@@ -148,6 +148,7 @@ public class CommunityArticleServiceImpl extends ServiceImpl<CommunityArticleMap
List<Long> classIds = communityArticle.getClassIds();
System.out.println("classIds: " + classIds);
if (classIds != null && classIds.contains(0L)) { // Check for null and then use contains()
+ classIds = null;
searchType = 3;
}