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gic-evaluate-service/src/main/java/com/gic/evaluate/service/impl/ProblemReplyServiceImpl.java

@@ -39,7 +39,8 @@ public class ProblemReplyServiceImpl implements ProblemReplyService {
         }
         List<ProblemReplyDTO> problemReplyDTOList = EntityUtil.changeEntityListByJSON(ProblemReplyDTO.class, replyList);
         List<TabProblemImg> imgList = problemImgService.listImageByProblemId(problemId);
-        Map<Integer, List<String>> map = Optional.of(imgList).orElse(Collections.emptyList()).stream()
+        Map<Integer, List<String>> map = Optional.of(imgList).orElse(Collections.emptyList())
+                .stream().filter(e -> e.getProblemReplyId() != null)
                 .collect(Collectors.groupingBy(TabProblemImg::getProblemReplyId, Collectors.mapping(TabProblemImg::getImgUrl, Collectors.toList())));
         for (ProblemReplyDTO problemReplyDTO : problemReplyDTOList) {
             problemReplyDTO.setImgList(map.get(problemReplyDTO.getProblemReplyId()));