fix(product): 修复商品基础查询映射配置

- 移除多余的字段别名映射避免SQL语法错误
- 修复Mapper XML文件中的标签闭合问题

ruoyi-modules/ruoyi-product/src/main/resources/mapper/product/ProductBaseMapper.xml

@@ -317,7 +317,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         LEFT JOIN product_category bc ON b.bottom_category_id = bc.id AND bc.del_flag = '0'
         LEFT JOIN product_unit u ON b.unit_id = u.id AND u.del_flag = '0'
         ${ew.customSqlSegment}
-                b.is_customize AS isCustomize,</select>
+    </select>
 
     <!-- 查询商品状态统计信息（优化版） -->
     <select id="selectProductStatusCount" resultType="org.dromara.product.domain.vo.StatusCountVo">