1

egret/libs/new_wx/views/layers.ts

@@ -15,21 +15,15 @@ class Layers extends eui.UILayer {
         this.addChild(this._topLayer);
     }
 
-    _removeTag: number;
     _bg: egret.Bitmap;
     addFirstBackground(bitmap: egret.Bitmap): any {
-        if (!this._removeTag) {
-            this._bg = bitmap;
-            this._bottomLayer.addChild(bitmap);
-        }
+        this._bg = bitmap;
+        this._bottomLayer.addChild(bitmap);
     }
 
     removeFirstBackground(): any {
-        this._removeTag = 1;
-        if (this._bg) {
-            this._bottomLayer.removeChild(this._bg);
-            this._bg = null;
-        }
+        this._bottomLayer.removeChild(this._bg);
+        this._bg = null;
     }
 
     get topLayer() { return this._topLayer }

performance.md

+首屏显示时间：2689ms
+MainBase.ts:187 start scene显示时间：3750ms
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