diff --git a/biz/prison/supervision_room_biz.py b/biz/prison/supervision_room_biz.py
index e5b2c93..5464ef8 100644
--- a/biz/prison/supervision_room_biz.py
+++ b/biz/prison/supervision_room_biz.py
@@ -12,8 +12,6 @@ import json
 
 from typing import Dict, Any, Tuple, List
 
-from openxlab.model.commands import Model
-
 from biz.base_frame_processor import BaseFrameProcessorWorker
 
 # -------------------------- Kadian 检测相关导入 --------------------------