修了很多bug和增加功能，优化不少问题

Assets/audioMixer/AM.mixer

@@ -1,5 +1,19 @@
 %YAML 1.1
 %TAG !u! tag:unity3d.com,2011:
+--- !u!244 &-9123362994821025597
+AudioMixerEffectController:
+  m_ObjectHideFlags: 3
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: 
+  m_EffectID: c20a59a1a8f9e5b4694d9682b849dfc9
+  m_EffectName: Attenuation
+  m_MixLevel: 126f26524033b6c488c5ffd4cf13fa6b
+  m_Parameters: []
+  m_SendTarget: {fileID: 0}
+  m_EnableWetMix: 0
+  m_Bypass: 0
 --- !u!244 &-4336404923181504537
 AudioMixerEffectController:
   m_ObjectHideFlags: 3
@@ -46,7 +60,26 @@ AudioMixerGroupController:
   m_Effects:
   - {fileID: -4336404923181504537}
   - {fileID: -3568019424065126385}
-  m_UserColorIndex: 0
+  m_UserColorIndex: 7
+  m_Mute: 0
+  m_Solo: 0
+  m_BypassEffects: 0
+--- !u!243 &-1352833484795664833
+AudioMixerGroupController:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: outGaneMusic
+  m_AudioMixer: {fileID: 24100000}
+  m_GroupID: 97555408c2f93d34b844a417a74414b5
+  m_Children: []
+  m_Volume: 338d4d9d0c79aab44b8ef20293542dc3
+  m_Pitch: abc52c96dfd93554fb84efd78082f137
+  m_Send: 00000000000000000000000000000000
+  m_Effects:
+  - {fileID: 8242449744353774143}
+  m_UserColorIndex: 7
   m_Mute: 0
   m_Solo: 0
   m_BypassEffects: 0
@@ -72,6 +105,8 @@ AudioMixerController:
   - guids:
     - 1529ad54cf74b5f4985b087ec1fd1e7f
     - 5ce66f33d1c4da3449e7730acd25016f
+    - d9a63daba1672a0458dc3907fc7d4e8a
+    - 97555408c2f93d34b844a417a74414b5
     name: View
   m_CurrentViewIndex: 0
   m_TargetSnapshot: {fileID: 24500006}
@@ -86,12 +121,14 @@ AudioMixerGroupController:
   m_GroupID: 1529ad54cf74b5f4985b087ec1fd1e7f
   m_Children:
   - {fileID: -3410164847719328555}
+  - {fileID: -1352833484795664833}
+  - {fileID: 1093805632889632471}
   m_Volume: c8c70230870be5e48bb845dfafee9376
   m_Pitch: 6b6b95e31a7b02a49938315306b8e45e
   m_Send: 00000000000000000000000000000000
   m_Effects:
   - {fileID: 24400004}
-  m_UserColorIndex: 0
+  m_UserColorIndex: 3
   m_Mute: 0
   m_Solo: 0
   m_BypassEffects: 0
@@ -122,3 +159,36 @@ AudioMixerSnapshotController:
     1826d8c242a46b747b9da7c8ff69b763: 10
     ce3258f91b866164eaf36af72a73f87a: 22000
   m_TransitionOverrides: {}
+--- !u!243 &1093805632889632471
+AudioMixerGroupController:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: noteHit_sfx
+  m_AudioMixer: {fileID: 24100000}
+  m_GroupID: d9a63daba1672a0458dc3907fc7d4e8a
+  m_Children: []
+  m_Volume: 601105d9f81bd9543aa6e21f74bb52b0
+  m_Pitch: 4898bd6fb27899541ba15ad777e0dad8
+  m_Send: 00000000000000000000000000000000
+  m_Effects:
+  - {fileID: -9123362994821025597}
+  m_UserColorIndex: 6
+  m_Mute: 0
+  m_Solo: 0
+  m_BypassEffects: 0
+--- !u!244 &8242449744353774143
+AudioMixerEffectController:
+  m_ObjectHideFlags: 3
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: 
+  m_EffectID: a6deb7a45fc0a4f4ca5c56e326391572
+  m_EffectName: Attenuation
+  m_MixLevel: b1a50f10ebac28945a59555f2cf29dbc
+  m_Parameters: []
+  m_SendTarget: {fileID: 0}
+  m_EnableWetMix: 0
+  m_Bypass: 0