app/src/main/res/raw/keep.xml

@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools"
-    tools:keep="@drawable/ic_previous,@drawable/ic_next,@drawable/ic_play,@drawable/ic_pause" />
+    tools:keep="@drawable/*" />

lib/audio/playback_state_manager.dart

@@ -20,20 +20,20 @@ class PlaybackStateManager {
   // lib/audio/playback_state_manager.dart
   audio_service.PlaybackState get playbackState {
     final playControl = audio_service.MediaControl(
-      androidIcon: _playing ? '@drawable/ic_pause' : '@drawable/ic_play',
+      androidIcon: _playing ? 'ic_pause' : 'ic_play',
       label: _playing ? '暂停' : '播放',
       action: audio_service.MediaAction.playPause,
     );
 
     final controls = [
       audio_service.MediaControl(
-        androidIcon: '@drawable/ic_previous', // 上一首
+        androidIcon: 'ic_previous', // 上一首
         label: '上一曲',
         action: audio_service.MediaAction.skipToPrevious,
       ),
       playControl,
       audio_service.MediaControl(
-        androidIcon: '@drawable/ic_next', // 下一首
+        androidIcon: 'ic_next', // 下一首
         label: '下一曲',
         action: audio_service.MediaAction.skipToNext,
       ),