diff --git a/mobile/plugins/payment/wxpay.php b/mobile/plugins/payment/wxpay.php
index 3e1d2ce..981425d 100755
--- a/mobile/plugins/payment/wxpay.php
+++ b/mobile/plugins/payment/wxpay.php
@@ -221,7 +221,7 @@ class wxpay
 
         // 从大连支付接口返回的参数
         $this->parameters["appid"] = $payinfo['appId']; // 公众账号ID
-        $this->parameters["mch_id"] = '100018380507D2C'; // 商户号  sc_test
+        $this->parameters["mch_id"] = '5503001'; // 商户号  sc_test
         // $this->parameters["spbill_create_ip"] = $_SERVER['REMOTE_ADDR']; // 终端ip
         $this->parameters["nonce_str"] = $payinfo['nonceStr']; // 随机字符串
         $this->parameters["sign"] = $payinfo['paySign']; // 签名
diff --git a/mobile/source/helpers/dalianpay/cert/test.php b/mobile/source/helpers/dalianpay/cert/test.php
new file mode 100644
index 0000000..1ff54b3
--- /dev/null
+++ b/mobile/source/helpers/dalianpay/cert/test.php
@@ -0,0 +1,59 @@
+<?php 
+
+function setupPrivKey($privKey)
+{
+    if (is_resource($privKey))
+    {
+        return true;
+    }
+    $pem = chunk_split($privKey, 64, "\n");
+    $pem = "-----BEGIN PRIVATE KEY-----\n" . $pem . "-----END PRIVATE KEY-----\n";
+    // $privKey = openssl_pkey_get_private($pem);
+    $file = fopen("online_private_key.pem","w");
+    if ($file){
+        fwrite($file,$pem);
+        fclose($file);
+        echo "write successfully!\n";
+    }else {
+        echo "open file error!\n";
+        return false;
+    }
+    return true;
+}
+
+/**
+ * * setup the public key
+ */
+function setupPubKey($pubKey)
+{
+    if (is_resource($pubKey))
+    {
+        return true;
+    }
+    $pem = chunk_split($pubKey, 64, "\n");
+    $pem = "-----BEGIN PUBLIC KEY-----\n" . $pem . "-----END PUBLIC KEY-----\n";
+    // $pubKey = openssl_pkey_get_public($pem);
+    $file = fopen("online_public_key.pem","w");
+    if ($file){
+        fwrite($file,$pem);
+        fclose($file);
+        echo "write successfully!\n";
+    }else {
+        echo "open file error!\n";
+        return false;
+    }
+    return true;
+}
+
+$public_key = file_get_contents("public_key.pem");
+$private_key = file_get_contents("private_key.pem");
+
+// echo $public_key;
+// echo $private_key;
+
+$public_key = setupPubKey($public_key);
+$private_key = setupPrivKey($private_key);
+echo $public_key;
+echo $private_key;
+
+?>
diff --git a/mobile/source/helpers/dalianpay/demo/dalianpay.php b/mobile/source/helpers/dalianpay/demo/dalianpay.php
index be8ef6d..958abf0 100644
--- a/mobile/source/helpers/dalianpay/demo/dalianpay.php
+++ b/mobile/source/helpers/dalianpay/demo/dalianpay.php
@@ -91,7 +91,7 @@ class dalianpay{
 			// 'body' => 'pages',
 			'acct' => $openid,
 			// 'notify_url' => $config['notify_url'], // 交易结果通知地址
-			'sub_appid' => $config['sub_appid'],
+			// 'sub_appid' => $config['sub_appid'],
 			// 'front_url' => '', // 支付完成跳转
 		);