diff --git a/src/main/resources/mapper/yingji/AlarmMapper.xml b/src/main/resources/mapper/yingji/AlarmMapper.xml
index 9d30dd2..d557995 100644
--- a/src/main/resources/mapper/yingji/AlarmMapper.xml
+++ b/src/main/resources/mapper/yingji/AlarmMapper.xml
@@ -42,6 +42,7 @@
                 and ai_num <= #{req.aiNumMax}
             </if>
         </where>
+        order by update_time desc
     </select>
 
     <select id="findAll" resultType="com.yingji.entity.Alarm">
@@ -81,5 +82,6 @@
                 and ai_num &lt;= #{req.aiNumMax}
             </if>
         </where>
+        order by update_time desc
     </select>
 </mapper>
\ No newline at end of file