Egret 图像跨域

//加载图像
imageLoader.crossOrigin = "anonymous";
imageLoader.addEventListener(egret.Event.COMPLETE, (event: egret.Event) => {
let image = <egret.ImageLoader>event.currentTarget;
let texture = new egret.Texture();
texture._setBitmapData(imageLoader.data);
this.myIcon.texture = texture;
}, this);
imageLoader.load(GameConst.avatar);