Use UFDATA_002_2010 --这里要改为你的数套数据库名. update ufsystem..ua_identity Set iFatherId=(Select Max(iid) As ID From UFDATA_002_2010..Ap_CloseBill), iChildId=(Select Max(id) As AutoID From UFDATA_002_2010..Ap_CloseBills) Where cAcc_Id='002' And cVouchType='sk'  ...