diff --git a/urbanLifelineServ/workcase/src/main/java/org/xyzh/workcase/service/ChatRoomServiceImpl.java b/urbanLifelineServ/workcase/src/main/java/org/xyzh/workcase/service/ChatRoomServiceImpl.java
index 0a4711b1..5c3656d9 100644
--- a/urbanLifelineServ/workcase/src/main/java/org/xyzh/workcase/service/ChatRoomServiceImpl.java
+++ b/urbanLifelineServ/workcase/src/main/java/org/xyzh/workcase/service/ChatRoomServiceImpl.java
@@ -98,6 +98,7 @@ public class ChatRoomServiceImpl implements ChatRoomService {
                 guestMember.setUserType("guest");
                 guestMember.setStatus("active");
                 guestMember.setJoinTime(new Date());
+                guestMember.setCreator(chatRoom.getGuestId());
                 guestMember.setUnreadCount(0);
                 chatRoomMemberMapper.insertChatRoomMember(guestMember);
             }
@@ -577,6 +578,7 @@ public class ChatRoomServiceImpl implements ChatRoomService {
             member.setOptsn(IdUtil.getOptsn());
             member.setRoomId(roomId);
             member.setUserId(service.getUserId());
+            member.setCreator(service.getUserId());
             member.setUserType("staff");
             member.setUserName(service.getUsername());
             member.setStatus("active");