uniapp-mqtt-onenet/main.js

import App from './App'

// #ifndef VUE3
import Vue from 'vue'
import store from './store';
import './uni.promisify.adaptor'
Vue.config.productionTip = false
App.mpType = 'app'

import uView from '@/uni_modules/uview-ui';
Vue.use(uView);
uni.$u.config.unit = 'rpx'

const app = new Vue({
  store,
  ...App
})
require('@/common/request/config.js')(app)
app.$mount()
// #endif