diff --git a/web/usercenter/components/UserCenter.tsx b/web/usercenter/components/UserCenter.tsx
index 08714ed..ad89fe3 100644
--- a/web/usercenter/components/UserCenter.tsx
+++ b/web/usercenter/components/UserCenter.tsx
@@ -12,7 +12,7 @@ import Settings from './Settings';
 import { useUI } from '../lib/theme';
 import { makeT } from '../lib/i18n';
 import { apiMode, getClient } from '../lib/api/client';
-import { hasRefresh } from '../lib/api/session';
+import { hasRefresh, clearSession } from '../lib/api/session';
 import type { Me } from '../lib/api/types';
 
 type View = 'overview' | 'sub' | 'redeem' | 'invite' | 'settings';
@@ -65,6 +65,10 @@ export default function UserCenter() {
           await api.refresh();
           if (alive) setAuthed(true);
         } catch {
+          // 续期失败(refresh token 过期/被撤销/Redis 丢 JTI):清掉本地会话,
+          // 否则 pg_uc_refresh 残留 → 官网仍显示"用户中心" → 点进来又续期失败 →
+          // 来回刷登录页。清了官网会回到"Log in",状态一致。
+          clearSession();
           if (alive) setAuthed(false);
         }
       }