diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index b5cacc0..377121a 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -4,6 +4,6 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
-    target-branch: "develop"
+    target-branch: "master"
     labels:
       - "area/dependency"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index aaf76a7..647e4ef 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -3,6 +3,7 @@ name: Test
 on:
   push:
     branches:
+      - master
       - main
       - develop
       - '*-dev*'
diff --git a/choir-test.php b/choir-test.php
index 6b2956c..dbfdc9a 100644
--- a/choir-test.php
+++ b/choir-test.php
@@ -3,10 +3,12 @@
 /** @noinspection PhpComposerExtensionStubsInspection */
 
 declare(strict_types=1);
+use Choir\Http\Server;
+use Choir\Protocol\HttpConnection;
 
 require_once 'vendor/autoload.php';
 
-$server = new \Choir\Http\Server('0.0.0.0', 20001, false, [
+$server = new Server('0.0.0.0', 20001, false, [
     'worker-num' => 8,
     // 'logger-level' => 'debug',
 ]);
@@ -22,7 +24,7 @@
     // echo "http://127.0.0.1:8080/index.php?run={$id}&source=xhprof_testing\n";
 });
 
-$server->on('request', function (Choir\Protocol\HttpConnection $connection) {
+$server->on('request', function (HttpConnection $connection) {
     $connection->end('hello world');
 });
 
diff --git a/composer.json b/composer.json
index ef113e4..30dc27d 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "wiki": "https://github.com/botuniverse/php-libonebot/wiki"
     },
     "require": {
-        "php": "^7.4 || ^8.0 || ^8.1 || ^8.2",
+        "php": "^7.4 || ^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4",
         "ext-json": "*",
         "psr/cache": "^1.0 || ^3.0",
         "psr/event-dispatcher": "^1.0",
@@ -85,7 +85,7 @@
             "[ $COMPOSER_DEV_MODE -eq 0 ] || vendor/bin/cghooks add"
         ],
         "analyse": "phpstan analyse --memory-limit 300M",
-        "cs-fix": "php-cs-fixer fix",
+        "cs-fix": "PHP_CS_FIXER_IGNORE_ENV=1 php-cs-fixer fix",
         "test": "phpunit --no-coverage"
     }
 }
diff --git a/demo/repl.php b/demo/repl.php
index 2157140..0b193bf 100644
--- a/demo/repl.php
+++ b/demo/repl.php
@@ -3,12 +3,15 @@
 declare(strict_types=1);
 
 use OneBot\Driver\Event\DriverInitEvent;
+use OneBot\Driver\Swoole\SwooleDriver;
 use OneBot\Util\Utils;
+use OneBot\V12\EventBuilder;
 use OneBot\V12\Object\Action;
 use OneBot\V12\Object\ActionResponse;
 use OneBot\V12\OneBot;
 use OneBot\V12\OneBotBuilder;
 use OneBot\V12\Validator;
+use ZM\Logger\ConsoleLogger;
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
@@ -23,11 +26,11 @@ function message_id(): string
     'self_id' => 'REPL-1',
     'db' => true,
     'logger' => [
-        'class' => \ZM\Logger\ConsoleLogger::class,
+        'class' => ConsoleLogger::class,
         'level' => 'info',
     ],
     'driver' => [
-        'class' => \OneBot\Driver\Swoole\SwooleDriver::class,
+        'class' => SwooleDriver::class,
         'config' => [
             'init_in_user_process_block' => true,
         ],
@@ -81,7 +84,7 @@ function message_id(): string
             $event->getDriver()->getEventLoop()->delReadEvent($x);
             return;
         }
-        $event = (new \OneBot\V12\EventBuilder('message', 'private'))
+        $event = (new EventBuilder('message', 'private'))
             ->feed('message', trim($s))
             ->feed('alt_message', trim($s))
             ->feed('message_id', message_id())
diff --git a/demo/weixin.php b/demo/weixin.php
index c2bb53a..3731aa6 100644
--- a/demo/weixin.php
+++ b/demo/weixin.php
@@ -15,6 +15,7 @@
 use OneBot\V12\RetCode;
 use OneBot\V12\Validator;
 use Swoole\Coroutine\Channel;
+use ZM\Logger\ConsoleLogger;
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
@@ -24,7 +25,7 @@
     'self_id' => '', // 后续会自动获取
     'db' => true,
     'logger' => [
-        'class' => \ZM\Logger\ConsoleLogger::class,
+        'class' => ConsoleLogger::class,
         'level' => 'info',
     ],
     'driver' => [
@@ -118,7 +119,7 @@ function wx_make_xml_reply(Action $action, string $self_id): string
     return str_replace('{content}', '<![CDATA[' . $content . ']]>', $xml_template);
 }
 
