diff --git a/order-management-consumer/src/main/resources/mybatis/mapper/GroupCommodityCodeMapper.xml b/order-management-consumer/src/main/resources/mybatis/mapper/GroupCommodityCodeMapper.xml
index 0d49bdc6..afbca43c 100644
--- a/order-management-consumer/src/main/resources/mybatis/mapper/GroupCommodityCodeMapper.xml
+++ b/order-management-consumer/src/main/resources/mybatis/mapper/GroupCommodityCodeMapper.xml
@@ -124,7 +124,7 @@
         <bind name="dataType" value="${dataType}"/>
         <include refid="baseSelect"/>
         <where>
-            <if test="zxbm != null and encoding != ''">
+            <if test="zxbm != null and zxbm != ''">
                 cc.encoding = #{zxbm}
             </if>
             <if test="commodityId != null and commodityId != ''" >