diff --git a/iti/applications/routes/iot/endpoint_ctl.py b/iti/applications/routes/iot/endpoint_ctl.py
index bdd1d52..2c99b44 100644
--- a/iti/applications/routes/iot/endpoint_ctl.py
+++ b/iti/applications/routes/iot/endpoint_ctl.py
@@ -105,7 +105,7 @@ def delete_endpoint(id: int):
 
     endpoint = db.session.scalar(
         select(IotEndpoint)
-        .options(noload(IotEndpoint.workshop, IotEndpoint.device))
+        .options(noload(IotEndpoint.workshop), noload(IotEndpoint.device))
         .filter_by(id=id))
     if not endpoint:
         raise BizException("采集端不存在")