diff --git a/web/default/src/routes/(auth)/sign-up.tsx b/web/default/src/routes/(auth)/sign-up.tsx
index f14db208..9d6c1bc4 100644
--- a/web/default/src/routes/(auth)/sign-up.tsx
+++ b/web/default/src/routes/(auth)/sign-up.tsx
@@ -16,10 +16,19 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 For commercial licensing, please contact support@quantumnous.com
 */
-import { createFileRoute } from '@tanstack/react-router'
+import { createFileRoute, redirect } from '@tanstack/react-router'
 
 import { SignUp } from '@/features/auth/sign-up'
+import { useAuthStore } from '@/stores/auth-store'
 
 export const Route = createFileRoute('/(auth)/sign-up')({
   component: SignUp,
+  beforeLoad: async () => {
+    const { auth } = useAuthStore.getState()
+
+    // 如果已经有用户信息，说明已登录，注册页对其无意义，跳转到 dashboard
+    if (auth.user) {
+      throw redirect({ to: '/dashboard' })
+    }
+  },
 })