Can_Not_Change_Received_Confirm true (ISPICKVAL(Rental_Apply__r.ExtensionStatus__c, '申请中') || ISPICKVAL(Rental_Apply__r.ExtensionStatus__c, '已批准') || ISPICKVAL(Rental_Apply__r.ExtensionStatus__c, '驳回') ) && ISCHANGED(Received_Confirm__c) && Demo_purpose1__c == '产品试用' Received_Confirm__c 提交延期审批后不能修改现场收到确认结果