diff --git a/AliPay/App.php b/AliPay/App.php
index 829ffe7..c93a30d 100644
--- a/AliPay/App.php
+++ b/AliPay/App.php
@@ -14,14 +14,14 @@
 
 namespace AliPay;
 
-use AliPay\Contracts\AliPay;
+use AliPay\Contracts\Ali;
 
 /**
  * 支付宝App支付网关
  * Class App
  * @package AliPay
  */
-class App extends AliPay
+class App extends Ali
 {
 
     /**
diff --git a/AliPay/Bill.php b/AliPay/Bill.php
index 0b656c1..46e762d 100644
--- a/AliPay/Bill.php
+++ b/AliPay/Bill.php
@@ -14,14 +14,14 @@
 
 namespace AliPay;
 
-use AliPay\Contracts\AliPay;
+use AliPay\Contracts\Ali;
 
 /**
  * 支付宝电子面单下载
  * Class Bill
  * @package AliPay
  */
-class Bill extends AliPay
+class Bill extends Ali
 {
     /**
      * Bill constructor.
diff --git a/AliPay/Contracts/AliPay.php b/AliPay/Contracts/Ali.php
similarity index 99%
rename from AliPay/Contracts/AliPay.php
rename to AliPay/Contracts/Ali.php
index 3961d16..7c0ef7f 100644
--- a/AliPay/Contracts/AliPay.php
+++ b/AliPay/Contracts/Ali.php
@@ -23,7 +23,7 @@ use WeChat\Exceptions\InvalidArgumentException;
  * Class AliPay
  * @package AliPay\Contracts
  */
-abstract class AliPay
+abstract class Ali
 {
 
     /**
diff --git a/AliPay/Pos.php b/AliPay/Pos.php
index a24ba31..9f040ee 100644
--- a/AliPay/Pos.php
+++ b/AliPay/Pos.php
@@ -14,14 +14,14 @@
 
 namespace AliPay;
 
-use AliPay\Contracts\AliPay;
+use AliPay\Contracts\Ali;
 
 /**
  * 支付宝刷卡支付
  * Class Pos
  * @package AliPay
  */
-class Pos extends AliPay
+class Pos extends Ali
 {
     /**
      * Pos constructor.
diff --git a/AliPay/Scan.php b/AliPay/Scan.php
index dc32a1d..27c6b20 100644
--- a/AliPay/Scan.php
+++ b/AliPay/Scan.php
@@ -14,14 +14,14 @@
 
 namespace AliPay;
 
-use AliPay\Contracts\AliPay;
+use AliPay\Contracts\Ali;
 
 /**
  * 支付宝扫码支付
  * Class Scan
  * @package AliPay
  */
-class Scan extends AliPay
+class Scan extends Ali
 {
 
     /**
diff --git a/AliPay/Transfer.php b/AliPay/Transfer.php
index 1db65ee..45183d7 100644
--- a/AliPay/Transfer.php
+++ b/AliPay/Transfer.php
@@ -14,14 +14,14 @@
 
 namespace AliPay;
 
-use AliPay\Contracts\AliPay;
+use AliPay\Contracts\Ali;
 
 /**
  * 支付宝转账到账户
  * Class Transfer
  * @package AliPay
  */
-class Transfer extends AliPay
+class Transfer extends Ali
 {
 
     /**
diff --git a/AliPay/Wap.php b/AliPay/Wap.php
index 941ddee..7f7f33e 100644
--- a/AliPay/Wap.php
+++ b/AliPay/Wap.php
@@ -14,14 +14,14 @@
 
 namespace AliPay;
 
-use AliPay\Contracts\AliPay;
+use AliPay\Contracts\Ali;
 
 /**
  * 手机WAP网站支付支持
  * Class Wap
  * @package AliPay
  */
-class Wap extends AliPay
+class Wap extends Ali
 {
 
     /**
diff --git a/AliPay/Web.php b/AliPay/Web.php
index bb0a9c9..6f2a56a 100644
--- a/AliPay/Web.php
+++ b/AliPay/Web.php
@@ -14,14 +14,14 @@
 
 namespace AliPay;
 
-use AliPay\Contracts\AliPay;
+use AliPay\Contracts\Ali;
 
 /**
  * 支付宝网站支付
  * Class Web
  * @package AliPay
  */
-class Web extends AliPay
+class Web extends Ali
 {
 
     /**