main.js

import App from './App'
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';
import Vue from 'vue'
import './uni.promisify.adaptor'
Vue.config.productionTip = false
App.mpType = 'app'
const app = new Vue({
  ...App
})
app.$mount()
Vue.use(ElementUI);

import { createSSRApp } from 'vue'
export function createApp() {
  const app = createSSRApp(App)
  return {
    app
  }
}

 
new Vue({
  el: '#app',
  render: h => h(App)
});