生成数据：mattergen改成了同步

mars_toolkit/query/web_search.py

@@ -5,6 +5,7 @@ This module provides functions for searching information on the web.
 """
 
 import asyncio
+import os
 from typing import Annotated, Dict, Any, List
 
 from langchain_community.utilities import SearxSearchWrapper
@@ -28,6 +29,8 @@ async def search_online(
         Formatted string with search results (titles, snippets, links)
     """
     # 确保 num_results 是整数
+    os.environ['HTTP_PROXY'] = ''
+    os.environ['HTTPS_PROXY'] = ''
     try:
         num_results = int(num_results)
     except (TypeError, ValueError):