SDKBox中安装了google play后提示gpg未定义

在sdkbox中安装了google play插件后,写代码有提示,但是运行就提示gpg未定义
Simulator: E/jswrapper (271): ERROR: Uncaught ReferenceError: gpg is not defined

请确认资源里是否有该文件 https://github.com/sdkbox/sdkbox-sample-gpg/blob/master/js/res/sdkboxgpg.js