diff --git a/chatglm/code_kernel.py b/chatglm/code_kernel.py
index 48ab6a7..cc4c6ec 100644
--- a/chatglm/code_kernel.py
+++ b/chatglm/code_kernel.py
@@ -1,14 +1,15 @@
 import base64
-from io import BytesIO
 import os
-from pprint import pprint
 import queue
 import re
+import time
+from io import BytesIO
+from pprint import pprint
 from subprocess import PIPE
-from typing import Dict, Union, Optional, Tuple
+from typing import Dict, Optional, Tuple, Union
+
 import jupyter_client
 from PIL import Image
-import time
 
 IPYKERNEL = os.environ.get('IPYKERNEL', 'chatglm3')
 
diff --git a/chatglm/comfyUI_api.py b/chatglm/comfyUI_api.py
index e856f83..aefe6cc 100644
--- a/chatglm/comfyUI_api.py
+++ b/chatglm/comfyUI_api.py
@@ -1,14 +1,15 @@
 # This is an example that uses the websockets api to know when a prompt execution is done
 # Once the prompt execution is done it downloads the images using the /history endpoint
 
+import io
+import json
+import random
+import urllib
+import uuid
+
+import requests
 # NOTE: websocket-client (https://github.com/websocket-client/websocket-client)
 import websocket
-import uuid
-import json
-import requests
-import urllib
-import random
-import io
 from PIL import Image
 
 
@@ -178,7 +179,8 @@ if __name__ == '__main__':
 
     for node_id in images:
         for image_data in images[node_id]:
-            from PIL import Image
             import io
+
+            from PIL import Image
             image = Image.open(io.BytesIO(image_data))
             image.show()
diff --git a/chatglm/tool_registry.py b/chatglm/tool_registry.py
index 5bdbdba..8758b16 100644
--- a/chatglm/tool_registry.py
+++ b/chatglm/tool_registry.py
@@ -1,18 +1,20 @@
-from copy import deepcopy
 import inspect
-from pprint import pformat
-import traceback
-from types import GenericAlias
-from typing import get_origin, Annotated
 import json
-import requests
 import random
-import time
 import re
-from chatglm.comfyUI_api import ComfyUIApi
+import time
+import traceback
+from copy import deepcopy
+from datetime import datetime
+from pprint import pformat
+from types import GenericAlias
+from typing import Annotated, get_origin
+
+import requests
 from func_news import News
 from zhdate import ZhDate
-from datetime import datetime
+
+from chatglm.comfyUI_api import ComfyUIApi
 
 _TOOL_HOOKS = {}
 _TOOL_DESCRIPTIONS = {}
diff --git a/func_chatglm.py b/func_chatglm.py
index 4cbb926..9fe57f3 100644
--- a/func_chatglm.py
+++ b/func_chatglm.py
@@ -1,17 +1,18 @@
 #! /usr/bin/env python3
 # -*- coding: utf-8 -*-
 
-from datetime import datetime
-
-import openai
 import json
 import os
 import random
-from chatglm.tool_registry import get_tools, dispatch_tool, extract_code
-from chatglm.code_kernel import execute, CodeKernel
-from typing import Dict, Union, Optional, Tuple
+from datetime import datetime
+from typing import Dict, Optional, Tuple, Union
+
+import openai
 from wcferry import Wcf
 
+from chatglm.code_kernel import CodeKernel, execute
+from chatglm.tool_registry import dispatch_tool, extract_code, get_tools
+
 functions = get_tools()
 
 
diff --git a/requirements.txt b/requirements.txt
index e82bf35..5950519 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,3 +12,4 @@ websocket
 pillow
 jupyter_client
 zhdate
+ipykernel 
\ No newline at end of file