主界面添加，许多bug修复。祝贺黑盒1如期开始

Assets/scripts/Audio/BgmUiBinder.cs

@@ -4,6 +4,7 @@ using UnityEngine;
 using UnityEngine.UI;
 using TMPro;
 using UnityEngine.SceneManagement;
+using UnityEngine.Audio;
 using Object = UnityEngine.Object;
 
 [ExecuteAlways]
@@ -61,6 +62,9 @@ public class BgmUiBinder : MonoBehaviour
     public Vector2 pointerEndPos = new Vector2(195.3f, -87.05f);
     public Vector2 spectrumPosition = new Vector2(-238.9f, -111.5f);
 
+    [Header("Audio")]
+    public AudioMixerGroup outputMixerGroup;
+
     private readonly List<TMP_Text> timeTmps = new List<TMP_Text>();
     private readonly List<Text> timeTexts = new List<Text>();
 
@@ -104,6 +108,8 @@ public class BgmUiBinder : MonoBehaviour
         if (Application.isPlaying)
         {
             var mgr = BgmPlaybackManager.EnsureInstance();
+            if (outputMixerGroup != null)
+                mgr.outputMixerGroup = outputMixerGroup;
             mgr.EnsurePlaying();
         }
     }
@@ -129,6 +135,11 @@ public class BgmUiBinder : MonoBehaviour
 
         Canvas sceneCanvas = FindSceneCanvas();
         var controller = Object.FindAnyObjectByType<btmandtopController>();
+        if (controller != null && controller.bgmMixerGroup != null)
+        {
+            outputMixerGroup = controller.bgmMixerGroup;
+        }
+
         if (controller != null && controller.musicPicRoot != null)
         {
             SetMusicRoot(controller.musicPicRoot, sceneCanvas);