diff --git a/jikimo_workorder_exception/controllers/main.py b/jikimo_workorder_exception/controllers/main.py
index 03744ff9..e0c0aa90 100644
--- a/jikimo_workorder_exception/controllers/main.py
+++ b/jikimo_workorder_exception/controllers/main.py
@@ -43,7 +43,7 @@ class WorkorderExceptionConroller(http.Controller):
             })
  
         except Exception as e:
-            res = {'Succeed': False, 'ErrorCode': 202, 'Error': e}
+            res = {'Succeed': False, 'ErrorCode': 202, 'Error': str(e)}
             _logger.info('workder_exception error:%s' % e)
         return json.JSONEncoder().encode(res)