udpate

mec-im/src/main/java/com/ym/service/Impl/RoomServiceImpl.java

@@ -631,7 +631,7 @@ public class RoomServiceImpl implements RoomService {
             display += "?userId=" + targetUserId + "?uri=" + uri;
             roomDao.updateDisplayByRid(roomId, display);
             DisplayMessage displayMessage = new DisplayMessage(display);
-            imHelper.publishMessage(targetUserId, roomId, displayMessage);
+            imHelper.publishMessage(userId, roomId, displayMessage);
             log.info("change display to screen: roomId={}, display={}", roomId, display);
         } else {
             display += "?userId=" + userId + "?uri=" + uri;