diff --git a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageService.java b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageService.java
index 9e7c6cf..9754c0f 100644
--- a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageService.java
+++ b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageService.java
@@ -327,6 +327,7 @@ public class MessageService extends MybatisBaseService<MessageMapper, Message> {
         messageDto.setMsgSource("抄送");
         messageDto.setApp_type(dto.getApp_type());
         messageDto.setModuleSid(dto.getModuleSid());
+        messageDto.setBusinessSid(dto.getBusinessSid());
         //将json与appMap中的参数融合
         Map<String, Object> jsonMap = BeanUtil.beanToMap(dto.getJson());
         jsonMap.putAll(dto.getJson().getAppMap());