diff --git a/bonus-modules/bonus-material/src/main/resources/mapper/material/ma/MachineMapper.xml b/bonus-modules/bonus-material/src/main/resources/mapper/material/ma/MachineMapper.xml
index 89b3ae27..bc196c1c 100644
--- a/bonus-modules/bonus-material/src/main/resources/mapper/material/ma/MachineMapper.xml
+++ b/bonus-modules/bonus-material/src/main/resources/mapper/material/ma/MachineMapper.xml
@@ -729,7 +729,6 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             mm.ma_id as maId,
             mt2.type_name as maName,
             mt.type_name as maModel,
-            mt.type_name as maModel,
             mm.ma_code as maCode,
             mm.qr_code as qrCode,
             mm.type_id as typeId,