diff --git a/python/fate_flow/utils/runtime_conf_parse_util.py b/python/fate_flow/utils/runtime_conf_parse_util.py
index fb4bf2b1b..9251adb45 100644
--- a/python/fate_flow/utils/runtime_conf_parse_util.py
+++ b/python/fate_flow/utils/runtime_conf_parse_util.py
@@ -515,7 +515,7 @@ def get_input_parameters(cls, submit_dict, components=None):
 
         for role in roles:
             role_parameters = submit_dict["component_parameters"]["role"][role]
-            input_parameters[role] = [copy.deepcopy(cpn_dict)] * len(submit_dict["role"][role])
+            input_parameters[role] = [copy.deepcopy(cpn_dict) for _ in range(len(submit_dict["role"][role]))]
 
             for idx, parameters in role_parameters.items():
                 for reader in components: