diff --git a/main.py b/main.py
index fb7e39f..92585b8 100644
--- a/main.py
+++ b/main.py
@@ -736,6 +736,10 @@ class EdgeInferenceService:
                     algo = self._algorithm_manager.algorithms.get(roi_id, {}).get(f"{roi_id}_{bind.bind_id}", {}).get("leave_post")
                     if algo and hasattr(algo, 'set_last_alarm_id'):
                         algo.set_last_alarm_id(alarm_info.alarm_id)
+                elif alert_type == "intrusion":
+                    algo = self._algorithm_manager.algorithms.get(roi_id, {}).get(f"{roi_id}_{bind.bind_id}", {}).get("intrusion")
+                    if algo and hasattr(algo, 'set_last_alarm_id'):
+                        algo.set_last_alarm_id(alarm_info.alarm_id)
 
                 self._logger.info(
                     f"告警已生成: type={alert_type}, "