diff --git a/apps/server/services/event/decision_engine.py b/apps/server/services/event/decision_engine.py
index 4923631..062c765 100644
--- a/apps/server/services/event/decision_engine.py
+++ b/apps/server/services/event/decision_engine.py
@@ -41,6 +41,7 @@ DEFAULT_CLASS_TO_EVENT: Dict[str, EventType] = {
     # 打架
     "fight": EventType.FIGHT,
     "fighting": EventType.FIGHT,
+    "violence": EventType.FIGHT,          # YOLO打架模型 (fight_detection) 正样本
     # 行为
     "loitering": EventType.LOITERING,
     "stationary": EventType.STATIONARY,