老师，这个报错是什么意思呀？？

$ npm run dev

> mall@1.0.0 dev E:\web\vue\mall
> webpack-dev-server --inline --progress --config build/webpack.dev.conf.js

'webpack-dev-server' ▒▒▒▒▒ڲ▒▒▒▒ⲿ▒▒▒Ҳ▒▒▒ǿ▒▒▒▒еij▒▒▒
▒▒▒▒▒▒▒▒▒ļ▒▒▒
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! mall@1.0.0 dev: `webpack-dev-server --inline --progress --config build/webpack.dev.conf.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the mall@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!     C:\Users\欧洋\AppData\Roaming\npm-cache\_logs\2019-10-18T01_56_36_006Z-debug.log