fix 基础技能课课酬 2.0按3.0 结算方式

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

@@ -283,6 +283,9 @@ public class StudentRegistrationServiceImpl extends BaseServiceImpl<Long, Studen
             ImResult register = imFeignService.register(new ImUserModel(userId.toString(), sysUser.getUsername(), sysUser.getAvatar()));
             sysUser.setImToken(register.getToken());
         }
+        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.setUserType(SysUserType.STUDENT);
         sysUser.setOrganId(studentRegistration.getOrganId());
         sysUser.setRealName(studentRegistration.getParentsName());