小程序报错 Please do not register multiple Pages in undefined.js

报错 Please do not register multiple Pages in undefined.js"/>

小程序报错 Please do not register multiple Pages in undefined.js

WAService.js:3 Wed Mar 22 2017 11:14:38 GMT+0800 (中国标准时间) Page 注册错误

WAService.js:3 Please do not register multiple Pages in undefined.jst.error @ WAService.js:3t.pageHolder @ WAService.js:3(anonymous function) @ app.js [sm]:1require @ WAService.js:4(anonymous function) @ app.js [sm]:1

WAService.js:3 Uncaught Error: APP-SERVICE-Engine:Please do not register multiple Pages in undefined.jst @ WAService.js:3t.pageHolder @ WAService.js:3(anonymous function) @ app.js [sm]:1require @ WAService.js:4(anonymous function) @ app.js [sm]:1

刚开始学习，新建文件就出错了。在文件页面中，js文件中不能为空，需要加入Page（{}）；

但是如果在app.js中加入Page（{}），就会出现上面的报错，所以要，app.js文件不许加入。

ps：初学阶段，可能解释有错误