:tada: 新功能

• 侧边栏 icon 支持 el-icon，在声明路由时直接使用 icon class 即可，例如：

meta: {
      title: 'Example',
      icon: 'example'
      icon: 'el-icon-s-help' //demo
    },

:bug: 修复

• 修复 param2Obj 函数在参数中出现 == 时的 bug (#3100 by @mayunhai)

:sparkles: 优化

• chore: 在 webpack 构建时开启preload，提高首页加载速度(https://github.com/PanJiaChen/vue-element-admin/commit/0bf61aac535b7799a0f17573741fee507003a7e4)
• refactor: 修改所有 mock 文件为 commonjs，移除@babel/register(https://github.com/PanJiaChen/vue-element-admin/commit/d3bd933a8e314e5e51d48125dbcda9e3df8ee673)
• 更新 element-ui 至 2.13.2 版本

:tada: Features

• The sidebar icon supports el-icon, just use the icon class when declaring the route, for example:

meta: {
      title: 'Example',
      icon: 'example'
      icon: 'el-icon-s-help' //demo
    },

:bug: Bugs

• Fix the bug when param2Obj function appears with == in the parameter (#3100 by @mayunhai)

:sparkles: Optimization

• chore: Turn on preload during webpack build to increase the homepage loading speed(https://github.com/PanJiaChen/vue-element-admin/commit/0bf61aac535b7799a0f17573741fee507003a7e4)
• refactor: Modify all mock files to commonjs, remove @babel/register(https://github.com/PanJiaChen/vue-element-admin/commit/d3bd933a8e314e5e51d48125dbcda9e3df8ee673)
• Update element-ui to version 2.13.2