1、提交作业添加限制；

2、服务指标；

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

@@ -1298,7 +1298,7 @@ public class PracticeGroupServiceImpl extends BaseServiceImpl<Long, PracticeGrou
         if (Objects.isNull(subjectId)) {
             throw new BizException("请选择声部");
         }
-        SysUser sysUser = sysUserFeignService.queryUserById(userId);
+        SysUser sysUser = teacherDao.getUser(userId);
         if (Objects.isNull(sysUser)) {
             throw new BizException("用户不存在");
         }