diff --git a/fastdeploy/entrypoints/openai/serving_chat.py b/fastdeploy/entrypoints/openai/serving_chat.py
index d8356ce52..07516bf1e 100644
--- a/fastdeploy/entrypoints/openai/serving_chat.py
+++ b/fastdeploy/entrypoints/openai/serving_chat.py
@@ -91,7 +91,7 @@ class OpenAIServingChat:
         if self.models:
             is_supported, request.model = self.models.is_supported_model(request.model)
             if not is_supported:
-                err_msg = f"Unsupported model: {request.model}, support {', '.join([x.name for x in self.models.model_paths])} or default"
+                err_msg = f"Unsupported model: [{request.model}], support [{', '.join([x.name for x in self.models.model_paths])}] or default"
                 api_server_logger.error(err_msg)
                 return ErrorResponse(message=err_msg, code=400)
 
diff --git a/fastdeploy/entrypoints/openai/serving_completion.py b/fastdeploy/entrypoints/openai/serving_completion.py
index ba81afc35..dde3471b7 100644
--- a/fastdeploy/entrypoints/openai/serving_completion.py
+++ b/fastdeploy/entrypoints/openai/serving_completion.py
@@ -67,7 +67,7 @@ class OpenAIServingCompletion:
         if self.models:
             is_supported, request.model = self.models.is_supported_model(request.model)
             if not is_supported:
-                err_msg = f"Unsupported model: {request.model}, support {', '.join([x.name for x in self.models.model_paths])} or default"
+                err_msg = f"Unsupported model: [{request.model}], support [{', '.join([x.name for x in self.models.model_paths])}] or default"
                 api_server_logger.error(err_msg)
                 return ErrorResponse(message=err_msg, code=400)
         created_time = int(time.time())
diff --git a/tests/entrypoints/openai/test_serving_models.py b/tests/entrypoints/openai/test_serving_models.py
index 1ef2fff7e..a6b804508 100644
--- a/tests/entrypoints/openai/test_serving_models.py
+++ b/tests/entrypoints/openai/test_serving_models.py
@@ -1,19 +1,3 @@
-"""
-# Copyright (c) 2025  PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""
-
 import asyncio
 import unittest