diff --git a/backend/src/main/java/com/openisle/mapper/PostMapper.java b/backend/src/main/java/com/openisle/mapper/PostMapper.java
index 05dfd532a..a350908c4 100644
--- a/backend/src/main/java/com/openisle/mapper/PostMapper.java
+++ b/backend/src/main/java/com/openisle/mapper/PostMapper.java
@@ -67,7 +67,6 @@ public class PostMapper {
         dto.setCategory(categoryMapper.toDto(post.getCategory()));
         dto.setTags(post.getTags().stream().map(tagMapper::toDto).collect(Collectors.toList()));
         dto.setViews(post.getViews());
-        dto.setCommentCount(post.getCommentCount());
         dto.setStatus(post.getStatus());
         dto.setPinnedAt(post.getPinnedAt());
         dto.setRssExcluded(post.getRssExcluded() == null || post.getRssExcluded());
@@ -86,6 +85,7 @@ public class PostMapper {
         if (last == null) {
             commentService.updatePostCommentStats(post);
         }
+        dto.setCommentCount(post.getCommentCount());
         dto.setLastReplyAt(post.getLastReplyAt());
         dto.setReward(0);
         dto.setSubscribed(false);