diff --git a/src/main/java/com/sczx/pay/alipay/dto/RentItemCreateRequest.java b/src/main/java/com/sczx/pay/alipay/dto/RentItemCreateRequest.java
index 5feab23..dbbf111 100644
--- a/src/main/java/com/sczx/pay/alipay/dto/RentItemCreateRequest.java
+++ b/src/main/java/com/sczx/pay/alipay/dto/RentItemCreateRequest.java
@@ -9,14 +9,11 @@ import java.util.List;
 /**
  * 实物租赁商品创建请求实体类
  */
-@ApiModel(value = "com.sczx.pay.alipay.dto.RentItemCreateRequest", description = "实物租赁商品创建请求参数")
 public class RentItemCreateRequest implements Serializable {
     
     private static final long serialVersionUID = 1L;
     
     // 基本商品信息
-    
-    @ApiModelProperty(value = "商家侧商品ID，要求APPID下全局唯一", required = true, example = "test20230021")
     private String outItemId;
     
     @ApiModelProperty(value = "商品名称，最少不低于3个字，最长不超过60个字", required = true, example = "实物租赁商品创建示例")
diff --git a/src/main/java/com/sczx/pay/alipay/service/impl/ItemServiceImpl.java b/src/main/java/com/sczx/pay/alipay/service/impl/ItemServiceImpl.java
index d8ee2a9..2c1b682 100644
--- a/src/main/java/com/sczx/pay/alipay/service/impl/ItemServiceImpl.java
+++ b/src/main/java/com/sczx/pay/alipay/service/impl/ItemServiceImpl.java
@@ -147,6 +147,7 @@ public class ItemServiceImpl implements ItemService {
 
             @Override
             public String getData(AlipayOpenAppItemCreateResponse response) {
+                rentRuleItemMapper.updateItemIdByOutItemId(response.getOutItemId(), response.getItemId());
                 return response.getItemId();
             }
 
diff --git a/src/main/java/com/sczx/pay/mapper/RentRuleItemMapper.java b/src/main/java/com/sczx/pay/mapper/RentRuleItemMapper.java
index 4f6ec4c..b5a0ec8 100644
--- a/src/main/java/com/sczx/pay/mapper/RentRuleItemMapper.java
+++ b/src/main/java/com/sczx/pay/mapper/RentRuleItemMapper.java
@@ -43,6 +43,8 @@ public interface RentRuleItemMapper {
      */
     int update(RentRuleItem zcRentRuleItem);
 
+    int updateItemIdByOutItemId(@Param("outItemId") String outItemId, @Param("itemId") String itemId);
+
     /**
      * 根据ID删除车型租赁规则项
      * @param id 车型ID
diff --git a/src/main/resources/mapper/RentRuleItemMapper.xml b/src/main/resources/mapper/RentRuleItemMapper.xml
index 6cf947c..08f273d 100644
--- a/src/main/resources/mapper/RentRuleItemMapper.xml
+++ b/src/main/resources/mapper/RentRuleItemMapper.xml
@@ -155,6 +155,12 @@
         WHERE id = #{id}
     </update>
 
+    <update id="updateItemIdByOutItemId" parameterType="com.sczx.pay.alipay.po.RentRuleItem">
+        UPDATE zc_rent_rule_item
+            set ali_item_id = #{aliItemId}
+        WHERE out_item_id = #{aliItemId}
+    </update>
+
     <!-- 根据ID删除 -->
     <delete id="deleteById" parameterType="Long">
         DELETE FROM zc_rent_rule_item WHERE id = #{id}