fix

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

@@ -299,7 +299,7 @@ public class UserMusicServiceImpl extends ServiceImpl<UserMusicMapper, UserMusic
         for (UserMusicWrapper.UserMusic record : records) {
             SysUser sysUser = userMap.get(record.getUserId());
             if (sysUser != null) {
-                record.setUsername(sysUser.getUsername());
+                record.setUsername(StringUtils.isBlank(sysUser.getUsername())?sysUser.getRealName():sysUser.getUsername());
                 record.setAvatar(sysUser.getAvatar());
             }
             if (record.getClientType() == ClientEnum.STUDENT) {