if(CC_WECHATGAME){
                        let image =wx.createImage();
                        image.onload = function(){
                            let texture = new cc.Texture2D();
                            texture.initWithElement(image);
                            texture.handleLoadedTexture();
                            worldNode.getChildByName("userImage").getComponent(cc.Sprite).spriteFrame = new cc.SpriteFrame(texture);
                        }
                        image.src = avatarUrl;
                    }