diff --git a/app/api/controller/Gt.php b/app/api/controller/Gt.php
index 9dece6b3..83f8046e 100644
--- a/app/api/controller/Gt.php
+++ b/app/api/controller/Gt.php
@@ -70,8 +70,8 @@ MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwRUsPpbQPhBWrxFhG00k9VBgnHc7dCZyTQYI
             'version'=>"1.0.0"
         ];
         $d =$this->ASCII($data);
-        $data['sign'] = $this->sign($d,$this->publicKey);
-        $b =$this->ASCII($data);
+        $sign = $this->sign($d,$this->publicKey);
+        $b = $d."&sign=".$sign;
         var_dump($b);
         $url = "http://jghwucyshtgjcbrnxgwe.gtxygroup.com/testterpay/yyfsevr/addCust/getTopMcc";
         $result = $this->curl_get($url."?".$b);