Lost_item_check_time_F__c false if( NOT(ISNULL(Loaner_Giveup_Time__c)),Loaner_Giveup_Time__c, if( NOT(ISNULL(Lost_item_check_time_Final__c)),Lost_item_check_time_Final__c,Lost_item_check_time__c )) BlankAsZero 欠品确认时间 false false DateTime