应该是版本问题,可以这样
import {createApp} from 'vue';
import App from './App'
import router from './router'
import VueAwesomeSwiper from 'vue-awesome-swiper'
import store from './store'
import './assets/styles/reset.css'
import './assets/styles/border.css'
import './assets/styles/iconfont.css'
import 'swiper/dist/css/swiper.css'
// Vue.config.productionTip = false
// Vue.use(VueAwesomeSwiper)
createApp(App).use(router).mount('#app')