修改展示bug

gic-evaluate-service/src/main/java/com/gic/evaluate/service/outer/impl/ProblemManageApiServiceImpl.java

@@ -19,6 +19,7 @@ import com.gic.evaluate.service.ProblemManageApiService;
 import com.gic.evaluate.service.ProblemReplyService;
 import com.gic.evaluate.service.ProblemService;
 import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.curator.shaded.com.google.common.collect.Lists;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -65,7 +66,7 @@ public class ProblemManageApiServiceImpl implements ProblemManageApiService {
             List<TabProblemImg> tabImgList = problemImgService.listImageByProblemId(problemId);
             List<String> list = Optional.ofNullable(tabImgList).orElse(Collections.emptyList()).stream().map(TabProblemImg::getImgUrl).collect(Collectors.toList());
             problemDTO.setImgList(list);
-        } else {
+        } else if (StringUtils.isNotBlank(problemDTO.getImageUrl())) {
             problemDTO.setImgList(Lists.newArrayList(problemDTO.getImageUrl()));
         }
         List<ProblemReplyDTO> replyList = problemReplyService.listReply(problemId);