Amount_Change__c false if(Change_type__c == '盘点', (Sample_order_list_detail__r.Inventory_Check__c - Sample_order_list_detail__r.ItemQuantity__c), if(Change_type__c == '订货入库', Sample_order_list_detail__r.ItemQuantity__c, 0)) BlankAsZero 数量变化(最小单位) 18 false 0 false false Number false