diff --git a/PrimaryFormParts/PrimaryForm.SyncScreen.cs b/PrimaryFormParts/PrimaryForm.SyncScreen.cs
index 15ae371..525bb1a 100644
--- a/PrimaryFormParts/PrimaryForm.SyncScreen.cs
+++ b/PrimaryFormParts/PrimaryForm.SyncScreen.cs
@@ -64,8 +64,8 @@ namespace DualScreenDemo
 
             
             
-            
-            ConfigureButton(this.syncOriginalSongButton, 1218, 335, 205, 56, resizedNormalStateImageForSyncScreen, resizedNormalStateImageForSyncScreen, resizedNormalStateImageForSyncScreen, null);
+            // 有人聲入口位置
+            ConfigureButton(this.syncOriginalSongButton, 1218, 335, 205, 56, resizedNormalStateImageForSyncScreen, resizedNormalStateImageForSyncScreen, resizedNormalStateImageForSyncScreen, (sender,e) => videoPlayerForm.ToggleVocalRemoval());