diff --git a/frontend/src/app/pages/LoginPage.tsx b/frontend/src/app/pages/LoginPage.tsx
index 2ced7cc..f48fd8d 100644
--- a/frontend/src/app/pages/LoginPage.tsx
+++ b/frontend/src/app/pages/LoginPage.tsx
@@ -50,7 +50,8 @@ export function LoginPage() {
           clearToken();
         }
       } catch (e) {
-        debugLog(`[auth] token 解码失败: ${e}`);
+        addDebug(`[auth] token 解码失败，清除: ${e}`);
+        clearToken();
       }
     }