[LayaAirIDE 2.0]天空盒 官方范例 运行出错

var skyBox = new Laya.SkyBox();
camera.box = skyBox;
skyBox.textureCube = Laya.TextureCube.load("../../res/threeDimen/skyBox/skyBox1/skyCube.ltc");
显示skybox不纯在属性 textureCube