diff --git a/app/Payments/EpusdtPay.php b/app/Payments/EpusdtPay.php
new file mode 100644
index 0000000..fd5eeec
--- /dev/null
+++ b/app/Payments/EpusdtPay.php
@@ -0,0 +1,97 @@
+<?php
+//author by GoodGoodStudy 
+namespace App\Payments;
+
+use \Curl\Curl;
+
+class EpusdtPay {
+    public function __construct($config)
+    {
+        $this->config = $config;
+    }
+
+    public function form()
+    {
+        return [
+            'epusdt_pay_url' => [
+                'label' => 'API 地址',
+                'description' => '您的 EpusdtPay API 接口地址(例如: https://epusdt-pay.xxx.com)',
+                'type' => 'input',
+            ],
+            'epusdt_pay_apitoken' => [
+                'label' => 'API Token',
+                'description' => '您的 EpusdtPay API Token',
+                'type' => 'input',
+            ]
+        ];
+    }
+
+    public function pay($order)
+    {
+        $params = [
+			"amount" => round($order['total_amount']/100,2),
+			"order_id" => $order['trade_no'],
+			'redirect_url' => $order['return_url'],
+			'notify_url' => $order['notify_url'],
+        ];
+        $params['signature'] = $this->sign($params);
+
+        $curl = new Curl();
+        $curl->setUserAgent('EpusdtPay');
+        $curl->setOpt(CURLOPT_SSL_VERIFYPEER, 0);
+        $curl->setOpt(CURLOPT_HTTPHEADER, array('Content-Type:application/json'));
+        $curl->post($this->config['epusdt_pay_url'] . '/api/v1/order/create-transaction', json_encode($params));
+        $result = $curl->response;
+        $curl->close();
+        if (!isset($result->status_code) || $result->status_code != 200) {
+            abort(500, "Failed to create order. Error: {$result->message}");
+        }
+        return [
+            'type' => 1, // 0:qrcode 1:url
+            'data' => $result->data->payment_url
+        ];
+    }
+
+    public function notify($params)
+    {
+        $status = $params['status'];
+        // 1：等待支付，2：支付成功，3：已过期
+        if ($status != 2) {
+            die('failed');
+        }
+        //不合法的数据
+        if (!$this->verify($params)) {
+            die('cannot pass verification');
+        }
+        return [
+            'trade_no' => $params['order_id'],
+            'callback_no' => $params['trade_id'],
+            'custom_result' => 'ok'
+        ];
+    }
+
+    public function verify($params) {
+        return $params['signature'] === $this->sign($params);
+    }
+
+    protected function sign(array $params)
+    {
+        ksort($params);
+        reset($params); //内部指针指向数组中的第一个元素
+        $sign = '';
+        $urls = '';
+        foreach ($params as $key => $val) {
+            if ($val == '') continue;
+            if ($key != 'signature') {
+                if ($sign != '') {
+                    $sign .= "&";
+                    $urls .= "&";
+                }
+                $sign .= "$key=$val"; //拼接为url参数形式
+                $urls .= "$key=" . urlencode($val); //拼接为url参数形式
+            }
+        }
+        $sign = md5($sign . $this->config['epusdt_pay_apitoken']);//密码追加进入开始MD5签名
+        return $sign;
+    }
+}