-function swoole_channel(string $name, int $size = 1): Swoole\Coroutine\Channel
+function swoole_channel(string $name, int $size = 1): Channel
 {
     global $channel;
     if (!isset($channel[$name])) {
diff --git a/src/OneBot/Config/Loader/DelegateLoader.php b/src/OneBot/Config/Loader/DelegateLoader.php
index 4bcc9ad..2f1c9cc 100644
--- a/src/OneBot/Config/Loader/DelegateLoader.php
+++ b/src/OneBot/Config/Loader/DelegateLoader.php
@@ -14,7 +14,7 @@ class DelegateLoader implements LoaderInterface
     /**
      * @param null|array{string: LoaderInterface} $loaders 加载器列表，null则使用默认列表
      */
-    public function __construct(array $loaders = null)
+    public function __construct(?array $loaders = null)
     {
         foreach ((array) $loaders as $key => $loader) {
             if (!$loader instanceof LoaderInterface) {
diff --git a/src/OneBot/Config/Loader/LoadException.php b/src/OneBot/Config/Loader/LoadException.php
index 38f00b0..d63e262 100644
--- a/src/OneBot/Config/Loader/LoadException.php
+++ b/src/OneBot/Config/Loader/LoadException.php
@@ -4,6 +4,4 @@
 
 namespace OneBot\Config\Loader;
 
-class LoadException extends \RuntimeException
-{
-}
+class LoadException extends \RuntimeException {}
diff --git a/src/OneBot/Driver/Event/Event.php b/src/OneBot/Driver/Event/Event.php
index 9c7c3b9..75943d4 100644
--- a/src/OneBot/Driver/Event/Event.php
+++ b/src/OneBot/Driver/Event/Event.php
@@ -4,6 +4,4 @@
 
 namespace OneBot\Driver\Event;
 
-interface Event
-{
-}
+interface Event {}
diff --git a/src/OneBot/Driver/Event/Process/ManagerStartEvent.php b/src/OneBot/Driver/Event/Process/ManagerStartEvent.php
index 028b368..4d2c443 100644
--- a/src/OneBot/Driver/Event/Process/ManagerStartEvent.php
+++ b/src/OneBot/Driver/Event/Process/ManagerStartEvent.php
@@ -6,6 +6,4 @@
 
 use OneBot\Driver\Event\DriverEvent;
 
-class ManagerStartEvent extends DriverEvent
-{
-}
+class ManagerStartEvent extends DriverEvent {}
diff --git a/src/OneBot/Driver/Event/Process/ManagerStopEvent.php b/src/OneBot/Driver/Event/Process/ManagerStopEvent.php
index aa83bd2..212c9b5 100644
--- a/src/OneBot/Driver/Event/Process/ManagerStopEvent.php
+++ b/src/OneBot/Driver/Event/Process/ManagerStopEvent.php
@@ -6,6 +6,4 @@
 
 use OneBot\Driver\Event\DriverEvent;
 
