fix

src/index.tsx

@@ -0,0 +1,17 @@
+import React from 'react';
+import { createRoot } from 'react-dom/client';
+import App from './App';
+
+// 获取根元素
+const container = document.getElementById('root');
+if (!container) throw new Error('Failed to find the root element');
+
+// 创建根
+const root = createRoot(container);
+
+// 渲染应用
+root.render(
+    <React.StrictMode>
+        <App />
+    </React.StrictMode>
+);