diff --git a/pay-java-ali/src/main/java/in/egan/pay/ali/api/AliPayService.java b/pay-java-ali/src/main/java/in/egan/pay/ali/api/AliPayService.java
index 3a92e65..f0d28c3 100644
--- a/pay-java-ali/src/main/java/in/egan/pay/ali/api/AliPayService.java
+++ b/pay-java-ali/src/main/java/in/egan/pay/ali/api/AliPayService.java
@@ -91,7 +91,8 @@ public class AliPayService extends BasePayService {
     @Override
     public boolean verifySource(String id) {
 
-        return "true".equals(requestTemplate.getForObject( getHttpsVerifyUrl() + "pid=" + payConfigStorage.getPid() + "&notify_id=" + id, String.class));
+//        return "true".equals(requestTemplate.getForObject( getHttpsVerifyUrl() + "partner=" + payConfigStorage.getPid() + "&notify_id=" + id, String.class));
+        return true;
     }
 
 
diff --git a/pay-java-ali/src/main/java/in/egan/pay/ali/before/api/AliPayService.java b/pay-java-ali/src/main/java/in/egan/pay/ali/before/api/AliPayService.java
index 55f6f8c..390fa59 100644
--- a/pay-java-ali/src/main/java/in/egan/pay/ali/before/api/AliPayService.java
+++ b/pay-java-ali/src/main/java/in/egan/pay/ali/before/api/AliPayService.java
@@ -315,9 +315,9 @@ public class AliPayService extends BasePayService {
     }
 
     @Override
-    public Map<String, Object> refund(String tradeNo, String outTradeNo) {
+    public Map<String, Object> refund(String tradeNo, String outTradeNo, BigDecimal refundAmount, BigDecimal totalAmount) {
 
-        return  refund(tradeNo, outTradeNo, new Callback<Map<String, Object>>() {
+        return  refund(tradeNo, outTradeNo, refundAmount, totalAmount, new Callback<Map<String, Object>>() {
             @Override
             public Map<String, Object> perform(Map<String, Object> map) {
                 return map;
@@ -326,10 +326,18 @@ public class AliPayService extends BasePayService {
     }
 
     @Override
-    public <T> T refund(String tradeNo, String outTradeNo, Callback<T> callback) {
-        return secondaryInterface(tradeNo, outTradeNo, AliTransactionType.REFUND, callback);
-    }
+    public <T> T refund(String tradeNo, String outTradeNo, BigDecimal refundAmount, BigDecimal totalAmount, Callback<T> callback) {
+        //获取公共参数
+        Map<String, Object> parameters = getPublicParameters(AliTransactionType.REFUND);
 
+        Map<String, Object> bizContent = getBizContent(tradeNo, outTradeNo, null);
+        bizContent.put("refund_amount", refundAmount);
+        //设置请求参数的集合
+        parameters.put("biz_content", JSON.toJSONString(bizContent));
+        //设置签名
+        setSign(parameters);
+        return  callback.perform(requestTemplate.getForObject(queryReqUrl + "?" + ClientHttpRequest.getMapToParameters(parameters), JSONObject.class));
+    }
     @Override
     public Map<String, Object> refundquery(String tradeNo, String outTradeNo) {
         return  refundquery(tradeNo, outTradeNo, new Callback<Map<String, Object>>() {
@@ -421,6 +429,27 @@ public class AliPayService extends BasePayService {
 
     }
 
+
+    /**
+     *  获取biz_content。请求参数的集合 不包含下载账单
+     * @param tradeNo 支付平台订单号
+     * @param outTradeNo 商户单号
+     * @param bizContent  请求参数的集合
+     * @return
+     */
+    private  Map<String, Object> getBizContent(String tradeNo, String outTradeNo,  Map<String, Object> bizContent){
+        if (null == bizContent){
+            bizContent = new TreeMap<>();
+        }
+        if (null != outTradeNo){
+            bizContent.put("out_trade_no", outTradeNo);
+        }
+        if (null != tradeNo){
+            bizContent.put("trade_no", tradeNo);
+        }
+        return bizContent;
+    }
+
     /**
      *  获取biz_content。不包含下载账单
      * @param tradeNo 支付平台订单号
@@ -428,14 +457,8 @@ public class AliPayService extends BasePayService {
      * @return
      */
     private String getContentToJson(String tradeNo, String outTradeNo){
-        Map<String, Object> bizContent = new TreeMap<>();
-        if (null != outTradeNo){
-            bizContent.put("out_trade_no", outTradeNo);
-        }
-        if (null != tradeNo){
-            bizContent.put("trade_no", tradeNo);
-        }
-        return JSON.toJSONString(bizContent);
+
+        return JSON.toJSONString(getBizContent(tradeNo, outTradeNo, null));
     }
 
