AdviceManageAppMapper.xml: replace NULL AS remark with scalar subquery from wor_service_request for both medication and device request branches. DoctorStationAdviceAppMapper.xml: add remark column to 5 sub-queries - 3 via wor_service_request scalar subquery - 1 as NULL (charge items without matching service request) - 1 as T1.remark (direct from wor_service_request)