Lost_item_Memo_F__c BlankValue(Lost_item_Memo_Final__c, Lost_item_Memo__c) false if( and(text(Check_lost_Item__c)='欠品',isblank(text(Check_lost_Item_Final__c))),Lost_item_Memo__c, if(text(Check_lost_Item_Final__c)='欠品',Lost_item_Memo_Final__c,'' ) ) BlankAsZero 欠品备注 false false false Text false