diff --git a/frontend/src/pages/LoginPage.tsx b/frontend/src/pages/LoginPage.tsx
index 54fcc93..1fd64a2 100644
--- a/frontend/src/pages/LoginPage.tsx
+++ b/frontend/src/pages/LoginPage.tsx
@@ -18,8 +18,7 @@ export default function LoginPage() {
     setLoading(true)
     try {
       await login(username, password)
-      toast.success('登录成功')
-      navigate('/dashboard', { replace: true })
+      // RedirectIfAuth handles navigation automatically
     } catch (err: any) {
       const status = err?.response?.status
       const detail = err?.response?.data?.detail ?? '登录失败'