diff --git a/frontend/src/pages/LoginPage.tsx b/frontend/src/pages/LoginPage.tsx
index 52628a9..bf14f95 100644
--- a/frontend/src/pages/LoginPage.tsx
+++ b/frontend/src/pages/LoginPage.tsx
@@ -7,8 +7,8 @@ export default function LoginPage({ onSuccess }: { onSuccess: () => void }) {
   const [mode, setMode] = useState<'login' | 'register'>('login')
 
   // Login fields
-  const [username, setUsername] = useState('admin')
-  const [password, setPassword] = useState('admin123')
+  const [username, setUsername] = useState('')
+  const [password, setPassword] = useState('')
 
   // Register fields
   const [regUsername, setRegUsername] = useState('')
@@ -217,7 +217,7 @@ export default function LoginPage({ onSuccess }: { onSuccess: () => void }) {
         )}
 
         {mode === 'login' && (
-          <div className="mt-6 text-center text-sm text-slate-500">默认测试账号: admin / admin123</div>
+          <div className="mt-6 text-center text-sm text-slate-500">首次使用？注册一个新账号</div>
         )}
       </div>
     </div>