添加了个隐藏的界面

assets/Scene/MyCityScene - 004.fire

@@ -449,6 +449,9 @@
     "StealViewSuccessPrefab": {
       "__uuid__": "925802ab-f20c-4d55-95d9-85dd390f4cb8"
     },
+    "surroundingBlack": {
+      "__id__": 1795
+    },
     "_id": "26BXxM+rJJaq5KkgeDIZ/N"
   },
   {
@@ -72658,7 +72661,7 @@
         "__id__": 1799
       }
     ],
-    "_active": true,
+    "_active": false,
     "_level": 3,
     "_components": [],
     "_prefab": null,

assets/Script/public/ManageUI.js

@@ -97,6 +97,9 @@ cc.Class({
 
     //偷取成功生成一个提示
     StealViewSuccessPrefab: cc.Prefab,
+
+    //场景开始时候，打开的黑色遮罩
+    surroundingBlack: cc.Node,
   },
   onLoad() {
     cc.game.setFrameRate(30)
@@ -246,6 +249,9 @@ cc.Class({
         }
       }
     })
+
+    //显示背景
+    this.surroundingBlack.active = true;
   },
   _setLockBuildingColor() {
     let BuildingStateArray = GlobalD.GameData.GetBuildingLockStateArray()