diff --git a/app/api/controller/Gt.php b/app/api/controller/Gt.php
index 8c489597..0be50e64 100644
--- a/app/api/controller/Gt.php
+++ b/app/api/controller/Gt.php
@@ -48,7 +48,7 @@ MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwRUsPpbQPhBWrxFhG00k9VBgnHc7dCZyTQYI
 //        $b = json_encode($str,true);
 //        var_dump($b);
         $url = "http://jghwucyshtgjcbrnxgwe.gtxygroup.com/testterpay/yyfsevr/order/pay";
-        $result = $this->curl_post($url,$b);
+        $result = $this->curl_post($url,$str);
         var_dump($result);
     }