diff --git a/backend/utils.py b/backend/utils.py
index 5081c03..724ef20 100644
--- a/backend/utils.py
+++ b/backend/utils.py
@@ -141,7 +141,14 @@ def verify_kefu_permission(request, username_from_frontend=None):
             ).values_list('PermCode', flat=True).distinct())
         else:
             permissions = []
-    except Exception:
+    except Exception as e:
+        logger.warning(
+            'verify_kefu_permission failed: UserUUID=%s Phone=%s err=%s',
+            getattr(current_user, 'UserUUID', None),
+            getattr(current_user, 'Phone', None),
+            e,
+            exc_info=True,
+        )
         permissions = []
 
     # 管理员/超级用户自动拥有所有权限