snapshot/frontend/src/main.js

import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
import { createPinia } from 'pinia'
import { fetchConfig } from './config'
import './styles/global.scss'

// 先获取后端配置，再初始化应用
fetchConfig().then(() => {
  const app = createApp(App)

  app.use(createPinia())
  app.use(router)

  app.config.errorHandler = (err, instance, info) => {
    console.error('Unhandled error:', err, info)
  }

  app.mount('#app')
})