diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/PromotionDetail.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/PromotionDetail.java
index c3ca398..1c4d346 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/PromotionDetail.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/PromotionDetail.java
@@ -1,4 +1,23 @@
 
+/*
+ *
+ *  Copyright 2019-2020 felord.cn
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *  Website:
+ *       https://felord.cn
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
 package cn.felord.payment.wechat.v3.model;
 
 import lombok.Data;
@@ -11,6 +30,7 @@ import java.util.List;
  * @author felord.cn
  * @since 1.0.0.RELEASE
  */
+@Data
 public class PromotionDetail {
 
     /**