diff --git a/sgzb-modules/sgzb-base/src/main/resources/mapper/base/MaMachineTypeMapper.xml b/sgzb-modules/sgzb-base/src/main/resources/mapper/base/MaMachineTypeMapper.xml
index d0927140..716e9d22 100644
--- a/sgzb-modules/sgzb-base/src/main/resources/mapper/base/MaMachineTypeMapper.xml
+++ b/sgzb-modules/sgzb-base/src/main/resources/mapper/base/MaMachineTypeMapper.xml
@@ -397,6 +397,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         LEFT JOIN ( SELECT * FROM ma_type_file WHERE file_type = '1' ) mtf ON m.type_id = mtf.type_id
         WHERE
         m.del_flag = '0'
+        GROUP BY m.parent_id
         ) mt on mt.parent_id = m.type_id
         <where>
             m.level != 4 and m.del_flag = '0'