diff --git a/Test/alipay-pos.php b/Test/alipay-pos.php
index bd96b94..509e72f 100644
--- a/Test/alipay-pos.php
+++ b/Test/alipay-pos.php
@@ -21,12 +21,12 @@ $config = include "./alipay.php";
 try {
     // 实例支付对象
     $pay = new \AliPay\Pos($config);
+    // 参数链接：https://docs.open.alipay.com/api_1/alipay.trade.pay
     $result = $pay->apply([
         'out_trade_no' => '4312412343', // 订单号
         'total_amount' => '13', // 订单金额，单位：元
         'subject'      => '订单商品标题', // 订单商品标题
         'auth_code'    => '123456', // 授权码
-        'notify_url'   => 'http://localhost/notify.php', // 定义通知URL
     ]);
     echo '<pre>';
     var_export($result);
diff --git a/Test/alipay-refund.php b/Test/alipay-refund.php
index de03f9f..22579ef 100644
--- a/Test/alipay-refund.php
+++ b/Test/alipay-refund.php
@@ -24,7 +24,9 @@ $out_trade_no = '56737188841424';
 $refund_fee = '1.00';
 
 try {
+    // 实例支付对象
     $pay = new \AliPay\App($config);
+    // 参考链接：https://docs.open.alipay.com/api_1/alipay.trade.refund
     $result = $pay->refund($out_trade_no, $refund_fee);
     echo '<pre>';
     var_export($result);
diff --git a/Test/alipay-scan.php b/Test/alipay-scan.php
index 65bb3b8..4157b33 100644
--- a/Test/alipay-scan.php
+++ b/Test/alipay-scan.php
@@ -21,6 +21,7 @@ $config = include "./alipay.php";
 try {
     // 实例支付对象
     $pay = new \AliPay\Scan($config);
+    // 参考链接：https://docs.open.alipay.com/api_1/alipay.trade.precreate
     $result = $pay->apply([
         'out_trade_no' => '14321412', // 订单号
         'total_amount' => '13', // 订单金额，单位：元
diff --git a/Test/alipay-transfer.php b/Test/alipay-transfer.php
index 35a0ead..21a3d8b 100644
--- a/Test/alipay-transfer.php
+++ b/Test/alipay-transfer.php
@@ -19,7 +19,9 @@ include "../include.php";
 $config = include "./alipay.php";
 
 try {
+    // 实例支付对象
     $pay = new \AliPay\Scan($config);
+    // 参考链接：https://docs.open.alipay.com/api_28/alipay.fund.trans.toaccount.transfer
     $result = $pay->apply([
         'out_biz_no'      => '', // 订单号
         'payee_type'      => 'ALIPAY_LOGONID', // 收款方账户类型(ALIPAY_LOGONID | ALIPAY_USERID)
diff --git a/Test/alipay-wap.php b/Test/alipay-wap.php
index f2936b2..ba8f616 100644
--- a/Test/alipay-wap.php
+++ b/Test/alipay-wap.php
@@ -22,8 +22,9 @@ $config['notify_url'] = 'http://pay.thinkadmin.top/test/alipay-notify.php';
 $config['return_url'] = 'http://pay.thinkadmin.top/test/alipay-success.php';
 
 try {
-// 实例支付对象
+    // 实例支付对象
     $pay = new \AliPay\Wap($config);
+    // 参考链接：https://docs.open.alipay.com/api_1/alipay.trade.wap.pay
     $result = $pay->apply([
         'out_trade_no' => time(), // 商户订单号
         'total_amount' => '1', // 支付金额
diff --git a/Test/alipay-web.php b/Test/alipay-web.php
index 47312de..dd52fe7 100644
--- a/Test/alipay-web.php
+++ b/Test/alipay-web.php
@@ -23,7 +23,9 @@ $config['notify_url'] = 'http://pay.thinkadmin.top/test/alipay-notify.php';
 $config['return_url'] = 'http://pay.thinkadmin.top/test/alipay-success.php';
 
 try {
+    // 实例支付对象
     $pay = new \AliPay\Web($config);
+    // 参考链接：https://docs.open.alipay.com/api_1/alipay.trade.page.pay
     $result = $pay->apply([
         'out_trade_no' => time(), // 商户订单号
         'total_amount' => '1', // 支付金额