报错信息：
PS E:\PersonalBlog\ui> yarn start
yarn run v1.16.0
> ui@1.0.0 dev E:\PersonalBlog\ui
> webpack-dev-server --inline --progress --config build/webpack.dev.conf.js
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! ui@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 ui@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:\Program Files\nodejs\node_cache\_logs\2020-05-02T10_36_40_990Z-debug.log
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
遇到这个问题，查了一些资料，发现我这边造成这个问题的原因是webpack 和webpack-dev-server版本不匹配造成的：
参考网址:https://www.jianshu.com/p/732020992dde
https://www.npmjs.com/package/webpack-dev-server
https://blog.csdn.net/lizhen_software/article/details/84073468
webpack 3.x 要使用 webpack-dev-server 2.x
webpack 4.x 要使用 webpack-dev-server 3.x
"webpack": "^3.6.0",
"webpack-dev-server": "^2.6.0",
