diff --git a/Assets/Scripts/UI/PageController.cs b/Assets/Scripts/UI/PageController.cs
index f0e4ace..bffc91a 100644
--- a/Assets/Scripts/UI/PageController.cs
+++ b/Assets/Scripts/UI/PageController.cs
@@ -335,11 +335,9 @@ public class PageController : MonoBehaviour
     private void StopBgMusic()
     {
         if (_fadeCoroutine != null) { StopCoroutine(_fadeCoroutine); _fadeCoroutine = null; }
-        if (_bgAudioSource != null)
-        {
-            _bgAudioSource.Stop();
-            Debug.Log("PageController: 停止背景音乐");
-        }
+        var allSrcs = gameObject.GetComponents<AudioSource>();
+        foreach (var s in allSrcs) { if (s != null) s.Stop(); }
+        Debug.Log("PageController: 停止背景音乐 (共" + allSrcs.Length + "个AudioSource)");
     }
 
     private void PlayExperimentBg()