main.js

import Vue from 'vue'
import App from './App.vue'
import Router from 'vue-router'
import router from './router'
import store from './store'
import './lib/rem';
import Vant from 'vant';
import 'vant/lib/index.css';

Vue.config.productionTip = false

Vue.use(Vant);

const originalPush = Router.prototype.push
Router.prototype.push = function push(location) {
  return originalPush.call(this, location).catch(err => err)
}
new Vue({
  router,
  store,
  render: h => h(App)
}).$mount('#app')