diff --git a/ems-system/src/main/resources/mapper/ems/EmsAlarmRecordsMapper.xml b/ems-system/src/main/resources/mapper/ems/EmsAlarmRecordsMapper.xml
index dfaf614..5450ba4 100644
--- a/ems-system/src/main/resources/mapper/ems/EmsAlarmRecordsMapper.xml
+++ b/ems-system/src/main/resources/mapper/ems/EmsAlarmRecordsMapper.xml
@@ -176,6 +176,7 @@
             AND (date_format(t.alarm_start_time,'%Y%m%d') BETWEEN date_format(#{alarmStartTime},'%Y%m%d') and date_format(#{alarmEndTime},'%Y%m%d')
             or date_format(t.alarm_end_time,'%Y%m%d') BETWEEN date_format(#{alarmStartTime},'%Y%m%d') and date_format(#{alarmEndTime},'%Y%m%d') )
         </if>
+        order by t.alarm_start_time desc
     </select>
 
     <select id="getDeviceAlarmNum" resultType="java.lang.Integer">