For_contract_loaner_only_active_contract
    false
    RecordTypeId  <> "01210000000RHIn"  && 
ISBLANK(Old_Rental_Apply__c) &&
(AND(RA_Status__c <> '已出库', Text(Status__c) <> '删除',  Text(Status__c) <> '取消',
ISPICKVAL(demo_purpose2__c, "保修合同用户维修代用"), 
ISBLANK(Repair__r.Maintenance_Contract__r.Name)))
    只有维修合同内的修理,可以申请维修合同代用品