diff --git a/luoo_comment/src/main/java/com/luoo/comment/dao/CommentDao.java b/luoo_comment/src/main/java/com/luoo/comment/dao/CommentDao.java
index ee83f44..ec7b5ce 100644
--- a/luoo_comment/src/main/java/com/luoo/comment/dao/CommentDao.java
+++ b/luoo_comment/src/main/java/com/luoo/comment/dao/CommentDao.java
@@ -10,7 +10,7 @@ import java.util.List;
 public interface CommentDao extends MongoRepository<Comment,String> {
 
     public Page<Comment> findByParentId(String parentId, Pageable pageable);
-    public Page<Comment> findByRootIdAndReplyToUserIdNotNull(String rootId, Pageable pageable);
+    public Page<Comment> findByRootIdAndReplyToUserIdNotNullOrderByPublishTimeDesc(String rootId, Pageable pageable);
     public Page<Comment> findByJournalId(String journalId, Pageable pageable);
     public Page<Comment> findByJournalIdOrderByPublishTimeDesc(String journalId, Pageable pageable);
     public Page<Comment> findByJournalIdOrderByThumbupCountDesc(String journalId, Pageable pageable);
diff --git a/luoo_comment/src/main/java/com/luoo/comment/service/CommentService.java b/luoo_comment/src/main/java/com/luoo/comment/service/CommentService.java
index 28f2eff..f1fe243 100644
--- a/luoo_comment/src/main/java/com/luoo/comment/service/CommentService.java
+++ b/luoo_comment/src/main/java/com/luoo/comment/service/CommentService.java
@@ -184,7 +184,7 @@ public class CommentService {
     public Page<Comment> findByParentId(String parentId, int page, int size) {
 
         Pageable pageable = PageRequest.of(page-1,size);
-        return commentDao.findByRootIdAndReplyToUserIdNotNull(parentId,pageable);
+        return commentDao.findByRootIdAndReplyToUserIdNotNullOrderByPublishTimeDesc(parentId,pageable);
 
     }