diff --git a/composer.json b/composer.json
index 193c1e8..742d2b6 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         "hyperf/config": "~3.0.0",
         "hyperf/di": "~3.0.0",
         "hyperf/guzzle": "~3.0.0",
-        "openai-php/client": "^0.3.2"
+        "openai-php/client": "^0.3.4"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.0",
diff --git a/src/ClientFactory.php b/src/ClientFactory.php
index cab2bed..4a91cbd 100644
--- a/src/ClientFactory.php
+++ b/src/ClientFactory.php
@@ -11,7 +11,12 @@
 namespace FriendsOfHyperf\OpenAi;
 
 use FriendsOfHyperf\OpenAi\Exception\ApiKeyIsMissing;
-use OpenAI;
+use Hyperf\Guzzle\ClientFactory as GuzzleClientFactory;
+use OpenAI\Client;
+use OpenAI\Transporters\HttpTransporter;
+use OpenAI\ValueObjects\ApiKey;
+use OpenAI\ValueObjects\Transporter\BaseUri;
+use OpenAI\ValueObjects\Transporter\Headers;
 use Psr\Container\ContainerInterface;
 
 class ClientFactory
@@ -25,6 +30,17 @@ public function __invoke(ContainerInterface $container)
             throw ApiKeyIsMissing::create();
         }
 
-        return OpenAI::client($apiKey, $organization);
+        $apiKey = ApiKey::from($apiKey);
+        $baseUri = BaseUri::from('api.openai.com/v1');
+        $headers = Headers::withAuthorization($apiKey);
+
+        if ($organization !== null) {
+            $headers = $headers->withOrganization($organization);
+        }
+
+        $client = $container->get(GuzzleClientFactory::class)->create();
+        $transporter = new HttpTransporter($client, $baseUri, $headers);
+
+        return new Client($transporter);
     }
 }
diff --git a/tests/Pest.php b/tests/Pest.php
index 5949c61..ac00dd0 100644
--- a/tests/Pest.php
+++ b/tests/Pest.php
@@ -1,16 +1,13 @@
 <?php
 
-/*
-|--------------------------------------------------------------------------
-| Test Case
-|--------------------------------------------------------------------------
-|
-| The closure you provide to your test functions is always bound to a specific PHPUnit test
-| case class. By default, that class is "PHPUnit\Framework\TestCase". Of course, you may
-| need to change it using the "uses()" function to bind a different classes or traits.
-|
-*/
-
+declare(strict_types=1);
+/**
+ * This file is part of openai-client.
+ *
+ * @link     https://github.com/friendsofhyperf/openai-client
+ * @document https://github.com/friendsofhyperf/openai-client/blob/main/README.md
+ * @contact  huangdijia@gmail.com
+ */
 // uses(Tests\TestCase::class)->in('Feature');
 
 /*
diff --git a/tests/TestCase.php b/tests/TestCase.php
index cfb05b6..88da3c2 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -1,10 +1,17 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of openai-client.
+ *
+ * @link     https://github.com/friendsofhyperf/openai-client
+ * @document https://github.com/friendsofhyperf/openai-client/blob/main/README.md
+ * @contact  huangdijia@gmail.com
+ */
 namespace Tests;
 
 use PHPUnit\Framework\TestCase as BaseTestCase;
 
 abstract class TestCase extends BaseTestCase
 {
-    //
 }