【Vuex报错】中$store is not defined

配置：

main.js

import Vue from 'vue'
import App from './App.vue'
import router from './router'
import store from './store'

Vue.config.productionTip = false
Vue.prototype.$eventBus = new Vue()

new Vue({
  render: (h) => h(App),
  router,
  store
}).$mount('#app')

store文件夹下的index.js

import Vue from 'vue'
import Vuex from 'vuex'

Vue.use(Vuex)

export default new Vuex.Store({
  state: {},
  mutations: {},
  actions: {},
  modules: {}
})