-class ManagerStopEvent extends DriverEvent
-{
-}
+class ManagerStopEvent extends DriverEvent {}
diff --git a/src/OneBot/Driver/Event/Process/WorkerExitEvent.php b/src/OneBot/Driver/Event/Process/WorkerExitEvent.php
index 3b26fd4..80098d8 100644
--- a/src/OneBot/Driver/Event/Process/WorkerExitEvent.php
+++ b/src/OneBot/Driver/Event/Process/WorkerExitEvent.php
@@ -6,6 +6,4 @@
 
 use OneBot\Driver\Event\DriverEvent;
 
-class WorkerExitEvent extends DriverEvent
-{
-}
+class WorkerExitEvent extends DriverEvent {}
diff --git a/src/OneBot/Driver/Event/Process/WorkerStartEvent.php b/src/OneBot/Driver/Event/Process/WorkerStartEvent.php
index 318a704..b5e8111 100644
--- a/src/OneBot/Driver/Event/Process/WorkerStartEvent.php
+++ b/src/OneBot/Driver/Event/Process/WorkerStartEvent.php
@@ -6,6 +6,4 @@
 
 use OneBot\Driver\Event\DriverEvent;
 
-class WorkerStartEvent extends DriverEvent
-{
-}
+class WorkerStartEvent extends DriverEvent {}
diff --git a/src/OneBot/Driver/Event/Process/WorkerStopEvent.php b/src/OneBot/Driver/Event/Process/WorkerStopEvent.php
index 931ba4d..80c826c 100644
--- a/src/OneBot/Driver/Event/Process/WorkerStopEvent.php
+++ b/src/OneBot/Driver/Event/Process/WorkerStopEvent.php
@@ -6,6 +6,4 @@
 
 use OneBot\Driver\Event\DriverEvent;
 
-class WorkerStopEvent extends DriverEvent
-{
-}
+class WorkerStopEvent extends DriverEvent {}
diff --git a/src/OneBot/Driver/Event/StopException.php b/src/OneBot/Driver/Event/StopException.php
index b5014aa..029e874 100644
--- a/src/OneBot/Driver/Event/StopException.php
+++ b/src/OneBot/Driver/Event/StopException.php
@@ -8,7 +8,7 @@ class StopException extends \Exception
 {
     private DriverEvent $event;
 
-    public function __construct(DriverEvent $event, $message = '', $code = 0, \Throwable $previous = null)
+    public function __construct(DriverEvent $event, $message = '', $code = 0, ?\Throwable $previous = null)
     {
         $this->event = $event;
         parent::__construct($message, $code, $previous);
diff --git a/src/OneBot/Driver/Swoole/Socket/HttpClientSocket.php b/src/OneBot/Driver/Swoole/Socket/HttpClientSocket.php
index da68b22..4e13117 100644
--- a/src/OneBot/Driver/Swoole/Socket/HttpClientSocket.php
+++ b/src/OneBot/Driver/Swoole/Socket/HttpClientSocket.php
@@ -6,6 +6,4 @@
 
 use OneBot\Driver\Socket\HttpClientSocketBase;
 
-class HttpClientSocket extends HttpClientSocketBase
-{
-}
+class HttpClientSocket extends HttpClientSocketBase {}
diff --git a/src/OneBot/Driver/Swoole/Socket/WSClientSocket.php b/src/OneBot/Driver/Swoole/Socket/WSClientSocket.php
index c61a383..4ff0876 100644
--- a/src/OneBot/Driver/Swoole/Socket/WSClientSocket.php
+++ b/src/OneBot/Driver/Swoole/Socket/WSClientSocket.php
@@ -6,6 +6,4 @@
 
 use OneBot\Driver\Socket\WSClientSocketBase;
 
-class WSClientSocket extends WSClientSocketBase
-{
-}
+class WSClientSocket extends WSClientSocketBase {}
diff --git a/src/OneBot/Driver/Workerman/Socket/HttpClientSocket.php b/src/OneBot/Driver/Workerman/Socket/HttpClientSocket.php
index 6e21cdf..15cf0d1 100644
--- a/src/OneBot/Driver/Workerman/Socket/HttpClientSocket.php
+++ b/src/OneBot/Driver/Workerman/Socket/HttpClientSocket.php
@@ -6,6 +6,4 @@
 
 use OneBot\Driver\Socket\HttpClientSocketBase;
 
