diff --git a/ThinkPHP/Library/Org/Kudian/Client.class.php b/ThinkPHP/Library/Org/Kudian/Client.class.php
index 6181ca8..2759e2a 100644
--- a/ThinkPHP/Library/Org/Kudian/Client.class.php
+++ b/ThinkPHP/Library/Org/Kudian/Client.class.php
@@ -36,10 +36,10 @@ class Client
         }
         curl_setopt($curl, CURLOPT_URL, $url);
         curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
-        curl_setopt($curl, CURLOPT_POST, TRUE);
-        $headers = ['Content-type: application/json;charset=utf-8'];
+        curl_setopt($curl, CURLOPT_POST, true);
+        $headers = ['Content-type: application/json'];
         curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
-        curl_setopt($curl, CURLOPT_POSTFIELDS, $params);
+        curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($params));
         $response = curl_exec($curl);
         curl_close($curl);
         return $response;