npm run dev报错，events.js:160 thro

后来找了找是端口被占用的缘故，dev: {

env: require('./dev.env'),

port: 8088, # 注意了啊。。。修改成你要的端口，接着运行代码就看到效果了

assetsSubDirectory: 'static',

assetsPublicPath: '/',

proxyTable: {},

// CSS Sourcemaps off by default because relative paths are "buggy"

// with this option, according to the CSS-Loader README

// (https://github.com/webpack/css-loader#sourcemaps)

// In our experience, they generally work as expected,

// just be aware of this issue when enabling this option.

cssSourceMap: false

}