diff --git a/zlpt-modules/zlpt-equip/src/main/resources/mapper/DevInfoMapper.xml b/zlpt-modules/zlpt-equip/src/main/resources/mapper/DevInfoMapper.xml
index b4dd3dd..9c0a72e 100644
--- a/zlpt-modules/zlpt-equip/src/main/resources/mapper/DevInfoMapper.xml
+++ b/zlpt-modules/zlpt-equip/src/main/resources/mapper/DevInfoMapper.xml
@@ -243,8 +243,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 
     <select id="selectDevInfoByMaId" parameterType="Long" resultType="com.bonus.zlpt.equip.api.domain.vo.DevInfoVo">
         select d.*,c.company_name,c.create_time as company_create_time,c.logo_url as company_logo_url,
-               c.auth_phone,ty.type_name as device_name,
-               ty.parent_name as group_name,ty.grandpa_name as type_name,
+               c.auth_phone, mt1.type_name as device_name,
+               mt2.type_name as group_name, mt3.type_name as type_name,
                col.id as collect_id, up.status as is_audit,h.search_num
         from ma_dev_info d
                  left join bm_company_info c on d.own_co = c.company_id
@@ -252,13 +252,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                  left join ma_up_off up on d.ma_id = up.ma_id
                  left join ma_hot_search h on d.ma_id = h.ma_id
                  left join ma_type_info t on d.type_id = t.type_id
-                 left join (
-            select tt.*, pp.type_name as grandpa_name from
-                (select t.*, p.type_name as parent_name,p.type_id as p_type_id, p.parent_id as p_parent_id
-                 from ma_type_info t
-                          left join ma_type_info p on t.parent_id=p.type_id) tt
-                    left join ma_type_info pp on tt.p_parent_id = pp.type_id
-        ) ty on d.type_id=ty.type_id
+                 left join ma_type_info mt1 on d.type_id = mt1.type_id
+                 left join ma_type_info mt2 on mt1.parent_id = mt2.type_id
+                 left join ma_type_info mt3 on mt2.parent_id = mt3.type_id
         where d.ma_id = #{maId} and  d.is_active='1'
     </select>
 <!--    <select id="selectDevInfoByMaId" parameterType="Long" resultType="com.bonus.zlpt.equip.api.domain.vo.DevInfoVo">-->