diff --git a/frontend/src/pages/LoginPage.tsx b/frontend/src/pages/LoginPage.tsx
index 1fd64a2..3118939 100644
--- a/frontend/src/pages/LoginPage.tsx
+++ b/frontend/src/pages/LoginPage.tsx
@@ -18,7 +18,7 @@ export default function LoginPage() {
     setLoading(true)
     try {
       await login(username, password)
-      // RedirectIfAuth handles navigation automatically
+      navigate('/', { replace: true })
     } catch (err: any) {
       const status = err?.response?.status
       const detail = err?.response?.data?.detail ?? '登录失败'