diff --git a/README.md b/README.md
index 9bf6ce6..75f99b1 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@
 
 - [x] **微信支付V3** 全量支持。
 - [x] **支付宝**  提供所有实现，具体以签约项目为准。 
-- [ ] **银联支付**  施工中…… 
+## 进度
+- 微信支付营销-代金券 `WechatMarketingFavorApi` 100%
+- 微信支付 支付功能 `WechatPayApi` app预支付
 
 ## 采用技术
 - Spring
@@ -62,7 +64,7 @@ public class PayConfig {
     @Autowired
     WechatPayApi wechatPayV3Api;    
     @Autowired
-    WechatMarketingApi  wchatMarketingApi; 
+    WechatMarketingFavorApi  wechatMarketingFavorApi; 
 ```
 ###### V3
 例如V3 查询商户下的优惠券
@@ -74,7 +76,7 @@ public class PayConfig {
          StocksQueryParams params = new StocksQueryParams();
          params.setOffset(0);
          params.setLimit(10);
-         WechatResponseEntity<ObjectNode> objectNodeWechatResponseEntity = wchatMarketingApi.queryStocksByMch(params);
+         WechatResponseEntity<ObjectNode> objectNodeWechatResponseEntity = wechatMarketingFavorApi.queryStocksByMch(params);
          System.out.println("objectNodeWechatResponseEntity = " + objectNodeWechatResponseEntity);
      }
 ```
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/WechatPayConfiguration.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/WechatPayConfiguration.java
index c5ee4fb..f83e21d 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/WechatPayConfiguration.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/WechatPayConfiguration.java
@@ -3,7 +3,6 @@ package cn.felord.payment.wechat;
 
 import cn.felord.payment.wechat.oauth2.OAuth2AuthorizationRequestRedirectProvider;
 import cn.felord.payment.wechat.v3.*;
-import cn.felord.payment.wechat.v3.*;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
@@ -77,8 +76,8 @@ public class WechatPayConfiguration {
      * @return the wechat marketing api
      */
     @Bean
-    public WechatMarketingApi wechatMarketingApi(WechatPayClient wechatPayClient, WechatMetaBean wechatMetaBean) {
-        return new WechatMarketingApi(wechatPayClient, wechatMetaBean);
+    public WechatMarketingFavorApi wechatMarketingApi(WechatPayClient wechatPayClient, WechatMetaBean wechatMetaBean) {
+        return new WechatMarketingFavorApi(wechatPayClient, wechatMetaBean);
     }
 
     /**
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingApi.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingFavorApi.java
similarity index 98%
rename from payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingApi.java
rename to payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingFavorApi.java
index c6ee15b..9f4f7e6 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingApi.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingFavorApi.java
@@ -29,19 +29,19 @@ import java.util.Objects;
 import java.util.function.Consumer;
 
 /**
- * The type Wechat marketing api.
+ * 微信支付营销代金券API
  *
  * @author Dax
  * @since 18 :22
  */
-public class WechatMarketingApi extends AbstractApi {
+public class WechatMarketingFavorApi extends AbstractApi {
     /**
      * Instantiates a new Wechat marketing api.
      *
      * @param wechatPayClient the wechat pay client
      * @param wechatMetaBean  the wechat meta bean
      */
-    public WechatMarketingApi(WechatPayClient wechatPayClient, WechatMetaBean wechatMetaBean) {
+    public WechatMarketingFavorApi(WechatPayClient wechatPayClient, WechatMetaBean wechatMetaBean) {
         super(wechatPayClient, wechatMetaBean);
     }