diff --git a/apps/application/flow/knowledge_workflow_manage.py b/apps/application/flow/knowledge_workflow_manage.py
index 384913623f5..ab739932b74 100644
--- a/apps/application/flow/knowledge_workflow_manage.py
+++ b/apps/application/flow/knowledge_workflow_manage.py
@@ -89,6 +89,8 @@ def hand_node_result(self, current_node, node_result_future):
             if result is not None:
                 # 阻塞获取结果
                 list(result)
+            if current_node.status == 500:
+                return None
             return current_result
         except Exception as e:
             traceback.print_exc()