vue history模式下出现空白页情况

import Vue from ‘vue‘;
import App from ‘./App‘;
import routers from ‘./router‘;
import VueRouter from ‘vue-router‘;
 
Vue.use(VueRouter);
 
const router = new VueRouter({
  mode: ‘history‘,
  routes: routers
});
 
/* eslint-disable no-new */
new Vue({
  el: ‘#app‘,
  router,
  components: {App},
  template: ‘<App/>‘
});

const router = new VueRouter({
  mode: ‘history‘,
  base: ‘/nice/app/‘,
  routes: routers
});