diff --git a/apps/ecm/service.py b/apps/ecm/service.py
index 80b0e274..943a88e6 100644
--- a/apps/ecm/service.py
+++ b/apps/ecm/service.py
@@ -311,6 +311,7 @@ def dispatch_dahua_event(data: dict):
         algo__code=None).order_by('algo__priority', 'algo__create_time').values('id', 'algo', 'algo__code')
     cates = []  # 触发的事件种类
     algo_codes = []  # 需要执行的ai算法
+    ec_codes = {}  # 算法返回的信息
     for i in algo_channels:
         if i['algo__code'] == str(alarm_type):
             cates.append(i['algo'])