diff --git a/maubot_llmplus/thrid_platform.py b/maubot_llmplus/thrid_platform.py
index f3c5999..14bc540 100644
--- a/maubot_llmplus/thrid_platform.py
+++ b/maubot_llmplus/thrid_platform.py
@@ -1,5 +1,7 @@
 import json
 
+from typing import List
+
 from aiohttp import ClientSession
 from mautrix.types import MessageEvent
 from mautrix.util.config import BaseProxyConfig