Merge branch 'online_music_library' of http://git.dayaedu.com/yonge/mec

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

@@ -334,7 +334,7 @@ public class RoomServiceImpl implements RoomService {
             String examJson = courseScheduleStudentPaymentDao.getExamJsonByCourseIdAndUserId(schedule.getId(), Integer.parseInt(userId));
             if(StringUtils.isNotEmpty(examJson)){
                 ExamSongDownloadData examSongDownloadData = JSON.parseObject(examJson, ExamSongDownloadData.class);
-                playMidi = examSongDownloadData.getEnable();
+                examSong = examSongDownloadData.getEnable();
             }
         }
         msg.setHandUpOn(roomMember.isHand());