diff --git a/app/api/controller/Gt.php b/app/api/controller/Gt.php
index 2be7ccc2..9dece6b3 100644
--- a/app/api/controller/Gt.php
+++ b/app/api/controller/Gt.php
@@ -71,7 +71,7 @@ MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwRUsPpbQPhBWrxFhG00k9VBgnHc7dCZyTQYI
         ];
         $d =$this->ASCII($data);
         $data['sign'] = $this->sign($d,$this->publicKey);
-        $b = json_encode($data,true);
+        $b =$this->ASCII($data);
         var_dump($b);
         $url = "http://jghwucyshtgjcbrnxgwe.gtxygroup.com/testterpay/yyfsevr/addCust/getTopMcc";
         $result = $this->curl_get($url."?".$b);