fix

@@ -61,7 +61,7 @@ public class TopicServiceImpl implements ITopicService {
         String groupName = req.getGroupName();
         Integer startTime = req.getStartTime();
         Integer endTime = req.getEndTime();
-        req.setHasArticleTop(req.getHasArticleTop() == -1 ? null : req.getHasArticleTop());
+        req.setHasArticleTop((req.getHasArticleTop() != null && req.getHasArticleTop() == -1) ? null : req.getHasArticleTop());
         int total = grassTopicDAO.countByCondition(status,isOfficial,topicName,groupName,isHot,startTime,endTime,req.getHasArticleTop());
         List<TopicRespBo> pageData = new ArrayList<>();
         if(total > 0){