发现排序

xx-im/xx-im-server/src/main/java/com/xxfc/platform/im/biz/MsgBiz.java

@@ -130,6 +130,7 @@ public class MsgBiz {
         for (Msg msg : list) {
             //添加评论
             Query query = new Query(Criteria.where("msgId").is(msg.getId()));
+            query.with(new Sort(Sort.Direction.DESC, "time"));
             List<Comment> comments = mongoTemplate.find(query, Comment.class, "s_comment");
             msg.setComments(replaceCommentResult(comments));