AR以及对战房间部分代码重构

Assets/Resources/UI/Prefab/Panel/GameRoomCountDown.prefab

@@ -18,7 +18,7 @@ GameObject:
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
 --- !u!224 &994686065624044129
 RectTransform:
   m_ObjectHideFlags: 0
@@ -78,7 +78,7 @@ MonoBehaviour:
     m_HorizontalOverflow: 1
     m_VerticalOverflow: 1
     m_LineSpacing: 1
-  m_Text: 6
+  m_Text: 
 --- !u!114 &994686065624044124
 MonoBehaviour:
   m_ObjectHideFlags: 0