diff --git a/dao/settings.py b/dao/settings.py
index 468b808..e893f44 100644
--- a/dao/settings.py
+++ b/dao/settings.py
@@ -97,7 +97,7 @@ DISH_LIVE_MOTION_SIM_WITH_ORDER = float(os.environ.get('DISH_LIVE_MOTION_SIM_WIT
 # 同一批菜品订单防抖：菜名未变不重复存图/统计；短间隔内亦抑制重复落单
 DISH_LIVE_ORDER_DEBOUNCE_SECONDS = float(os.environ.get('DISH_LIVE_ORDER_DEBOUNCE_SECONDS', '0.5'))
 # 无餐盘持续该秒数后清场解锁，允许下一盘（含相同菜名）重新存图/上报
-DISH_LIVE_ORDER_CLEAR_HOLD_SECONDS = float(os.environ.get('DISH_LIVE_ORDER_CLEAR_HOLD_SECONDS', '1.5'))
+DISH_LIVE_ORDER_CLEAR_HOLD_SECONDS = float(os.environ.get('DISH_LIVE_ORDER_CLEAR_HOLD_SECONDS', '0.5'))
 
 DEBUG = True