diff --git a/backend/dvadmin/system/views/message_center.py b/backend/dvadmin/system/views/message_center.py
index d46209f6a441e8fa7eafb2cf748f58c399c9b191..db91b756668b623f541e88ffdf4e0116b1b2ddae 100644
--- a/backend/dvadmin/system/views/message_center.py
+++ b/backend/dvadmin/system/views/message_center.py
@@ -36,6 +36,8 @@ class MessageCenterSerializer(CustomModelSerializer):
         return serializer.data
 
     def get_user_info(self, instance, parsed_query):
+        if instance.target_type  in (1,2,3):
+            return []
         users = instance.target_user.all()
         # You can do what ever you want in here
         # `parsed_query` param is passed to BookSerializer to allow further querying
@@ -106,6 +108,8 @@ class MessageCenterTargetUserListSerializer(CustomModelSerializer):
         return serializer.data
 
     def get_user_info(self, instance, parsed_query):
+        if instance.target_type  in (1,2,3):
+            return []
         users = instance.target_user.all()
         # You can do what ever you want in here
         # `parsed_query` param is passed to BookSerializer to allow further querying