求助！npm run dev报错

[leitao0819]

filename: utils.assetsPath([name].${config.dev.fileExt.style})
^

TypeError: Cannot read property 'style' of undefined
at Object. (C:\Users\Yunhu Timlei\Downloads\smart-home-master\build\webpack.dev.conf.js:47:63)
at Module._compile (internal/modules/cjs/loader.js:701:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)
at Module.load (internal/modules/cjs/loader.js:600:32)
at tryModuleLoad (internal/modules/cjs/loader.js:539:12)
at Function.Module._load (internal/modules/cjs/loader.js:531:3)
at Module.require (internal/modules/cjs/loader.js:637:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object. (C:\Users\XX\Downloads\smart-home-master\build\dev-server.js:15:21)
at Module._compile (internal/modules/cjs/loader.js:701:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)
at Module.load (internal/modules/cjs/loader.js:600:32)
at tryModuleLoad (internal/modules/cjs/loader.js:539:12)
at Function.Module._load (internal/modules/cjs/loader.js:531:3)
at Function.Module.runMain (internal/modules/cjs/loader.js:754:12)
at startup (internal/bootstrap/node.js:283:19)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! smart-home@1.0.0 dev: node build/dev-server.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the smart-home@1.0.0 dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! G:\nodejs\node_cache_logs\2019-04-24T12_50_39_809Z-debug.log

[tustman]

你好，文档写的不准确，因为是小程序开发，不需要执行npm run dev命令的，npm install后，配置上自己的appId，用微信开发工具导入项目就可以了。可以先试试，如果有问题及时反馈。

[H-panpan]

这个要执行npm run dev 吧 不执行怎么生成dist 文件,我用npm run dev 后出现了Module build failed: TypeError: Cannot read property 'platform' of undefine这个错误,不知道怎么回事