change(ems) - 为蒸汽瞬时记录查询结果添加降序排序

- 在 EmsRecordSteamInstantMapper.xml 文件中，为 selectEmsRecordSteamInstant 查询添加了 order by ersi.obj_id desc 子句
- 此修改确保查询结果按 obj_id 字段降序排列

os-ems/src/main/resources/mapper/ems/record/EmsRecordSteamInstantMapper.xml

@@ -58,6 +58,7 @@
                 and ersi.record_time between #{params.beginRecordTime} and #{params.endRecordTime}
             </if>
         </where>
+        order by ersi.obj_id desc
     </select>
 
     <select id="selectEmsRecordSteamInstantByObjId" parameterType="Long" resultMap="EmsRecordSteamInstantResult">