项目运行报错

scope情况

检查下你的列表组件里，slot 里的 <template> 上面有个 scope 属性，你改成 slot-scope
<template scope="xxx">yyyyyyyy</template>
改成
<template slot-scope="xxx">yyyyyyyy</template>
scope 属性在2.5以后的版本中已经废弃， 被 slot-scope 替代
slot-scope 不光可以用在 template 元素上，也可以用在其它元素

v-for情况

这样的提示，解决这个报红的问题，我们要根据他的提示，循环的时候加入一个唯一的key，这里选择使用index：
<ul class="clearfix course-list">
    <li class="left" v-for="(item,index) in gradeClassfy.primary.grade" :key="index"><a href="#">{{item.name}}</a></li>
</ul>

 端口号占用

如果端口被占用了，可以执行 npm run dev --port 8001 端口号设置为8081

assetsPublicPath根路径

'use strict'
// Template version: 1.1.3
// see http://vuejs-templates.github.io/webpack for documentation.

const path = require('path')

module.exports = {
  build: {
    env: require('./prod.env'),
    index: path.resolve(__dirname, '../dist/index.html'),
    assetsRoot: path.resolve(__dirname, '../dist'),
    assetsSubDirectory: 'static',
    assetsPublicPath: './',
    productionSourceMap: true,
    // Gzip off by default as many popular static hosts such as
    // Surge or Netlify already gzip all static assets for you.
    // Before setting to `true`, make sure to:
    // npm install --save-dev compression-webpack-plugin
    productionGzip: false,
    productionGzipExtensions: ['js', 'css'],
    // Run the build command with an extra argument to
    // View the bundle analyzer report after build finishes:
    // `npm run build --report`
    // Set to `true` or `false` to always turn it on or off
    bundleAnalyzerReport: process.env.npm_config_report
  },
  dev: {
    env: require('./dev.env'),
    port: process.env.PORT || 4000,  //端口号
    autoOpenBrowser: true,
    assetsSubDirectory: 'static',    // 静态资源文件夹
    assetsPublicPath: '/',   //发布路径
    proxyTable: { //跨域
　　　　'/api': {
　　　　　　target: 'http://service.dingesmart.com',  //目标接口域名
　　　　　　changeOrigin: true,     //是否跨域
　　　　　　pathRewrite: {
　　　　　　　　'^/api': ''   //重写接口
　　　　　　}
　　　　}
   },

// 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
  }
}