微信头像显示错误

185*****367

Uncaught TypeError: tex.once is not a function

at Graphics.__proto.drawTexture (GameStart.max.js:9996)
at Image.__proto.rebuild (GameStart.max.js:36588)
at TimerHandler.__proto.run (GameStart.max.js:18041)
at Timer.__proto._update (GameStart.max.js:17798)
at Stage.__proto.render (GameStart.max.js:38093)

185*****367

if (!tex.loaded){
tex.once("loaded",this,this._textureLoaded,[tex,args]);
}

是显示微信头像，格式好像是jifi