-class HttpClientSocket extends HttpClientSocketBase
-{
-}
+class HttpClientSocket extends HttpClientSocketBase {}
diff --git a/src/OneBot/Driver/Workerman/Socket/WSClientSocket.php b/src/OneBot/Driver/Workerman/Socket/WSClientSocket.php
index ca62466..e8540e9 100644
--- a/src/OneBot/Driver/Workerman/Socket/WSClientSocket.php
+++ b/src/OneBot/Driver/Workerman/Socket/WSClientSocket.php
@@ -6,6 +6,4 @@
 
 use OneBot\Driver\Socket\WSClientSocketBase;
 
-class WSClientSocket extends WSClientSocketBase
-{
-}
+class WSClientSocket extends WSClientSocketBase {}
diff --git a/src/OneBot/Driver/Workerman/Worker.php b/src/OneBot/Driver/Workerman/Worker.php
index 724c35a..09a5db9 100644
--- a/src/OneBot/Driver/Workerman/Worker.php
+++ b/src/OneBot/Driver/Workerman/Worker.php
@@ -121,7 +121,7 @@ public static function stopAll($code = 0, $log = '')
                     Timer::add(static::$stopTimeout, '\posix_kill', [$worker_pid, \SIGKILL], false);
                 }
             }
-            Timer::add(1, '\\Workerman\\Worker::checkIfChildRunning');
+            Timer::add(1, '\Workerman\Worker::checkIfChildRunning');
             // Remove statistics file.
             if (\is_file(static::$_statisticsFile)) {
                 @\unlink(static::$_statisticsFile);
diff --git a/src/OneBot/V12/Action/DefaultActionHandler.php b/src/OneBot/V12/Action/DefaultActionHandler.php
index a8ee336..39c38b9 100644
--- a/src/OneBot/V12/Action/DefaultActionHandler.php
+++ b/src/OneBot/V12/Action/DefaultActionHandler.php
@@ -7,6 +7,4 @@
 /**
  * 当未设置 Action 基础处理类时，将默认使用 ActionBase 级别的所有 Not Implemented Action
  */
-class DefaultActionHandler extends ActionHandlerBase
-{
-}
+class DefaultActionHandler extends ActionHandlerBase {}
diff --git a/src/OneBot/V12/Exception/OneBotException.php b/src/OneBot/V12/Exception/OneBotException.php
index 91d7b50..88860f9 100644
--- a/src/OneBot/V12/Exception/OneBotException.php
+++ b/src/OneBot/V12/Exception/OneBotException.php
@@ -4,6 +4,4 @@
 
 namespace OneBot\V12\Exception;
 
-class OneBotException extends \Exception
-{
-}
+class OneBotException extends \Exception {}
diff --git a/src/OneBot/V12/Exception/OneBotFailureException.php b/src/OneBot/V12/Exception/OneBotFailureException.php
index 89576f6..85efc12 100644
--- a/src/OneBot/V12/Exception/OneBotFailureException.php
+++ b/src/OneBot/V12/Exception/OneBotFailureException.php
@@ -20,7 +20,7 @@ public function __construct(
         $retcode = RetCode::INTERNAL_HANDLER_ERROR,
         ?Action $action_object = null,
         $message = null,
-        \Exception $previous = null
+        ?\Exception $previous = null
     ) {
         $this->retcode = $retcode;
         $this->action_object = $action_object;
diff --git a/src/OneBot/V12/OneBot.php b/src/OneBot/V12/OneBot.php
index ecc8a81..b57e038 100644
--- a/src/OneBot/V12/OneBot.php
+++ b/src/OneBot/V12/OneBot.php
@@ -250,8 +250,7 @@ public function dispatchEvent(OneBotEvent $event): void
             }
             $socket->post(json_encode($event->jsonSerialize()), $this->getRequestHeaders(), function (ResponseInterface $response) {
                 // TODO：编写 HTTP Webhook 响应的处理逻辑
-            }, function (RequestInterface $request) {
-            });
+            }, function (RequestInterface $request) {});
         }
         $frame_str = FrameFactory::createTextFrame(json_encode($event->jsonSerialize())); // 创建文本帧
         foreach ($this->driver->getWSServerSockets() as $socket) {
diff --git a/src/OneBot/V12/OneBotBuilder.php b/src/OneBot/V12/OneBotBuilder.php
index 767d881..244ee9d 100644
--- a/src/OneBot/V12/OneBotBuilder.php
+++ b/src/OneBot/V12/OneBotBuilder.php
@@ -5,6 +5,7 @@
 namespace OneBot\V12;
 
