更新了部分逻辑

lib/services/audio_player_handler.dart

@@ -10,11 +10,13 @@ class AudioPlayerHandler extends BaseAudioHandler {
   AudioPlayerHandler() {
     _localAudio = local_audio.AudioService();
 
+    // 监听播放状态
     _playback.player.stream.playing.listen((playing) {
       _updatePlaybackState(playing: playing);
       _syncMediaItem();
     });
 
+    // 监听播放完成 → 自动下一首
     _playback.player.stream.completed.listen((_) {
       debugPrint('🎵 [handler] playback completed, auto next');
       _localAudio.next();
@@ -22,6 +24,7 @@ class AudioPlayerHandler extends BaseAudioHandler {
       _syncMediaItem();
     });
 
+    // 监听时长变化 → 更新 MediaItem
     _playback.player.stream.duration.listen((duration) {
       final current = mediaItem.value;
       if (current != null && current.duration != duration) {
@@ -32,9 +35,8 @@ class AudioPlayerHandler extends BaseAudioHandler {
 
   void _syncMediaItem() {
     final song = _localAudio.currentSong;
-    debugPrint(
-        '🎵 [handler] _syncMediaItem: currentSong = ${song?.title ?? "null"}');
     if (song != null) {
+      debugPrint('🎵 [handler] syncing media item: ${song.title}');
       mediaItem.add(MediaItem(
         id: song.id,
         title: song.title,
@@ -123,34 +125,40 @@ class AudioPlayerHandler extends BaseAudioHandler {
     _syncMediaItem();
   }
 
+  // ⭐ 核心修复：正确区分 play 和 pause
   @override
   Future<void> click([MediaButton button = MediaButton.media]) async {
-    debugPrint(
-        '🎵 [audio_service] click(): ${button.name} (index: ${button.index})');
+    debugPrint('🎵 [audio_service] click(): ${button.name} (index: ${button.index})');
 
     final name = button.name.toLowerCase();
 
-    if (name.contains('play') || name.contains('media')) {
-      debugPrint('🎵 → play() via click');
-      await play();
-      return;
-    }
+    // ⭐ 优先处理 pause（蓝牙 PAUSE 会进入这里）
     if (name.contains('pause')) {
-      debugPrint('🎵 → pause() via click');
+      debugPrint('🎵 → pause()');
       await pause();
       return;
     }
+
+    // 处理 play（包括 media 类型的按钮）
+    if (name.contains('play') || name.contains('media')) {
+      debugPrint('🎵 → play()');
+      await play();
+      return;
+    }
+
     if (name.contains('next') || name.contains('skip_next')) {
-      debugPrint('🎵 → skipToNext() via click');
+      debugPrint('🎵 → skipToNext()');
       await skipToNext();
       return;
     }
+
     if (name.contains('previous') || name.contains('skip_previous')) {
-      debugPrint('🎵 → skipToPrevious() via click');
+      debugPrint('🎵 → skipToPrevious()');
       await skipToPrevious();
       return;
     }
 
+    // fallback：根据当前播放状态 toggle
     debugPrint('🎵 → fallback toggle');
     if (_playback.player.state.playing) {
       await pause();
@@ -158,4 +166,4 @@ class AudioPlayerHandler extends BaseAudioHandler {
       await play();
     }
   }
-}
+}