|  | @@ -1247,7 +1247,7 @@ public class RoomServiceImpl implements RoomService {
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				|  |  |                  .type(typeEnum.ordinal())
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				|  |  |                  .enable(enable)
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				|  |  |                  .targetId(userId)
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				|  |  | -                .targetName(authUser.getUsername())
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				|  |  | +                .targetName(Optional.ofNullable(data.getUserName()).orElse(authUser.getUsername()))
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				|  |  |                  .songId(Optional.ofNullable(data.getMusicScoreAccompanimentId()).map(String::valueOf).orElse(null))
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				|  |  |                  .songVolume(data.getSoundVolume())
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				|  |  |                  .sendUserInfo(RTCRoomMessage.MessageUser.builder()
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				|  | @@ -1433,6 +1433,7 @@ public class RoomServiceImpl implements RoomService {
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				|  |  |              List<BasicUserDto> students = courseScheduleStudentPaymentDao.findStudents(courseScheduleId);
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				|  |  |              for (BasicUserDto e : students) {
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				|  |  |                  data.setUserId(e.getUserId().toString());
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				|  |  | +                data.setUserName(e.getName());
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				|  |  |                  controlDevice(data);
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				|  |  |              }
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				|  |  |              return true;
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				|  | @@ -2227,7 +2228,7 @@ public class RoomServiceImpl implements RoomService {
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				|  |  |                      .build();
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				|  |  |  
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				|  |  |              RTCRoomMessage roomMessage = RTCRoomMessage.builder()
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				|  |  | -                    .objectName(RTCRoomMessage.PLAY_MIDI_MESSAGE)
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				|  |  | +                    .objectName(RTCRoomMessage.MUSIC_SCORE_MESSAGE)
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				|  |  |                      .content(messageContent)
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				|  |  |                      .toChatRoomId(roomId)
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				|  |  |                      .fromUserId(String.valueOf(authUser.getId()))
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