diff --git a/pilot/server/webserver.py b/pilot/server/webserver.py
index daa79dfd2..270f3b681 100644
--- a/pilot/server/webserver.py
+++ b/pilot/server/webserver.py
@@ -207,7 +207,7 @@ def post_process_code(code):
 def get_chat_mode(selected, param=None) -> ChatScene:
     if chat_mode_title["chat_use_plugin"] == selected:
         return ChatScene.ChatExecution
-    elif  chat_mode_title["sql_generate_diagnostics"] == selected:
+    elif chat_mode_title["sql_generate_diagnostics"] == selected:
         sql_mode = param
         if sql_mode == conversation_sql_mode["auto_execute_ai_response"]:
             return ChatScene.ChatWithDbExecute
@@ -225,7 +225,6 @@ def get_chat_mode(selected, param=None) -> ChatScene:
             return ChatScene.ChatNormal
 
 
-
 def chatbot_callback(state, message):
     print(f"chatbot_callback:{message}")
     state.messages[-1][-1] = f"{message}"
@@ -406,7 +405,6 @@ def build_single_model_ui():
     tabs.select(on_select, None, selected)
 
     with tabs:
-
         tab_qa = gr.TabItem(get_lang_text("knowledge_qa"), elem_id="QA")
         with tab_qa:
             mode = gr.Radio(
@@ -521,7 +519,6 @@ def build_single_model_ui():
                 )
                 plugin_selector.select(plugin_change, None, plugin_selected)
 
-
     with gr.Blocks():
         chatbot = grChatbot(elem_id="chatbot", visible=False).style(height=550)
         with gr.Row():
@@ -652,12 +649,12 @@ def async_db_summery():
     thread = threading.Thread(target=client.init_db_summary)
     thread.start()
 
+
 def signal_handler(sig, frame):
     print("in order to avoid chroma db atexit problem")
     os._exit(0)
 
 
-
 if __name__ == "__main__":
     parser = argparse.ArgumentParser()
     parser.add_argument("--host", type=str, default="0.0.0.0")