Merge remote-tracking branch 'origin/dev' into dev

themis-business/src/main/java/com/qmth/themis/business/service/impl/TOeExamRecordServiceImpl.java

@@ -806,6 +806,6 @@ public class TOeExamRecordServiceImpl extends ServiceImpl<TOeExamRecordMapper, T
 
     @Override
     public TOeExamRecord findOneByExamId(Long examId, ExamRecordStatusEnum status) {
-        return tOeExamRecordMapper.findOneByExamId(examId, status.name());
+        return tOeExamRecordMapper.findOneByExamId(examId, status==null?null:status.name());
     }
 }