1577762110用户 官网提供的3d文字纹理示例https://layaair2.ldc2.layabox.com/demo2/?language=ch&category=3d&group=Advance&name=DrawTextTexture&tdsourcetag=s_pctim_aiomsg在安卓上不能使用，报错 cxt.fillText is not a function
