diff --git a/webapp/controller/PayController.class.php b/webapp/controller/PayController.class.php
index e77c40c..f221821 100644
--- a/webapp/controller/PayController.class.php
+++ b/webapp/controller/PayController.class.php
@@ -421,7 +421,7 @@ class PayController{
         $timestamp = time();
         $params['sign'] = phpcommon\md5Sign($params, '06ba97e28ea905b0b7ed5477746b07f1', $timestamp);
         $params['timestamp'] = $timestamp;
-        $iv = 'wx1dd2f605f4f8496b';
+        $iv = '1dd2f605f4f8496b';
         $key = 'c868a478c81ff3c168b35d703f787d3c';
         $str_encoded = '2001_' . base64_encode(phpcommon\aesEncrypt(json_encode($params), $iv, $key));
         echo json_encode(array(
diff --git a/webapp/controller/ServerSwitchController.class.php b/webapp/controller/ServerSwitchController.class.php
new file mode 100644
index 0000000..c0c3dd6
--- /dev/null
+++ b/webapp/controller/ServerSwitchController.class.php
@@ -0,0 +1,14 @@
+<?php
+
+class ServerSwitchController {
+
+    public function getSwitch()
+    {
+        echo json_encode(array(
+            'errcode' => 0,
+            'errmsg' => '',
+            'payable' => 1
+        ));
+    }
+
+}