实现投稿ui

front/src/App.tsx

@@ -1,10 +1,10 @@
 import { BrowserRouter, Routes, Route } from 'react-router-dom';
 import { MainLayout } from './layouts/MainLayout';
 import About from './components/About';
+import CreatePost from './components/CreatePost';
 import './App.css';
 
 const Home = () => <h1>Home Page</h1>;
-const CreatePost = () => <h1>Create Post</h1>;
 const NotFound = () => <h1>404 Not Found</h1>;
 
 function App() {