diff --git a/app/services/alarm_event_service.py b/app/services/alarm_event_service.py
index 34d4b05..12c7a4b 100644
--- a/app/services/alarm_event_service.py
+++ b/app/services/alarm_event_service.py
@@ -570,6 +570,11 @@ class AlarmEventService:
                 alarm.handle_status = "DONE"
                 alarm.handle_remark = "非工作时间自动关闭"
                 alarm.handled_at = datetime.now(timezone.utc)
+            elif resolve_type == "intrusion_cleared":
+                alarm.alarm_status = "CLOSED"
+                alarm.handle_status = "DONE"
+                alarm.handle_remark = "入侵消失自动关闭（持续无人180秒）"
+                alarm.handled_at = datetime.now(timezone.utc)
 
             alarm.updated_at = datetime.now(timezone.utc)
             db.commit()