fix:bug

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/MusicSheetServiceImpl.java

@@ -453,7 +453,6 @@ public class MusicSheetServiceImpl extends ServiceImpl<MusicSheetDao, MusicSheet
 
     private void replaceMusicSheet(TeacherMusicSheetAuditReq param, MusicSheet musicSheet, Long originalMusicSheetId) {
         if (!musicSheet.getId().equals(originalMusicSheetId)) {
-            musicSheet.setId(originalMusicSheetId);
             MusicSheet originalMusicSheet = getById(originalMusicSheetId);
             originalMusicSheet.setId(param.getMusicSheetId());
             this.saveOrUpdate(originalMusicSheet);