diff --git a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/device/DevInfoMapper.xml b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/device/DevInfoMapper.xml
index 4a4ada5..977b1c9 100644
--- a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/device/DevInfoMapper.xml
+++ b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/device/DevInfoMapper.xml
@@ -372,7 +372,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         update ma_dev_info
         <trim prefix="SET" suffixOverrides=",">
             <if test="code != null and code != '' ">code = #{code},</if>
-            <if test="identifyCode != null and identifyCode != '' ">identifyCode = #{identify_code},</if>
+            <if test="identifyCode != null and identifyCode != '' ">identify_code = #{identifyCode},</if>
             <if test="deviceName != null and deviceName != '' ">device_name = #{deviceName},</if>
             <if test="deviceWeight != null">device_weight = #{deviceWeight},</if>
             <if test="deviceCount != null">device_count = #{deviceCount},</if>