增加查询排序

src/Hotline.Application/Knowledge/KnowApplication.cs

@@ -95,6 +95,7 @@ namespace Hotline.Application.Knowledge
            .MergeTable()
            //取第一条数据
            .Where(d => d.index == 1)
+           .OrderByDescending(d=>d.CreationTime)
           //转分页数据
           .ToPageListAsync(pagedDto.PageIndex, pagedDto.PageSize, total);
             //返回数据