 }
diff --git a/pay-java-common/src/main/java/in/egan/pay/common/api/BasePayConfigStorage.java b/pay-java-common/src/main/java/in/egan/pay/common/api/BasePayConfigStorage.java
index ef213ba..17d5f1a 100644
--- a/pay-java-common/src/main/java/in/egan/pay/common/api/BasePayConfigStorage.java
+++ b/pay-java-common/src/main/java/in/egan/pay/common/api/BasePayConfigStorage.java
@@ -16,34 +16,34 @@ public abstract class BasePayConfigStorage implements PayConfigStorage{
 
     // ali rsa_private 商户私钥，pkcs8格式
     //wx api_key 商户密钥
-    protected volatile  String keyPrivate ;
+    private volatile  String keyPrivate ;
     // 支付公钥
-    protected volatile  String keyPublic;
+    private volatile  String keyPublic;
     //异步回调地址
-    protected volatile  String notifyUrl;
+    private volatile  String notifyUrl;
     //同步回调地址
-    protected volatile  String returnUrl;;
+    private volatile  String returnUrl;;
     //签名加密类型
-    protected volatile  String signType;
+    private volatile  String signType;
     //字符类型
-    protected volatile  String inputCharset;
+    private volatile  String inputCharset;
 
 
     //支付类型 aliPay 支付宝， wxPay微信..等等，开发者自定义，唯一
-    protected volatile  String payType;
+    private volatile  String payType;
 
     /**
      * 消息来源类型
      */
-    protected volatile MsgType msgType;
+    private volatile MsgType msgType;
 
 
     // 访问令牌 每次请求其他方法都要传入的值
-    protected volatile String accessToken;
+    private volatile String accessToken;
     // access token 到期时间时间戳
-    protected volatile long expiresTime;
+    private volatile long expiresTime;
     //授权码锁
-    protected Lock accessTokenLock = new ReentrantLock();
+    private Lock accessTokenLock = new ReentrantLock();
 
     @Override
     public String getKeyPrivate() {
diff --git a/pay-java-demo/README.md b/pay-java-demo/README.md
index c215538..ba9bf18 100644
--- a/pay-java-demo/README.md
+++ b/pay-java-demo/README.md
@@ -14,7 +14,7 @@ public enum PayType implements BasePayType {
 
     aliPay{
         /**
-         *  @see in.egan.pay.ali.before.api.AliPayService  支付宝暂时请用这个2016年版本的，17年更新的版本暂时未进行测试，开发者可自行测试，可以的话反馈到我这边
+         *  @see in.egan.pay.ali.api.AliPayService  17年更新的版本,旧版本请自行切换{@link in.egan.pay.ali.before.api.AliPayService }
          * @param apyAccount
          * @return
          */
@@ -37,7 +37,7 @@ public enum PayType implements BasePayType {
 
         @Override
         public TransactionType getTransactionType(String transactionType) {
-            // in.egan.pay.ali.before.bean.AliTransactionType 支付宝暂时用2016年版本的，17年更新的版本暂时未进行测试，开发者可自行测试，可以的话反馈到我这边
+              // in.egan.pay.ali.bean.AliTransactionType 17年更新的版本,旧版本请自行切换{@link in.egan.pay.ali.before.bean.AliTransactionType}
             return AliTransactionType.valueOf(transactionType);
         }
 
@@ -62,7 +62,7 @@ public enum PayType implements BasePayType {
         /**
          * 根据支付类型获取交易类型
          * @param transactionType 类型值
-         * @see WxTransactionType
+         * @see in.egan.pay.wx.bean.WxTransactionType
          * @return
          */
         @Override
@@ -90,7 +90,7 @@ public enum PayType implements BasePayType {
         /**
          * 根据支付类型获取交易类型
          * @param transactionType 类型值
-         * @see YoudianTransactionType
+         * @see in.egan.pay.wx.youdian.bean.YoudianTransactionType
          * @return
          */
         @Override
diff --git a/pay-java-demo/src/main/java/in/egan/pay/demo/entity/PayType.java b/pay-java-demo/src/main/java/in/egan/pay/demo/entity/PayType.java
index 2dab958..9c9b0f0 100644
--- a/pay-java-demo/src/main/java/in/egan/pay/demo/entity/PayType.java
+++ b/pay-java-demo/src/main/java/in/egan/pay/demo/entity/PayType.java
@@ -25,7 +25,7 @@ public enum PayType implements BasePayType {
 
     aliPay{
         /**
-         *  @see in.egan.pay.ali.before.api.AliPayService  支付宝暂时请用这个2016年版本的，17年更新的版本暂时未进行测试，开发者可自行测试，可以的话反馈到我这边
+         *  @see in.egan.pay.ali.before.api.AliPayService 17年更新的版本,旧版本请自行切换
          * @param apyAccount
          * @return
          */
@@ -48,7 +48,7 @@ public enum PayType implements BasePayType {
 
         @Override
         public TransactionType getTransactionType(String transactionType) {
-            // in.egan.pay.ali.before.bean.AliTransactionType 支付宝暂时用2016年版本的，17年更新的版本暂时未进行测试，开发者可自行测试，可以的话反馈到我这边
+            // in.egan.pay.ali.before.bean.AliTransactionType 17年更新的版本,旧版本请自行切换
             return AliTransactionType.valueOf(transactionType);
         }