diff --git a/spzx-manager/src/main/java/com/atguigu/spzx/manger/controller/ProductSpecController.java b/spzx-manager/src/main/java/com/atguigu/spzx/manger/controller/ProductSpecController.java
index 29e9763..688e80c 100644
--- a/spzx-manager/src/main/java/com/atguigu/spzx/manger/controller/ProductSpecController.java
+++ b/spzx-manager/src/main/java/com/atguigu/spzx/manger/controller/ProductSpecController.java
@@ -28,4 +28,11 @@ public class ProductSpecController {
         productSpecService.save(productSpec);
         return Result.success();
     }
+
+    @Operation(summary = "修改功能", description = "修改功能")
+    @PutMapping("updateById")
+    public Result<ProductSpec> updateById(@RequestBody ProductSpec productSpec) {
+        productSpecService.updateById(productSpec);
+        return Result.success();
+    }
 }
\ No newline at end of file
diff --git a/spzx-manager/src/main/java/com/atguigu/spzx/manger/mapper/ProductSpecMapper.java b/spzx-manager/src/main/java/com/atguigu/spzx/manger/mapper/ProductSpecMapper.java
index 4d94231..2f373d3 100644
--- a/spzx-manager/src/main/java/com/atguigu/spzx/manger/mapper/ProductSpecMapper.java
+++ b/spzx-manager/src/main/java/com/atguigu/spzx/manger/mapper/ProductSpecMapper.java
@@ -20,4 +20,11 @@ public interface ProductSpecMapper {
      * @param productSpec 商品规格实体类
      */
     void save(ProductSpec productSpec);
+
+    /**
+     * 修改功能
+     *
+     * @param productSpec 商品规格实体类
+     */
+    void updateById(ProductSpec productSpec);
 }
diff --git a/spzx-manager/src/main/java/com/atguigu/spzx/manger/service/ProductSpecService.java b/spzx-manager/src/main/java/com/atguigu/spzx/manger/service/ProductSpecService.java
index a68054e..543e33f 100644
--- a/spzx-manager/src/main/java/com/atguigu/spzx/manger/service/ProductSpecService.java
+++ b/spzx-manager/src/main/java/com/atguigu/spzx/manger/service/ProductSpecService.java
@@ -19,4 +19,11 @@ public interface ProductSpecService {
      * @param productSpec 商品规格实体类
      */
     void save(ProductSpec productSpec);
+
+    /**
+     * 修改功能
+     *
+     * @param productSpec 商品规格实体类
+     */
+    void updateById(ProductSpec productSpec);
 }
diff --git a/spzx-manager/src/main/java/com/atguigu/spzx/manger/service/impl/ProductSpecServiceImpl.java b/spzx-manager/src/main/java/com/atguigu/spzx/manger/service/impl/ProductSpecServiceImpl.java
index 65b1f99..d76a340 100644
--- a/spzx-manager/src/main/java/com/atguigu/spzx/manger/service/impl/ProductSpecServiceImpl.java
+++ b/spzx-manager/src/main/java/com/atguigu/spzx/manger/service/impl/ProductSpecServiceImpl.java
@@ -47,4 +47,18 @@ public class ProductSpecServiceImpl implements ProductSpecService {
 
         productSpecMapper.save(productSpec);
     }
+
+    /**
+     * 修改功能
+     *
+     * @param productSpec 商品规格实体类
+     */
+    @Override
+    public void updateById(ProductSpec productSpec) {
+        if (productSpec == null) {
+            throw new BunnyException(MessageConstant.UPDATE_DTO_IS_NULL);
+        }
+
+        productSpecMapper.updateById(productSpec);
+    }
 }
diff --git a/spzx-manager/src/main/resources/mapper/ProductSpecMapper.xml b/spzx-manager/src/main/resources/mapper/ProductSpecMapper.xml
index 8f6e097..e012da5 100644
--- a/spzx-manager/src/main/resources/mapper/ProductSpecMapper.xml
+++ b/spzx-manager/src/main/resources/mapper/ProductSpecMapper.xml
@@ -12,6 +12,20 @@
         values (#{id}, #{specName}, #{specValue}, now(), now(), 0);
     </insert>
 
+    <!-- 修改功能 -->
+    <update id="updateById">
+        update product_spec
+        set
+        <if test="specName != null and specName != ''">
+            spec_name = #{specName},
+        </if>
+        <if test="specValue != null and specValue != ''">
+            spec_value = #{specValue},
+        </if>
+        update_time = now()
+        where id = #{id}
+    </update>
+
     <!-- 列表查询 -->
     <select id="findByPage" resultType="com.atguigu.spzx.model.entity.product.ProductSpec">
         select