diff --git a/yami-shop-service/src/main/resources/mapper/CategoryBrandMapper.xml b/yami-shop-service/src/main/resources/mapper/CategoryBrandMapper.xml
new file mode 100644
index 0000000..674df73
--- /dev/null
+++ b/yami-shop-service/src/main/resources/mapper/CategoryBrandMapper.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.yami.shop.dao.CategoryBrandMapper">
+    <!-- resultMap定义了数据库表字段与Java对象属性之间的映射关系 -->
+    <resultMap id="BaseResultMap" type="com.yami.shop.bean.model.CategoryBrand">
+        <!--
+          @mbg.generated 表示这个注释是由MyBatis Generator自动生成的，用于警告不要手动编辑
+        -->
+        <id column="id" jdbcType="BIGINT" property="id" />
+        <result column="category_id" jdbcType="BIGINT" property="categoryId" />
+        <result column="brand_id" jdbcType="BIGINT" property="brandId" />
+    </resultMap>
+
+    <!-- 插入语句，批量插入分类品牌关系 -->
+    <insert id="insertCategoryBrand">
+        insert into tz_category_brand (category_id,brand_id) values
+        <!-- foreach循环遍历brandIds列表，为每个品牌ID生成一个插入语句 -->
+        <foreach collection="brandIds" item="brandId" separator=",">
+            (#{categoryId},#{brandId})
+        </foreach>
+    </insert>
+    <!-- 删除语句，根据分类ID删除分类品牌关系 -->
+    <delete id="deleteByCategoryId">
+        delete from tz_category_brand where category_id = #{categoryId}
+    </delete>
+
+    <!-- 删除语句，根据品牌ID删除分类品牌关系 -->
+    <delete id="deleteByBrandId">
+        delete from tz_category_brand where brand_id = #{brandId}
+    </delete>
+</mapper>
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