diff --git a/Merge/front/src/router/App.js b/Merge/front/src/router/App.js
new file mode 100644
index 0000000..1a7fe0e
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+++ b/Merge/front/src/router/App.js
@@ -0,0 +1,50 @@
+import React from 'react';
+import {
+  Routes,
+  Route,
+  Navigate,
+} from 'react-router-dom';
+import AdminPage from '../components/Admin';
+import UserManagement from '../components/UserManagement';
+import LogsDashboard from '../components/LogsDashboard';
+import SuperAdmin from '../components/SuperAdmin';
+
+import CreatePost     from '../components/CreatePost'      // src/components/CreatePost.jsx
+import HomeFeed       from '../components/HomeFeed'        // src/components/HomeFeed.jsx
+import PlaceholderPage from '../components/PlaceholderPage'// src/components/PlaceholderPage.jsx
+import UploadPage     from '../components/UploadPage'      // src/components/UploadPage.jsx
+
+
+export default function AppRoutes() {
+  return (
+    <Routes>
+      <Route path="/posts/new" element={<CreatePost />} />
+    
+      <Route path="/home"      element={<HomeFeed />} />
+
+      <Route path="/notebooks" element={<PlaceholderPage pageId="notebooks" />} />
+      <Route path="/activity"  element={<PlaceholderPage pageId="activity"  />} />
+      <Route path="/notes"     element={<PlaceholderPage pageId="notes"     />} />
+      <Route path="/creator"   element={<PlaceholderPage pageId="creator"   />} />
+      <Route path="/journal"   element={<PlaceholderPage pageId="journal"   />} />
+
+      <Route path="/dashboard/*" element={<UploadPage />} />
+
+      {/* 根路径重定向到 dashboard */}
+      <Route path="/" element={<Navigate to="/dashboard/overview" replace />} />
+
+      {/* 最后一个兜底 */}
+      <Route path="*" element={<PlaceholderPage pageId="home" />} />
+
+      {/* 普通管理员，无 header */}
+      <Route path="admin" element={<AdminPage />} />
+
+      {/* 超级管理员，只用 SuperAdminLayout */}
+      <Route path="superadmin" element={<SuperAdmin />}>
+        <Route index element={<Navigate to="users" replace />} />
+        <Route path="users" element={<UserManagement superAdminId={3} />} />
+        <Route path="dashboard" element={<LogsDashboard />} />
+      </Route>
+    </Routes>
+  );
+}
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