diff --git a/zc-business/src/main/resources/mapper/business/DcDeviceMapper.xml b/zc-business/src/main/resources/mapper/business/DcDeviceMapper.xml
index ac812fba..722e32ac 100644
--- a/zc-business/src/main/resources/mapper/business/DcDeviceMapper.xml
+++ b/zc-business/src/main/resources/mapper/business/DcDeviceMapper.xml
@@ -78,7 +78,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         t1.create_time,t1.update_time,t1.facilities_type,t1.device_ip,t1.stake_mark_range,t1.network_segment,t1.device_img,t1.child_type,
         t1.facilities_type,t2.longitude,t2.latitude,t3.manufacturer
         from dc_device t1
-        left join dc_stake_mark t2 on t1.stake_mark = t2.stake_mark
+        left join dc_stake_mark t2 on t1.stake_mark = t2.stake_mark and t1.direction = t2.direction
         left join dc_product t3 on t3.id = t1.product_id
         <where>
             <if test="id != null  and id != ''">and t1.id = #{id}</if>