182*****210 var htmlC: Laya.HTMLCanvas = Laya.stage.drawToCanvas(Laya.stage.width, Laya.stage.height, 0, 0);//获取截屏区域的texturelet base64 = htmlC.toBase64("image/jpeg", 1);使用toBase64 报错can`t find variable conchToBase64FlipY