Campaign_SubreportStatus_Confim
    true
    学会已提交报告状态确认
    AND(  TEXT(demo_purpose2__c) = '学会展会',
IF( Campaign__c != null , 
  IF( TEXT(Campaign__r.Status) = '已提交报告' , true, false), 
false))&&or(isnew(),text(Status__c)=='草案中')&& Not(ischanged(Loaner_cancel_request__c))
    学会已提交报告,不能保存