diff --git a/ucloud/core/transport/_requests.py b/ucloud/core/transport/_requests.py
index f7b44d8a..637cb93b 100644
--- a/ucloud/core/transport/_requests.py
+++ b/ucloud/core/transport/_requests.py
@@ -80,6 +80,7 @@ def _send(self, req: Request, **options: typing.Any) -> requests.Response:
                 data=req.data,
                 params=req.params,
                 headers=req.headers,
+                timeout=options.get('timeout'),
                 **kwargs
             )
             resp = self.convert_response(session_resp)