diff --git a/apps/ecm/service.py b/apps/ecm/service.py
index b0cf0983..53e35679 100644
--- a/apps/ecm/service.py
+++ b/apps/ecm/service.py
@@ -89,12 +89,14 @@ def notify_event(event: Event, voice_msg=''):
         params['employee'] = ep_type + ep_name
     elif obj_cate == 'people':
         params['employee'] = '未知人员'
+    cats_list = []
     for i in event.cates.all():
-        params['event'] = params['event'] + i.name + ','
+        cats_list.append(i.name)
+    params['event'] = ','.join(cats_list)
     if params['employee']:
-        event.voice_msg = '位于{}的{},{}请及时处理'.format(params['area'], params['employee'], params['event'])
+        event.voice_msg = '位于{}的{},{},请及时处理'.format(params['area'], params['employee'], params['event'])
     else:
-        event.voice_msg = '在{}下,发生{}请及时处理'.format(params['area'], params['event'])
+        event.voice_msg = '在{}下,发生{},请及时处理'.format(params['area'], params['event'])
     if voice_msg:
         event.voice_msg = voice_msg
     event.save()