1、Cannot find module ‘webpack-cli/bin/config-yargs’webpack安装配置完执行"webpack-dev-server –devtool eval –progress –colors –content-base build"命令显示如上错误,差了一下发现是由于webpack与webpack-dev-server版本不兼容导致的问题,因此可将webpack及webpack-dev-server 写在卸载后重新指定版本安装。// 卸载当前版本npm uninstall webpack -gnpm uninstall -g webpack-dev-server// 安装指定版本npm install webpack@3.8.0 –save-devnpm install webpack-dev-server@2.9.7 –save-dev2、webpack4 Cannot find module ‘@babel/core’配置完webpack执行npm run dev,显示找不到@babel/core这个module,执行以下命令安装:npm install –save-dev @babel/core