SOURCE

var Main = {
	data(){
    return {
			message: '先点击 fork，再点击 save',
      tip: '建议锁定版本号'
    }
  }    
}
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')

<script src="//unpkg.com/vue/dist/vue.js"></script>
<script src="//unpkg.com/element-ui/lib/index.js"></script>

<div id="app">
  <h2>Elemenet 问题反馈模板</h2>
  <p>{{ message }}</p>
  <p>{{tip}}</p>
</div>

@import url("//unpkg.com/element-ui/lib/theme-chalk/index.css");