var logo = new Laya.Sprite();
Laya.stage.addChild(logo);
logo.loadImage("res/atlas/test.png", Laya.Handler.create(this, function(){
console.log("complete!!");
logo.x= Laya.stage.width/2-logo.width/2;
logo.y= Laya.stage.height/2-logo.height/2;
//logo.pos(Laya.stage.width/2-logo.width/2,Laya.stage.height/2-logo.height/2);
}));
