srtsql2 = "update tblylkcb set [tblylkcb].[sqkc]=[tblylkcb].[jqkc], [tblylkcb].[jqkc]=(select (Sum([tbljhdmaintem].[sl]) +Sum([tbljhdmaintem].[zs]))as jqkc FROM tbljhdmaintem GROUP BY [tbljhdmaintem].[ylbh]) ) where [tblylkcb].[ylbh]=[tbljhdmaintem].[ylbh] ;"