diff --git a/ruoyi-system/src/main/java/com/ruoyi/gss/domain/ProductCategory.java b/ruoyi-system/src/main/java/com/ruoyi/gss/domain/ProductCategory.java
index 1b0975b..8a8e030 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/gss/domain/ProductCategory.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/gss/domain/ProductCategory.java
@@ -24,6 +24,14 @@ public class ProductCategory extends TreeEntity
     @Excel(name = "分类英文名称")
     private String categoryNameEn;
 
+    /** 产品线 */
+    @Excel(name = "产品线")
+    private String productLine;
+
+    /** 产品线编码 */
+    @Excel(name = "产品线编码")
+    private String productLineCode;
+
     /** 分类级别（1大类 2中类 3小类） */
     @Excel(name = "分类级别", readConverterExp = "1=大类,2=中类,3=小类")
     private String categoryLevel;
@@ -91,6 +99,23 @@ public class ProductCategory extends TreeEntity
         this.delFlag = delFlag;
     }
 
+    // 添加 getter 和 setter 方法
+    public String getProductLine() {
+        return productLine;
+    }
+
+    public void setProductLine(String productLine) {
+        this.productLine = productLine;
+    }
+
+    public String getProductLineCode() {
+        return productLineCode;
+    }
+
+    public void setProductLineCode(String productLineCode) {
+        this.productLineCode = productLineCode;
+    }
+
     @Override
     public String toString() {
         return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
@@ -98,6 +123,8 @@ public class ProductCategory extends TreeEntity
             .append("categoryCode", getCategoryCode())
             .append("categoryName", getCategoryName())
             .append("categoryNameEn", getCategoryNameEn())
+            .append("productLine", getProductLine())
+            .append("productLineCode", getProductLineCode())
             .append("parentId", getParentId())
             .append("ancestors", getAncestors())
             .append("categoryLevel", getCategoryLevel())
diff --git a/ruoyi-system/src/main/resources/mapper/gss/ProductCategoryMapper.xml b/ruoyi-system/src/main/resources/mapper/gss/ProductCategoryMapper.xml
index 896dbbe..f24a3f2 100644
--- a/ruoyi-system/src/main/resources/mapper/gss/ProductCategoryMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/gss/ProductCategoryMapper.xml
@@ -9,6 +9,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <result property="categoryCode"    column="category_code"    />
         <result property="categoryName"    column="category_name"    />
         <result property="categoryNameEn"  column="category_name_en" />
+        <result property="productLine"     column="product_line"     />
+        <result property="productLineCode" column="product_line_code"/>
         <result property="parentId"        column="parent_id"        />
         <result property="ancestors"       column="ancestors"        />
         <result property="categoryLevel"   column="category_level"   />
@@ -24,7 +26,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 
     <!-- 修改基础查询SQL -->
     <sql id="selectProductCategoryVo">
-        select category_id, category_name, category_code, parent_id, ancestors, 
+        select category_id, category_name, category_code, category_name_en,
+        product_line, product_line_code, parent_id, ancestors, 
         category_level, order_num, status, del_flag, create_by, create_time, update_by, update_time, remark
         from dhc_product_category
     </sql>
@@ -38,6 +41,12 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <if test="categoryName != null and categoryName != ''">
             AND category_name like concat('%', #{categoryName}, '%')
         </if>
+        <if test="productLine != null and productLine != ''">
+            AND product_line = #{productLine}
+        </if>
+        <if test="productLineCode != null and productLineCode != ''">
+            AND product_line_code = #{productLineCode}
+        </if>
         <if test="categoryLevel != null and categoryLevel != ''">
             AND category_level = #{categoryLevel}
         </if>
@@ -82,6 +91,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="categoryCode != null">category_code,</if>
             <if test="categoryName != null">category_name,</if>
             <if test="categoryNameEn != null">category_name_en,</if>
+            <if test="productLine != null">product_line,</if>
+            <if test="productLineCode != null">product_line_code,</if>
             <if test="parentId != null">parent_id,</if>
             <if test="ancestors != null">ancestors,</if>
             <if test="categoryLevel != null">category_level,</if>
@@ -110,6 +121,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="categoryCode != null">category_code = #{categoryCode},</if>
             <if test="categoryName != null">category_name = #{categoryName},</if>
             <if test="categoryNameEn != null">category_name_en = #{categoryNameEn},</if>
+            <if test="productLine != null">product_line = #{productLine},</if>
+            <if test="productLineCode != null">product_line_code = #{productLineCode},</if>
             <if test="parentId != null">parent_id = #{parentId},</if>
             <if test="ancestors != null">ancestors = #{ancestors},</if>
             <if test="categoryLevel != null">category_level = #{categoryLevel},</if>
@@ -147,7 +160,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     
     <!-- 修改校验分类编码唯一性查询 -->
     <select id="checkProductCategoryCodeUnique" parameterType="String" resultMap="ProductCategoryResult">
-        select category_id, category_name, category_code, parent_id, ancestors, status 
+        select category_id, category_code, category_name, product_line, product_line_code, 
+        parent_id, ancestors, status 
         from dhc_product_category
         where category_code = #{categoryCode} limit 1
     </select>
diff --git a/sql/gss/产品分类表.sql b/sql/gss/产品分类表.sql
index 76cd265..74b4f29 100644
--- a/sql/gss/产品分类表.sql
+++ b/sql/gss/产品分类表.sql
@@ -3,6 +3,8 @@ CREATE TABLE `dhc_product_category` (
   `category_code` varchar(10) COLLATE utf8mb4_general_ci NOT NULL COMMENT '分类编码',
   `category_name` varchar(100) COLLATE utf8mb4_general_ci NOT NULL COMMENT '分类名称',
   `category_name_en` varchar(200) COLLATE utf8mb4_general_ci DEFAULT '' COMMENT '分类英文名称',
+  `product_line` varchar(50) COLLATE utf8mb4_general_ci NOT NULL COMMENT '产品线',
+  `product_line_code` varchar(10) COLLATE utf8mb4_general_ci NOT NULL COMMENT '产品线编码',
   `parent_id` bigint DEFAULT '0' COMMENT '父分类ID',
   `ancestors` varchar(500) COLLATE utf8mb4_general_ci DEFAULT '' COMMENT '祖级列表',
   `category_level` char(1) COLLATE utf8mb4_general_ci NOT NULL COMMENT '分类级别（1大类 2中类 3小类）',