diff --git a/das/src/main/resources/mapper/SysImpTabMappingMapper.xml b/das/src/main/resources/mapper/SysImpTabMappingMapper.xml
index bf60e775..f388d7be 100644
--- a/das/src/main/resources/mapper/SysImpTabMappingMapper.xml
+++ b/das/src/main/resources/mapper/SysImpTabMappingMapper.xml
@@ -105,7 +105,10 @@
     </select>
 
     <select id="getBindDeviceByLink" resultMap="EquipmentMap">
-        select t.id ,t."name",t.iot_model_id,t.iot_addr from sys_equipment t where t.id in (select distinct equipment_id  from sys_imptabmapping where link_id =#{linkId})
+        select se.id ,se."name",se.iot_model_id,se.iot_addr,min( imp.porder) as porder from sys_imptabmapping imp
+        left join sys_equipment se on imp.equipment_id = se.id
+        where link_id = #{linkId}
+        group by se.id ,se."name",se.iot_model_id,se.iot_addr order by porder
     </select>
 
     <delete id="deleteMappingByLinkId">