解决报错Cannot find module 'webp

Error: Cannot find module 'webpack-cli/bin/config-yargs'
at Function.Module._resolveFilename (module.js:547:15)
at Function.Module._load (module.js:474:25)
at Module.require (module.js:596:17)
at require (internal/module.js:11:18)
at Object.<anonymous> (F:\java学习\代码笔记\前端代码\webpack\webpack-study02
\node_modules\webpack-dev-server\bin\webpack-dev-server.js:78:1)
at Module._compile (module.js:652:30)
at Object.Module._extensions..js (module.js:663:10)
at Module.load (module.js:565:32)
at tryModuleLoad (module.js:505:12)
at Function.Module._load (module.js:497:3)

可能是因为Webpack与webpack-dev-server版本不兼容导致

//卸载版本
cnpm uninstall webpack -g
cnpm uninstall -g webpack-dev-server
//安装指定版本
cnpm install webpack@3.8.0 --save-dev
cnpm install webpack-dev-server@2.9.7 --save-dev