update

edu-user/edu-user-biz/src/main/java/com/keao/edu/user/service/impl/ExamRegistrationServiceImpl.java

@@ -375,6 +375,9 @@ public class ExamRegistrationServiceImpl extends BaseServiceImpl<Long, ExamRegis
             throw new BizException("学员报名信息有误");
         }
         ExaminationBasic examinationBasic = examinationBasicDao.lockExam(er.getExaminationBasicId());
+        if(Objects.isNull(examinationBasic)){
+            throw new BizException("考级信息错误");
+        }
         if(ExamStatusEnum.RESULT_CONFIRM.equals(examinationBasic.getStatus())){
             throw new BizException("本次考级已结束");
         }