Cannot_Cancel_When_Application true (ISPICKVAL(Rental_Apply__r.Status__c, '申请中') || (ISPICKVAL(Rental_Apply__r.Add_Approval_Status__c, '申请中') && Wei_Request_approve_finish__c > 0 ) ) && ISCHANGED(Cancel_Select__c) && Cancel_Select__c = true Cancel_Select__c 需要撤回申请才能取消