Repair_Discount_approval_Date_formula__c 2018年1月2日修改前： IF(ISBLANK(Repair_Quotation_Id__c),Repair_Discount_approval_Date__c,Repair_Quotation_Id__r.Discount_request_approval_date__c) false IF(ISBLANK(Repair_Quotation_Id__c),null,Repair_Quotation_Id__r.Discount_request_approval_date__c) 减价申请批准日 false false false Date