diff --git a/pilot/__init__.py b/pilot/__init__.py
index b6865c44c..b1d1cd3d2 100644
--- a/pilot/__init__.py
+++ b/pilot/__init__.py
@@ -1,11 +1,5 @@
 from pilot.source_embedding import (SourceEmbedding, register)
 
-import os
-import sys
-
-ROOT_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-sys.path.append(ROOT_PATH)
-
 __all__ = [
     "SourceEmbedding",
     "register"
diff --git a/pilot/configs/model_config.py b/pilot/configs/model_config.py
index af6c138b5..ad81a6e79 100644
--- a/pilot/configs/model_config.py
+++ b/pilot/configs/model_config.py
@@ -28,12 +28,5 @@ ISDEBUG = False
 
 
 VECTOR_SEARCH_TOP_K = 3
-# LLM_MODEL = "vicuna-13b"
-# LIMIT_MODEL_CONCURRENCY = 5
-# MAX_POSITION_EMBEDDINGS = 4096
-# VICUNA_MODEL_SERVER = "http://121.41.167.183:8000"
-
-
-
 VS_ROOT_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)), "vs_store")
 KNOWLEDGE_UPLOAD_ROOT_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)), "knowledge")
\ No newline at end of file
diff --git a/pilot/server/webserver.py b/pilot/server/webserver.py
index 3ed989b07..233655381 100644
--- a/pilot/server/webserver.py
+++ b/pilot/server/webserver.py
@@ -6,6 +6,7 @@ import os
 import shutil
 import uuid
 import json
+import sys
 import time
 import gradio as gr
 import datetime
@@ -13,8 +14,7 @@ import requests
 from urllib.parse import urljoin
 
 from langchain import PromptTemplate
-import os
-import sys
+
 
 ROOT_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 sys.path.append(ROOT_PATH)