 use OneBot\Config\Config;
+use OneBot\Config\Repository;
 use OneBot\Config\RepositoryInterface;
 use OneBot\Driver\Driver;
 use Psr\Log\LoggerInterface;
@@ -136,7 +137,7 @@ public function build(): OneBot
      */
     public static function buildFromArray(array $array): OneBot
     {
-        $config = new \OneBot\Config\Repository($array);
+        $config = new Repository($array);
         return self::buildFromConfig($config);
     }
 
diff --git a/src/OneBot/global_defines.php b/src/OneBot/global_defines.php
index c6a3ce9..5062309 100644
--- a/src/OneBot/global_defines.php
+++ b/src/OneBot/global_defines.php
@@ -10,10 +10,11 @@
 use OneBot\V12\Object\MessageSegment;
 use OneBot\V12\OneBot;
 use Psr\Log\LoggerInterface;
+use Symfony\Component\VarDumper\VarDumper;
 use ZM\Logger\ConsoleLogger;
 
 const ONEBOT_VERSION = '12';
-const ONEBOT_LIBOB_VERSION = '0.6.8';
+const ONEBOT_LIBOB_VERSION = '0.6.9';
 
 const ONEBOT_JSON = 1;
 const ONEBOT_MSGPACK = 2;
@@ -38,7 +39,7 @@
 class_alias(MessageSegment::class, 'MessageSegment');
 
 if (DIRECTORY_SEPARATOR === '\\') {
-    define('ONEBOT_TMP_DIR', 'C:\\Windows\\Temp');
+    define('ONEBOT_TMP_DIR', 'C:\Windows\Temp');
 } elseif (!empty(getenv('TMPDIR'))) {
     define('ONEBOT_TMP_DIR', getenv('TMPDIR'));
 } elseif (is_writable('/tmp')) {
@@ -56,9 +57,9 @@ class_alias(MessageSegment::class, 'MessageSegment');
 function ob_dump($var, ...$moreVars)
 {
     if (class_exists('\Symfony\Component\VarDumper\VarDumper')) {
-        Symfony\Component\VarDumper\VarDumper::dump($var);
+        VarDumper::dump($var);
         foreach ($moreVars as $v) {
-            Symfony\Component\VarDumper\VarDumper::dump($v);
+            VarDumper::dump($v);
         }
     } elseif (PHP_VERSION >= 8.0) {
         var_dump($var, ...$moreVars);
@@ -121,7 +122,7 @@ function ob_logger_register(LoggerInterface $logger): void
  * @param  null|mixed $default
  * @return mixed
  */
-function ob_config(string $key = null, $default = null)
+function ob_config(?string $key = null, $default = null)
 {
     $config = OneBot::getInstance()->getConfig();
     if (!is_null($key)) {
@@ -144,8 +145,8 @@ function ob_uuidgen(bool $uppercase = false): string
     }
     $data[6] = chr(ord($data[6]) & 0x0F | 0x40);
     $data[8] = chr(ord($data[8]) & 0x3F | 0x80);
-    return $uppercase ? strtoupper(vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4))) :
-        vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
+    return $uppercase ? strtoupper(vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4)))
+        : vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
 }
 
