import { StrictMode } from 'react'; import { createRoot } from 'react-dom/client'; import { BrowserRouter } from 'react-router-dom'; import App from './App'; import './styles.css'; const container = document.getElementById('root'); if (!container) { throw new Error('找不到 #root 挂载点,请检查 index.html'); } createRoot(container).render( , );