update

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

@@ -513,6 +513,9 @@ public class StudentRegistrationServiceImpl extends BaseServiceImpl<Long, Studen
                 sysUser.setImToken(register.getToken());
                 teacherDao.updateUser(sysUser);
             } else {
+                if(!sysUser.getUserType().equals(SysUserType.STUDENT)){
+                    throw new BizException("您系统存在非学生的账户，不能注册学生");
+                }
                 sysUser.setPhone(studentRegistration.getParentsPhone());
                 sysUser.setRealName(studentRegistration.getParentsName());
                 sysUser.setUsername(studentRegistration.getName());