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 2fbcd86..fa91ec7 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
@@ -170,7 +170,13 @@ public class ItemServiceImpl implements ItemService {
                 // 设置属性列表
                 model.setAttrs(getItemAttrs(rentRuleItem, model.getImageList(), model.getItemType()));
 
-                rentRuleItemMapper.insertByFourId(rentRuleItemvo);
+                RentRuleItem res = rentRuleItemMapper.selectByIds(rentRuleItem.getBatteryRuleId(), rentRuleItem.getCarRuleId(), rentRuleItem.getCarModelId(), rentRuleItem.getBrandId());
+
+                if(res != null ){
+                    rentRuleItemMapper.updateItemIdByOutItemId(rentRuleItemvo);
+                }else {
+                    rentRuleItemMapper.insertByFourId(rentRuleItemvo);
+                }
                 logger.info("属性列表：" + JSON.toJSONString(model));
                 request.setBizModel(model);
                 return alipaySdkUtil.execute(request);
@@ -178,7 +184,7 @@ public class ItemServiceImpl implements ItemService {
 
             @Override
             public String getData(AlipayOpenAppItemCreateResponse response) {
-                rentRuleItemMapper.updateItemIdByOutItemId(response.getOutItemId(), response.getItemId());
+                rentRuleItemMapper.updateByOutItemId(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 dd43042..9d1da7a 100644
--- a/src/main/java/com/sczx/pay/mapper/RentRuleItemMapper.java
+++ b/src/main/java/com/sczx/pay/mapper/RentRuleItemMapper.java
@@ -32,16 +32,15 @@ public interface RentRuleItemMapper {
 
     RentRuleItem selectByFourId(@Param("batteryRuleId") Long batteryRuleId, @Param("carRuleId") Long carRuleId, @Param("carModelId") Long carModelId,@Param("brandId") Long brandId);
 
+    RentRuleItem selectItemByFourIds(@Param("batteryRuleId") Long batteryRuleId, @Param("carRuleId") Long carRuleId, @Param("carModelId") Long carModelId,@Param("brandId") Long brandId);
+
+
+
     int insertByFourId(RentRuleItem zcRentRuleItem);
 
-    /**
-     * 更新车型租赁规则项
-     * @param zcRentRuleItem 车型租赁规则项信息
-     * @return 影响行数
-     */
-    int update(RentRuleItem zcRentRuleItem);
+    int updateItemIdByOutItemId(RentRuleItem rentRuleItem);
 
-    int updateItemIdByOutItemId(@Param("outItemId") String outItemId, @Param("itemId") String aliItemId);
+    int updateByOutItemId(@Param("outItemId") String outItemId, @Param("aliItemId") String aliItemId);
 
     /**
      * 根据ID删除车型租赁规则项
diff --git a/src/main/resources/mapper/RentRuleItemMapper.xml b/src/main/resources/mapper/RentRuleItemMapper.xml
index c65172e..2f11042 100644
--- a/src/main/resources/mapper/RentRuleItemMapper.xml
+++ b/src/main/resources/mapper/RentRuleItemMapper.xml
@@ -79,6 +79,16 @@
         WHERE out_item_id = #{outItemId}
     </select>
 
+    <select id="selectItemByFourIds" parameterType="com.sczx.pay.alipay.po.RentRuleItem" resultMap="BaseResultMap">
+        SELECT
+        <include refid="Base_Column_List"/>
+        FROM zc_rent_rule_item
+        WHERE   battery_rule_id = #{batteryRuleId}
+        AND car_rule_id = #{carRuleId}
+        AND car_model_id = #{carModelId}
+        AND brand_id = #{brandId}
+    </select>
+
     <select id="selectByAliId" parameterType="Long" resultMap="BaseResultMap">
         SELECT
         <include refid="Base_Column_List"/>