bug

src/main/java/com/project/exam/domain/service/impl/AdminSearchExamRecordDomainServiceImpl.java

@@ -100,8 +100,10 @@ public class AdminSearchExamRecordDomainServiceImpl implements AdminSearchExamRe
         dto.setPictureDTOList(pictureDTOList);
         if (Objects.nonNull(dto.getSubLineId())) {
             ProductLineEntity productLine = productLineBaseService.getById(dto.getSubLineId());
+            if (Objects.nonNull(productLine)) {
                 dto.setSubLineName(productLine.getName());
             }
+        }
         if (BooleanUtil.isTrue(dto.getPass())) {
             dto.setPassText(ExamRecordPassTextEnum.Pass.getValue());
             dto.setPassHtml(ExamRecordPassTextEnum.Pass.getHtml());