diff --git a/README.md b/README.md
index 4326fdb..fd0ec19 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,7 @@
  
  [友店微信](pay-java-wx-youdian?dir=1&filepath=pay-java-youdian)
  [富友](pay-java-fuiou?dir=1&filepath=pay-java-fuiou)
+ [银联](pay-java-union?dir=1&filepath=pay-java-union)
 
 支付整合》服务端+网页端详细使用与简单教程请看 [pay-java-demo](pay-java-demo?dir=1&filepath=pay-java-demo)
 
diff --git a/pay-java-union/README.md b/pay-java-union/README.md
index 6f75bef..8f3cd8e 100644
--- a/pay-java-union/README.md
+++ b/pay-java-union/README.md
@@ -7,13 +7,13 @@
 ```java
 
        UnionPayConfigStorage unionPayConfigStorage = new UnionPayConfigStorage();
-       unionPayConfigStorage.setMerId("合作者id");
-       unionPayConfigStorage.setKeyPublic("支付密钥");
-       unionPayConfigStorage.setKeyPrivate("支付密钥");
+       unionPayConfigStorage.setMerId("商户id");
+       unionPayConfigStorage.setKeyPublic("公钥，验签证书链格式： 中级证书路径;根证书路径");
+       unionPayConfigStorage.setKeyPrivate("私钥, 私钥证书格式： 私钥证书路径;私钥证书对应的密码");
        unionPayConfigStorage.setNotifyUrl("异步回调地址");
        unionPayConfigStorage.setReturnUrl("同步回调地址");
-       unionPayConfigStorage.setSignType("MD5");
-       unionPayConfigStorage.setInputCharset("utf-8");
+       unionPayConfigStorage.setSignType("RSA2");
+       unionPayConfigStorage.setInputCharset("UTF-8");
        //是否为测试账号，沙箱环境
        unionPayConfigStorage.setTest(true);
         
@@ -55,7 +55,7 @@
 #### 创建支付订单信息
 
 ```java
-      PayOrder payOrder = new PayOrder("订单title", "摘要",  new BigDecimal(0.01) , new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()));
+      PayOrder payOrder = new PayOrder("订单title", "摘要",  new BigDecimal(0.01) , new SimpleDateFormat("yyyyMMddHHmmss").format(System.currentTimeMillis()));
 ``` 
 
 #### 主扫申请二维码交易
@@ -69,19 +69,20 @@
 
 ```java
        payOrder.setTransactionType(UnionTransactionType.CONSUME);
-       params =   service.microPay(payOrder);
+       payOrder.setAuthCode("C2B码(条码号),1-20位数字");
+       Map<String, Object> params =   service.microPay(payOrder);
 ``` 
 #### 消费撤销
 
 ```java
-       params =   service.unionRefundOrConsumeUndo("原交易查询流水号", "订单号", new BigDecimal("退款金额" ),UnionTransactionType.CONSUME_UNDO);
+       Map<String, Object> params =   service.unionRefundOrConsumeUndo("原交易查询流水号", "订单号", new BigDecimal("退款金额" ),UnionTransactionType.CONSUME_UNDO);
   
 ``` 
 #### 交易状态查询交易：只有同步应答
   
   ```java
        payOrder.setTransactionType(UnionTransactionType.QUERY);
-       params =   service.query(null,"商户单号");
+       Map<String, Object> params =   service.query(null,"商户单号");
     
 ``` 
 
@@ -90,7 +91,7 @@
   
   ```java
        payOrder.setTransactionType(UnionTransactionType.REFUND);
-       params =   service.refund("原交易查询流水号", "订单号", null,new BigDecimal("退款金额" ));
+       Map<String, Object> params =   service.refund("原交易查询流水号", "订单号", null,new BigDecimal("退款金额" ));
     
 ``` 
 
diff --git a/pay-java-union/src/test/java/PayTest.java b/pay-java-union/src/test/java/PayTest.java
index 2132e74..460b2f9 100644
--- a/pay-java-union/src/test/java/PayTest.java
+++ b/pay-java-union/src/test/java/PayTest.java
@@ -21,19 +21,19 @@ public class PayTest {
 
 
         UnionPayConfigStorage unionPayConfigStorage = new UnionPayConfigStorage();
-        unionPayConfigStorage.setMerId("合作者id");
-        unionPayConfigStorage.setKeyPublic("支付密钥");
-        unionPayConfigStorage.setKeyPrivate("支付密钥");
+        unionPayConfigStorage.setMerId("商户id");
+        unionPayConfigStorage.setKeyPublic("公钥，验签证书链格式： 中级证书路径;根证书路径");
+        unionPayConfigStorage.setKeyPrivate("私钥, 私钥证书格式： 私钥证书路径;私钥证书对应的密码");
         unionPayConfigStorage.setNotifyUrl("异步回调地址");
         unionPayConfigStorage.setReturnUrl("同步回调地址");
-        unionPayConfigStorage.setSignType("MD5");
-        unionPayConfigStorage.setInputCharset("utf-8");
+        unionPayConfigStorage.setSignType("RSA2");
+        unionPayConfigStorage.setInputCharset("UTF-8");
         //是否为测试账号，沙箱环境
         unionPayConfigStorage.setTest(true);
         //支付服务
         UnionPayService service = new UnionPayService(unionPayConfigStorage);
         //支付订单基础信息
-        PayOrder payOrder = new PayOrder("订单title", "摘要",  new BigDecimal(0.01) , new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()));
+        PayOrder payOrder = new PayOrder("订单title", "摘要",  new BigDecimal(0.01) , new SimpleDateFormat("yyyyMMddHHmmss").format(System.currentTimeMillis()));
 
 
         /*----------- 网关支付-------------------*/
@@ -54,6 +54,7 @@ public class PayTest {
 
         /*-----------消费(被扫场景)待定------------------------------*/
         payOrder.setTransactionType(UnionTransactionType.CONSUME);
+        payOrder.setAuthCode("C2B码(条码号),1-20位数字");
         params =   service.microPay(payOrder);
         /*-----------消费(被扫场景)------------------------------*/