添加相机开启录像判断

business-service/src/main/resources/mapper/service/MsgAlarmMapper.xml

@@ -248,6 +248,7 @@
                 AND date_format(a.alarm_time,'%Y-%m-%d %H:%i:%S') <= date_format(#{endAlarmTime},'%Y-%m-%d %H:%i:%S')
             </if>
         </where>
+        order by  a.alarm_time desc
     </select>
 
     <select id="getByAlarmId" resultType="com.ozs.service.entity.MsgAlarm" parameterType="java.lang.String">