complete init

index.tsx

@@ -0,0 +1,14 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from './src/App';
+
+// 使用React 18+的createRoot API
+const rootElement = document.getElementById('root');
+if (rootElement) {
+  const root = ReactDOM.createRoot(rootElement);
+  root.render(
+    <React.StrictMode>
+      <App />
+    </React.StrictMode>
+  );
+}