diff --git a/modelscope_agent/tools/base.py b/modelscope_agent/tools/base.py
index ed6d5b69..f5a9c4c1 100644
--- a/modelscope_agent/tools/base.py
+++ b/modelscope_agent/tools/base.py
@@ -597,7 +597,7 @@ def _verify_args(self, params: str, api_info) -> Union[str, dict]:
             if 'required' in param and param['required']:
 
                 current = {}
-                current_test = copy.deepcopy(params_json)
+                current_test = deepcopy(params_json)
                 parts = param['name'].split('.')
                 for i, part in enumerate(parts):
                     if part not in current:
@@ -714,6 +714,7 @@ def call(self, params: str, **kwargs):
                 response = requests.post(
                     f'{self.openapi_service_manager_url}/execute_openapi',
                     json={
+                        'openapi_name': self.openapi_remote_name,
                         'url': url,
                         'params': query_params,
                         'headers': header,
diff --git a/modelscope_agent/tools/utils/openapi_utils.py b/modelscope_agent/tools/utils/openapi_utils.py
index 843a7af1..233bc81d 100644
--- a/modelscope_agent/tools/utils/openapi_utils.py
+++ b/modelscope_agent/tools/utils/openapi_utils.py
@@ -109,15 +109,15 @@ def parse_nested_parameters(param_name, param_info, parameters_list, content):
 
 
 # openapi_schema_convert,register to tool_config.json
-def extract_references(schema_content):
+def extract_references(schema_content, index=0):
     references = []
     if isinstance(schema_content, dict):
         if '$ref' in schema_content:
             references.append(schema_content['$ref'])
         for key, value in schema_content.items():
-            references.extend(extract_references(value))
+            references.extend(extract_references(value, index + 1))
         # if properties exist, record the schema content in references and deal later
-        if 'properties' in schema_content:
+        if 'properties' in schema_content and index == 0:
             references.append(schema_content)
     elif isinstance(schema_content, list):
         for item in schema_content: