以下SQL语句执行出错，程序意外中止，请联系官方解决：

select top 32 T1.id,T1.ChildNum,T1.Title,T1.FaceIcon,T1.LastTime,T1.Hits,T1.Length,T1.UserName,T1.UserID,T1.RootID,T1.LastUser,T1.NotReplay,T1.GoodFlag,T1.BoardID,T1.TopicType,T1.PollNum,T1.TitleStyle,T1.LastInfo,T1.ndatetime,T1.GoodAssort,T1.NeedValue,T2.UserName,T2.ID,T2.TrueName,T3.extent_content,'' from ((LeadBBS_Announce as T1 with (index(IX_LeadBBS_Announce_ParentID)) left join LeadBBS_User as T2 on T2.Id=T1.Userid) left join leadbbs_extend as T3 on (T3.ClassType=200 and T1.ID=T3.extendID)) where T1.ParentID=0 and T1.boardid=107 and T1.rootid<=157849 order by T1.RootID DESC

错误描述: 查询超时已过期