修复不会删除旧引用数量的问题

src/main/java/cn/meteor/beyondclouds/modules/blog/service/impl/BlogServiceImpl.java

@@ -368,7 +368,7 @@ public class BlogServiceImpl extends ServiceImpl<BlogMapper, Blog> implements IB
                     List<String> referencedTopicIds =
                             topicReferenceService.list(topicReferenceQueryWrapper).stream()
                                     .map(TopicReference::getTopicId).collect(Collectors.toList());
-                    if (CollectionUtils.isEmpty(referencedTopicIds)) {
+                    if (!CollectionUtils.isEmpty(referencedTopicIds)) {
                         // 减少话题引用测试
                         topicService.decreaseReferenceCountBatch(referencedTopicIds, 1);
                     }
@@ -405,7 +405,7 @@ public class BlogServiceImpl extends ServiceImpl<BlogMapper, Blog> implements IB
                     List<String> referencedTagIds =
                             blogTagService.list(blogTagQueryWrapper).stream()
                                     .map(BlogTag::getTagId).collect(Collectors.toList());
-                    if (CollectionUtils.isEmpty(referencedTagIds)) {
+                    if (!CollectionUtils.isEmpty(referencedTagIds)) {
                         // 减少标签引用次数
                         tagService.decreaseReferenceCountBatch(referencedTagIds, 1);
                     }

src/main/java/cn/meteor/beyondclouds/modules/question/service/impl/QuestionServiceImpl.java

@@ -331,7 +331,7 @@ public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, Question> i
                     List<String> referencedTopicIds =
                             topicReferenceService.list(topicReferenceQueryWrapper).stream()
                                     .map(TopicReference::getTopicId).collect(Collectors.toList());
-                    if (CollectionUtils.isEmpty(referencedTopicIds)) {
+                    if (!CollectionUtils.isEmpty(referencedTopicIds)) {
                         // 减少话题引用数量
                         topicService.decreaseReferenceCountBatch(referencedTopicIds, 1);
                     }
@@ -369,7 +369,7 @@ public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, Question> i
                     List<String> referencedTagIds =
                             questionTagService.list(questionTagQueryWrapper).stream()
                                     .map(QuestionTag::getTagId).collect(Collectors.toList());
-                    if (CollectionUtils.isEmpty(referencedTagIds)) {
+                    if (!CollectionUtils.isEmpty(referencedTagIds)) {
                         // 减少标签引用数量
                         tagService.decreaseReferenceCountBatch(referencedTagIds, 1);
                     }