备份，准备做双端

Assets/Scenes/Songs_Select.unity

@@ -1516,7 +1516,7 @@ RectTransform:
   m_Father: {fileID: 1819748244}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 0.500001}
+  m_AnchorMax: {x: 1, y: 1}
   m_AnchoredPosition: {x: 0, y: 0}
   m_SizeDelta: {x: 20, y: 20}
   m_Pivot: {x: 0.5, y: 0.5}
@@ -9508,6 +9508,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   targetAspect: 1.7777778
+  lockAspect: 0
 --- !u!1 &786652190
 GameObject:
   m_ObjectHideFlags: 0
@@ -11993,8 +11994,8 @@ MonoBehaviour:
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: 0cd44c1031e13a943bb63640046fad76, type: 3}
-  m_Name:
-  m_EditorClassIdentifier:
+  m_Name: 
+  m_EditorClassIdentifier: 
   m_UiScaleMode: 1
   m_ReferencePixelsPerUnit: 100
   m_ScaleFactor: 1
@@ -12392,7 +12393,7 @@ MonoBehaviour:
   m_HandleRect: {fileID: 104269912}
   m_Direction: 2
   m_Value: 0
-  m_Size: 0.500001
+  m_Size: 1
   m_NumberOfSteps: 0
   m_OnValueChanged:
     m_PersistentCalls: