对战房间下载逻辑完善

Assets/Resources/UI/Prefab/GameRoom/DownloadTask.prefab

@@ -647,6 +647,7 @@ GameObject:
   - component: {fileID: 5639255048692904402}
   - component: {fileID: 3505476227209113529}
   - component: {fileID: 7422091722618645967}
+  - component: {fileID: 8626855822450100284}
   m_Layer: 5
   m_Name: DownloadTask
   m_TagString: Untagged
@@ -788,6 +789,19 @@ MonoBehaviour:
   icon: {fileID: 9077265243619620345}
   done: {fileID: 2833035141730710535}
   doneTxt: {fileID: 2020518104262420434}
+  canvasGroup: {fileID: 8626855822450100284}
+--- !u!225 &8626855822450100284
+CanvasGroup:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6875313112404340189}
+  m_Enabled: 1
+  m_Alpha: 1
+  m_Interactable: 1
+  m_BlocksRaycasts: 1
+  m_IgnoreParentGroups: 0
 --- !u!1 &8924649563866869665
 GameObject:
   m_ObjectHideFlags: 0