diff --git a/apps/application/flow/step_node/tool_lib_node/impl/base_tool_lib_node.py b/apps/application/flow/step_node/tool_lib_node/impl/base_tool_lib_node.py
index 60dabd687..1f863cdcb 100644
--- a/apps/application/flow/step_node/tool_lib_node/impl/base_tool_lib_node.py
+++ b/apps/application/flow/step_node/tool_lib_node/impl/base_tool_lib_node.py
@@ -147,10 +147,11 @@ class BaseToolLibNodeNode(IToolLibNode):
 
         self.context['params'] = params
         # 合并初始化参数
+        init_params_default_value = {i["field"]: i.get('default_value') for i in tool_lib.init_field_list}
         if tool_lib.init_params is not None:
-            all_params = json.loads(rsa_long_decrypt(tool_lib.init_params)) | params
+            all_params = init_params_default_value | json.loads(rsa_long_decrypt(tool_lib.init_params)) | params
         else:
-            all_params = params
+            all_params = init_params_default_value | params
         result = function_executor.exec_code(tool_lib.code, all_params)
         return NodeResult({'result': result}, {}, _write_context=write_context)