根据http://ask.dcloud.net.cn/article/34945这里的教程，想用mpvue开发的小程序转成uni-app，按照前面的教程复制粘贴好后，用真机调试，但是编译不过，每次都是报：
11:29:47.513 F:\hbuilder\HBuilderX.1.2.1.20181126.full\HBuilderX\plugins\uniapp\build\dev-server.js:17
11:29:47.513 throw err
11:29:47.529 ^
11:29:47.529 TypeError: Path must be a string. Received undefined
11:29:47.529 at assertPath (path.js:28:11)
11:29:47.529 at Object.extname (path.js:908:5)
11:29:47.529 at parsePagesJson (F:\hbuilder\HBuilderX.1.2.1.20181126.full\HBuilderX\plugins\uniapp\lib\parsePagesJson.js:73:24)
11:29:47.545 at genEntry (F:\hbuilder\HBuilderX.1.2.1.20181126.full\HBuilderX\plugins\uniapp\build\getEntry.js:30:20)
11:29:47.545 at getEntry (F:\hbuilder\HBuilderX.1.2.1.20181126.full\HBuilderX\plugins\uniapp\build\getEntry.js:83:14)
11:29:47.545 at Object.<anonymous> (F:\hbuilder\HBuilderX.1.2.1.20181126.full\HBuilderX\plugins\uniapp\build\webpack.base.conf.js:36:5)
11:29:47.545 at Module._compile (module.js:652:30)
11:29:47.545 at Object.Module._extensions..js (module.js:663:10)
11:29:47.545 at Module.load (module.js:565:32)
11:29:47.560 at tryModuleLoad (module.js:505:12)
11:29:47.560 at Function.Module._load (module.js:497:3)
11:29:47.560 at Module.require (module.js:596:17)
11:29:47.560 at require (internal/module.js:11:18)
11:29:47.560 at Object.<anonymous> (F:\hbuilder\HBuilderX.1.2.1.20181126.full\HBuilderX\plugins\uniapp\build\webpack.dev.conf.js:5:25)
11:29:47.560 at Module._compile (module.js:652:30)
11:29:47.576 at Object.Module._extensions..js (module.js:663:10)
请问各位大佬要怎么修改，谢谢
