frontend/src/main.js

    import './style.css'
    import 'element-plus/dist/index.css'
    import router from './router'
    import store from './store'

    import { createApp } from 'vue'
    import ElementPlus from 'element-plus'
    import 'element-plus/dist/index.css'
    import App from './App.vue'

    const app = createApp(App)
    app.use(ElementPlus)
    app.use(router)
    app.use(store).mount('#app')