fix:新增注释

ruoyi-modules/ruoyi-commodityManagement/src/main/java/org/dromara/commodityManagement/mapper/BrandMapper.java

@@ -4,6 +4,9 @@ import org.dromara.commodityManagement.domain.Brand;
 import org.dromara.commodityManagement.domain.vo.BrandVo;
 import org.dromara.common.mybatis.core.mapper.BaseMapperPlus;
 
+/**
+ * 品牌Mapper
+ */
 public interface BrandMapper extends BaseMapperPlus<Brand, BrandVo> {
 
 }