ok. i change query this way and it is work.is it optimize query??

select

BsH.SabtHazineId,

BsH.HazineID,

BsH.EndUserNAme,

BsH.Tedad,

BsH.sabtHazineDate,

BsH.Describtion,

Coalesce( BH.HazineName, H.HazineName ) as [HazineName],

Coalesce( BH.Mablagh, H.Mablagh ) as [Mablagh]

from AgencyBackupDB.dbo.SabtHazine as BSH

left outer join AgencyBackupDB.dbo.Hazine as BH on BH.HazineID = BSH.HazineID

left outer join dbo.Hazine as H on H.HazineID = BSH.HazineID