diff --git a/src/Transporter/GuzzleHttpTransporter.php b/src/Transporter/GuzzleHttpTransporter.php
index 57af769..192eec6 100644
--- a/src/Transporter/GuzzleHttpTransporter.php
+++ b/src/Transporter/GuzzleHttpTransporter.php
@@ -37,15 +37,16 @@ public function __construct(string $host = '', int $port = 9501, array $config =
     {
         parent::__construct($host, $port);
 
-        $this->config = array_merge_recursive($config, [
-            'headers' => [
-                'Content-Type' => 'application/json',
-                'X-Real-Ip' => $_SERVER['SERVER_ADDR'] ?? '',
-                'X-Forwarded-For' => $_SERVER['REMOTE_ADDR'] ?? '',
-                'User-Agent' => UserAgent::get(),
-            ],
+        $this->config['headers'] = array_replace([
+            'Content-Type' => 'application/json',
+            'X-Real-Ip' => $_SERVER['SERVER_ADDR'] ?? '',
+            'X-Forwarded-For' => $_SERVER['REMOTE_ADDR'] ?? '',
+            'User-Agent' => UserAgent::get(),
+        ], $config['headers'] ?? []);
+        $this->config = array_replace([
             'http_errors' => false,
-        ]);
+            'timeout' => $this->timeout,
+        ], $config);
     }
 
     public function send(string $data)