diff --git a/Application/Sdk/Controller/ExchangeController.class.php b/Application/Sdk/Controller/ExchangeController.class.php
index 32410af..5ebefe8 100644
--- a/Application/Sdk/Controller/ExchangeController.class.php
+++ b/Application/Sdk/Controller/ExchangeController.class.php
@@ -139,6 +139,7 @@ class ExchangeController extends BaseController{
         $payPage = "pay_way_v1";
         
         Log::write('api_ver: ' . $request['api_ver'], ThinkLog::INFO, 'payment');
+        Log::write('request: ' . json_encode($request, JSON_UNESCAPED_UNICODE), ThinkLog::INFO, 'payment');
 
         if (isset($request['api_ver']) && $request['api_ver'] >= 2) {
         	$payPage = "pay_way";