vardata=await_topicDetailServices.QueryPage(a =>!a.tdIsDelete&&a.tdSectendDetail=="tbug"&&((tid==0&&true)||(tid>0&&a.TopicId==tid))&&((a.tdName!=null&&a.tdName.Contains(key))||(a.tdDetail!=null&&a.tdDetail.Contains(key))),page,intPageSize," Id desc ");