diff --git a/VideoPlayerForm.cs b/VideoPlayerForm.cs
index 409e4aa..654bf7b 100644
--- a/VideoPlayerForm.cs
+++ b/VideoPlayerForm.cs
@@ -347,7 +347,7 @@ namespace DualScreenDemo
 
             // 音量處理
             //SetVolume(isMuted ? 0 : previousVolume);
-
+            if(isMuted){ Mute(true); }
             SetVolume(100 + song.getBasic().getDbChange());
             if (isSyncToPrimaryMonitor) SyncToPrimaryMonitor();
             return Task.CompletedTask;