diff --git a/Assets/Scripts/UI/PageController.cs b/Assets/Scripts/UI/PageController.cs
index 8496f6e..dfa7ba4 100644
--- a/Assets/Scripts/UI/PageController.cs
+++ b/Assets/Scripts/UI/PageController.cs
@@ -142,10 +142,6 @@ public class PageController : MonoBehaviour
 
         if (_uiManager != null) _uiManager.enabled = (page == Page.Experiment);
         // 背景音乐: 首页播 homeBg, 选固定方式时停, 实验启动时播 experimentBg
-        if (page == Page.Home) PlayHomeBg();
-        // 背景音乐控制
-        if (page == Page.Home) PlayHomeBg();
-        else if (page != Page.Experiment) StopBgMusic();
     }
 
     private void PlayHomeBg()
@@ -377,30 +373,4 @@ public class PageController : MonoBehaviour
     private AudioSource _bgAudioSource;
 
 
-    private void PlayHomeBg()
-    {
-        if (_bgAudioSource == null) _bgAudioSource = gameObject.AddComponent<AudioSource>();
-        _bgAudioSource.loop = true;
-        _bgAudioSource.playOnAwake = false;
-        if (_homeBgClip != null && _bgAudioSource.clip != _homeBgClip)
-        {
-            _bgAudioSource.clip = _homeBgClip;
-            _bgAudioSource.Play();
-            Debug.Log("PageController: 播放首页背景音乐");
-        }
-    }
-
-    private void StopBgMusic()
-    {
-        if (_bgAudioSource != null && _bgAudioSource.isPlaying) { _bgAudioSource.Stop(); Debug.Log("PageController: 停止背景音乐"); }
-    }
-
-    private void PlayExperimentBg()
-    {
-        StopBgMusic();
-        if (_bgAudioSource == null) _bgAudioSource = gameObject.AddComponent<AudioSource>();
-        _bgAudioSource.loop = true;
-        _bgAudioSource.playOnAwake = false;
-        if (_experimentBgClip != null) { _bgAudioSource.clip = _experimentBgClip; _bgAudioSource.Play(); Debug.Log("PageController: 播放实验背景音乐"); }
-    }
 }