diff --git a/ThinkPHP/Library/Org/SumaPay/Client.class.php b/ThinkPHP/Library/Org/SumaPay/Client.class.php
index 8672d21a..a565d395 100644
--- a/ThinkPHP/Library/Org/SumaPay/Client.class.php
+++ b/ThinkPHP/Library/Org/SumaPay/Client.class.php
@@ -36,8 +36,8 @@ class Client
         curl_setopt($curl, CURLOPT_URL, $url);
         curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
         curl_setopt($curl, CURLOPT_POST, true);
-        // $headers = ['content-type: application/x-www-form-urlencoded; charset=GBK'];
-        // curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
+        $headers = ['Content-Type: application/x-www-form-urlencoded;'];
+        curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
         curl_setopt($curl, CURLOPT_POSTFIELDS, $params);
         $response = curl_exec($curl);
         curl_close($curl);
diff --git a/ThinkPHP/Library/Org/SumaPay/Request/Request.class.php b/ThinkPHP/Library/Org/SumaPay/Request/Request.class.php
index 0d74a075..161cfa99 100644
--- a/ThinkPHP/Library/Org/SumaPay/Request/Request.class.php
+++ b/ThinkPHP/Library/Org/SumaPay/Request/Request.class.php
@@ -45,7 +45,7 @@ class Request
         foreach ($params as $key => $value) {
             $params[$key] = Encoding::convert($value, 'GBK');
         }
-        // $params[Sign::SIGN_KEY] = Sign::generate($params, $this->signFields, $this->secretKey);
+        $params[Sign::SIGN_KEY] = Sign::generate($params, $this->signFields, $this->secretKey);
         return $params;
     }