[]按照打地鼠教程来无法正常加载资源

public class Main{
        public function Main(){
            //初始化引擎
            Laya.init(1136, 640);
            Laya.stage.bgColor = "#ffcccc";
            var resArr:Array = [
                {res:"res/atlas/ui.atlas"},
                {res:"res/ui/back.png",type:Loader.IMAGE}
            ];
            Laya.loader.load(resArr,Handler.create(this,this.onLoaded));
        }
        private function onLoaded():void{
            //显示界面
            var gameView:GameView = new GameView();
            Laya.stage.addChild(gameView);
        }
    }