diff --git a/app/api/controller/Gt.php b/app/api/controller/Gt.php
index 92d76f86..af2ae87d 100644
--- a/app/api/controller/Gt.php
+++ b/app/api/controller/Gt.php
@@ -25,8 +25,10 @@ MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwRUsPpbQPhBWrxFhG00k9VBgnHc7dCZyTQYI
             'version'=>"1.0.0"
         ];
         $d =$this->ASCII($data);
+        var_dump($d);
         $sha256 = hash('sha256', $d);
-        openssl_public_encrypt($d,$msg,$publicKey);
+        var_dump($sha256);
+        openssl_public_encrypt($sha256,$msg,$publicKey);
         $data['sign'] = base64_encode($msg);
         print_r("<pre>");
         var_dump($data);