Error: Cannot find module，webpack-dev-server –config 报错找不到模块

webpack-dev-server 设置 webpack.config.js

webpack-dev-server –config config/webpack.dev.js

报错：

Error: Cannot find module 'F:\jutils\dist\config\webpack.dev.js'

记得加上级路径（相对路径）

webpack-dev-server --config ../config/webpack.dev.js