消息发送方改为主讲人

mec-biz/src/main/java/com/ym/mec/biz/service/impl/ImLiveBroadcastRoomServiceImpl.java

@@ -980,7 +980,7 @@ public class ImLiveBroadcastRoomServiceImpl extends ServiceImpl<ImLiveBroadcastR
         LiveRoomMessage message = LiveRoomMessage.builder()
                 .isIncludeSender(1)
                 .objectName(LiveRoomMessage.STAT_SYNC)
-                .fromUserId(userid)
+                .fromUserId(roomVo.getSpeakerId().toString())
                 .toChatRoomId(roomVo.getRoomUid())
                 .content(messageContent)
                 .build();