Extend_Date_F__c IF(Demo_purpose1__c == '维修代用' , IF(NOT(ISBLANK(Rental_Apply__r.NewRepair__c)) && NOT(ISBLANK(Rental_Apply__r.ExtensionApprovalDate__c)), IF(NOT(ISBLANK(Rental_Apply__r.NewRepair_Repair_Shipped_Date__c)) , null, Rental_Apply__r.RcUnexpectExpiryDelay__c) , null ) , IF((Demo_purpose1__c == '产品试用' || Demo_purpose1__c == '协议借用') && NOT(ISBLANK(Rental_Apply__r.ExtensionApprovalDate__c)), Rental_Apply__r.RcUnexpectExpiryDelay__c , null ) ) false IF(Demo_purpose1__c == '维修代用' , IF(NOT(ISBLANK(Rental_Apply__r.NewRepair__c)) && NOT(ISBLANK(Rental_Apply__r.ExtensionApprovalDate__c)), IF(NOT(ISBLANK(Rental_Apply__r.NewRepair_Repair_Shipped_Date__c)) , Rental_Apply__r.NewRepair_Repair_Shipped_Date__c + 14, Rental_Apply__r.RcUnexpectExpiryDelay__c) , null ) , IF((Demo_purpose1__c == '产品试用' || Demo_purpose1__c == '协议借用') && NOT(ISBLANK(Rental_Apply__r.ExtensionApprovalDate__c)), Rental_Apply__r.RcUnexpectExpiryDelay__c , null ) ) BlankAsZero 延期时间F false false false Date