diff --git a/astrbot/dashboard/routes/chat.py b/astrbot/dashboard/routes/chat.py
index c8532bde..bd3378fb 100644
--- a/astrbot/dashboard/routes/chat.py
+++ b/astrbot/dashboard/routes/chat.py
@@ -5,7 +5,6 @@ import os
 import uuid
 from contextlib import asynccontextmanager
 
-from quart import Response as QuartResponse
 from quart import g, make_response, request, send_file
 
 from astrbot.core import logger