diff --git a/frontend/app/(main)/admin/page.tsx b/frontend/app/(main)/admin/page.tsx
deleted file mode 100644
index 5d23713..0000000
--- a/frontend/app/(main)/admin/page.tsx
+++ /dev/null
@@ -1,186 +0,0 @@
-"use client";
-
-import { useEffect, useState } from "react";
-import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
-import { Label } from "@/components/ui/label";
-import {
-  Dialog,
-  DialogContent,
-  DialogHeader,
-  DialogTitle,
-  DialogTrigger,
-} from "@/components/ui/dialog";
-import {
-  Table,
-  TableBody,
-  TableCell,
-  TableHead,
-  TableHeader,
-  TableRow,
-} from "@/components/ui/table";
-import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
-
-interface User {
-  id: number;
-  username: string;
-  email: string;
-  role: string;
-  createdAt: string;
-}
-
-export default function AdminPage() {
-  const [users, setUsers] = useState<User[]>([]);
-  const [loading, setLoading] = useState(true);
-  const [open, setOpen] = useState(false);
-  const [form, setForm] = useState({
-    username: "",
-    email: "",
-    password: "",
-    role: "user",
-  });
-
-  async function fetchUsers() {
-    const res = await fetch("/api/proxy/admin/users");
-    if (res.ok) {
-      const data = await res.json();
-      setUsers(data.users || []);
-    }
-    setLoading(false);
-  }
-
-  useEffect(() => {
-    fetchUsers();
-  }, []);
-
-  async function handleCreate(e: React.FormEvent) {
-    e.preventDefault();
-    const res = await fetch("/api/proxy/admin/users", {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify(form),
-    });
-
-    if (res.ok) {
-      setOpen(false);
-      setForm({ username: "", email: "", password: "", role: "user" });
-      fetchUsers();
-    }
-  }
-
-  async function handleDelete(id: number) {
-    if (!confirm("确定删除该用户？")) return;
-    const res = await fetch(`/api/proxy/admin/users/${id}`, {
-      method: "DELETE",
-    });
-    if (res.ok) {
-      fetchUsers();
-    }
-  }
-
-  return (
-    <div className="space-y-4">
-      <div className="flex items-center justify-between">
-        <h1 className="text-2xl font-bold">用户管理</h1>
-        <Dialog open={open} onOpenChange={setOpen}>
-          <DialogTrigger render={<Button>创建用户</Button>} />
-          <DialogContent>
-            <DialogHeader>
-              <DialogTitle>新建用户</DialogTitle>
-            </DialogHeader>
-            <form onSubmit={handleCreate} className="space-y-4">
-              <div>
-                <Label>用户名</Label>
-                <Input
-                  value={form.username}
-                  onChange={(e) =>
-                    setForm({ ...form, username: e.target.value })
-                  }
-                  required
-                />
-              </div>
-              <div>
-                <Label>邮箱</Label>
-                <Input
-                  type="email"
-                  value={form.email}
-                  onChange={(e) =>
-                    setForm({ ...form, email: e.target.value })
-                  }
-                  required
-                />
-              </div>
-              <div>
-                <Label>密码</Label>
-                <Input
-                  type="password"
-                  value={form.password}
-                  onChange={(e) =>
-                    setForm({ ...form, password: e.target.value })
-                  }
-                  required
-                />
-              </div>
-              <div>
-                <Label>角色</Label>
-                <select
-                  className="w-full rounded-md border px-3 py-2 text-sm"
-                  value={form.role}
-                  onChange={(e) => setForm({ ...form, role: e.target.value })}
-                >
-                  <option value="user">user</option>
-                  <option value="admin">admin</option>
-                </select>
-              </div>
-              <Button type="submit" className="w-full">
-                创建
-              </Button>
-            </form>
-          </DialogContent>
-        </Dialog>
-      </div>
-
-      <Card>
-        <CardHeader>
-          <CardTitle>用户列表</CardTitle>
-        </CardHeader>
-        <CardContent>
-          {loading ? (
-            <p>加载中...</p>
-          ) : (
-            <Table>
-              <TableHeader>
-                <TableRow>
-                  <TableHead>ID</TableHead>
-                  <TableHead>用户名</TableHead>
-                  <TableHead>邮箱</TableHead>
-                  <TableHead>角色</TableHead>
-                  <TableHead>操作</TableHead>
-                </TableRow>
-              </TableHeader>
-              <TableBody>
-                {users.map((user) => (
-                  <TableRow key={user.id}>
-                    <TableCell>{user.id}</TableCell>
-                    <TableCell>{user.username}</TableCell>
-                    <TableCell>{user.email}</TableCell>
-                    <TableCell>{user.role}</TableCell>
-                    <TableCell>
-                      <Button
-                        variant="destructive"
-                        size="sm"
-                        onClick={() => handleDelete(user.id)}
-                      >
-                        删除
-                      </Button>
-                    </TableCell>
-                  </TableRow>
-                ))}
-              </TableBody>
-            </Table>
-          )}
-        </CardContent>
-      </Card>
-    </div>
-  );
-}
diff --git a/frontend/app/(main)/layout.tsx b/frontend/app/(main)/layout.tsx
index 1e3ac30..6bee1a2 100644
--- a/frontend/app/(main)/layout.tsx
+++ b/frontend/app/(main)/layout.tsx
@@ -22,11 +22,6 @@ export default async function MainLayout({
             <Link href="/dashboard" className="text-sm hover:underline">
               仪表盘
             </Link>
-            {user?.role === "admin" && (
-              <Link href="/admin" className="text-sm hover:underline">
-                管理后台
-              </Link>
-            )}
             <form
               action={async () => {
                 "use server";