diff --git a/config/autoload/server.php b/config/autoload/server.php
index 0b66401..87c5717 100644
--- a/config/autoload/server.php
+++ b/config/autoload/server.php
@@ -9,6 +9,9 @@ declare(strict_types=1);
  * @contact  group@hyperf.io
  * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
  */
+use Hyperf\Framework\Bootstrap\WorkerStartCallback;
+use Hyperf\Framework\Bootstrap\PipeMessageCallback;
+use Hyperf\Framework\Bootstrap\WorkerExitCallback;
 use Hyperf\Server\Event;
 use Hyperf\Server\Server;
 use Swoole\Constant;
@@ -40,8 +43,8 @@ return [
         Constant::OPTION_BUFFER_OUTPUT_SIZE => 2 * 1024 * 1024,
     ],
     'callbacks' => [
-        Event::ON_WORKER_START => [Hyperf\Framework\Bootstrap\WorkerStartCallback::class, 'onWorkerStart'],
-        Event::ON_PIPE_MESSAGE => [Hyperf\Framework\Bootstrap\PipeMessageCallback::class, 'onPipeMessage'],
-        Event::ON_WORKER_EXIT => [Hyperf\Framework\Bootstrap\WorkerExitCallback::class, 'onWorkerExit'],
+        Event::ON_WORKER_START => [WorkerStartCallback::class, 'onWorkerStart'],
+        Event::ON_PIPE_MESSAGE => [PipeMessageCallback::class, 'onPipeMessage'],
+        Event::ON_WORKER_EXIT => [WorkerExitCallback::class, 'onWorkerExit'],
     ],
 ];
diff --git a/tests/HttpTestCase.php b/tests/HttpTestCase.php
index d38358a..d1cdb81 100644
--- a/tests/HttpTestCase.php
+++ b/tests/HttpTestCase.php
@@ -12,6 +12,7 @@ declare(strict_types=1);
 
 namespace Tests;
 
+use function Hyperf\Config\config;
 use Hyperf\Testing\Client;
 use Lmc\HttpConstants\Header;
 use PHPUnit\Framework\TestCase;
@@ -55,7 +56,7 @@ abstract class HttpTestCase extends TestCase
                 sprintf(
                     '%s:%s',
                     $uid,
-                    md5($uid . \Hyperf\Config\config('common.token.basic.salt'))
+                    md5($uid . config('common.token.basic.salt'))
                 )
             )
         );
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 8396ecb..fe158b5 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,6 +1,10 @@
 <?php
 
 declare(strict_types=1);
+
+use Swoole\Runtime;
+use Hyperf\Di\ClassLoader;
+use Hyperf\Contract\ApplicationInterface;
 /**
  * This file is part of Hyperf.
  *
@@ -18,12 +22,12 @@ date_default_timezone_set('Asia/Shanghai');
 ! defined('BASE_PATH') && define('BASE_PATH', dirname(__DIR__, 1));
 ! defined('SWOOLE_HOOK_FLAGS') && define('SWOOLE_HOOK_FLAGS', SWOOLE_HOOK_ALL);
 
-Swoole\Runtime::enableCoroutine(true);
+Runtime::enableCoroutine(true);
 
 require BASE_PATH . '/vendor/autoload.php';
 
-Hyperf\Di\ClassLoader::init();
+ClassLoader::init();
 
 $container = require BASE_PATH . '/config/container.php';
 
-$container->get(Hyperf\Contract\ApplicationInterface::class);
+$container->get(ApplicationInterface::class);