 function ob_event_dispatcher(): HandledDispatcherInterface
diff --git a/tests/OneBot/Config/Loader/AbstractFileLoaderTest.php b/tests/OneBot/Config/Loader/AbstractFileLoaderTest.php
index b5c9697..dd62e00 100644
--- a/tests/OneBot/Config/Loader/AbstractFileLoaderTest.php
+++ b/tests/OneBot/Config/Loader/AbstractFileLoaderTest.php
@@ -45,15 +45,15 @@ public function providerTestGetAbsolutePath(): array
                 'Linux',
             ],
             'windows absolute path' => [
-                'C:\\Windows\\System32\\drivers\\etc\\hosts',
-                'C:\\Windows\\System32',
-                'C:\\Windows\\System32\\drivers\\etc\\hosts',
+                'C:\Windows\System32\drivers\etc\hosts',
+                'C:\Windows\System32',
+                'C:\Windows\System32\drivers\etc\hosts',
                 'Windows',
             ],
             'windows relative path' => [
-                'drivers\\etc\\hosts',
-                'C:\\Windows\\System32',
-                'C:\\Windows\\System32\\drivers\\etc\\hosts',
+                'drivers\etc\hosts',
+                'C:\Windows\System32',
+                'C:\Windows\System32\drivers\etc\hosts',
                 'Windows',
             ],
         ];
diff --git a/tests/OneBot/Config/RepositoryTest.php b/tests/OneBot/Config/RepositoryTest.php
index 16b82de..e9770c6 100644
--- a/tests/OneBot/Config/RepositoryTest.php
+++ b/tests/OneBot/Config/RepositoryTest.php
@@ -109,6 +109,16 @@ public function testDeleteValue(string $key): void
         $this->assertNull($this->repository->get($key));
     }
 
+    public function providerTestDeleteValue(): array
+    {
+        return [
+            'shallow' => ['foo'],
+            'deep' => ['associate.x'],
+            'not exists' => ['not_exists'],
+            'not exists deep' => ['deep.not_exists'],
+        ];
+    }
+
     public function testHas(): void
     {
         $this->assertTrue($this->repository->has('foo'));
@@ -119,14 +129,4 @@ public function testAll(): void
     {
         $this->assertSame($this->config, $this->repository->all());
     }
-
-    public function providerTestDeleteValue(): array
-    {
-        return [
-            'shallow' => ['foo'],
-            'deep' => ['associate.x'],
-            'not exists' => ['not_exists'],
-            'not exists deep' => ['deep.not_exists'],
-        ];
-    }
 }
diff --git a/tests/OneBot/Exception/ExceptionHandlerTest.php b/tests/OneBot/Exception/ExceptionHandlerTest.php
index c7261d6..f074a5b 100644
--- a/tests/OneBot/Exception/ExceptionHandlerTest.php
+++ b/tests/OneBot/Exception/ExceptionHandlerTest.php
@@ -4,6 +4,7 @@
 
 namespace Tests\OneBot\Exception;
 
+use OneBot\Exception\ExceptionHandler;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\NullLogger;
 
@@ -20,7 +21,7 @@ public function testCanHandleWithoutOverriding(): void
         ob_logger_register(new NullLogger());
 
         // we want fresh instance here, since it's a singleton, we use reflection to get a new instance
-        $reflection = new \ReflectionClass(\OneBot\Exception\ExceptionHandler::class);
+        $reflection = new \ReflectionClass(ExceptionHandler::class);
         $instance = $reflection->newInstanceWithoutConstructor();
         // expect handle() to not throw any exception
         $this->expectNotToPerformAssertions();
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 4e80822..b49071e 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -3,6 +3,7 @@
 declare(strict_types=1);
 
 use OneBot\Driver\Workerman\WorkermanDriver;
+use OneBot\Util\FileUtil;
 use OneBot\V12\OneBotBuilder;
 use ZM\Logger\ConsoleLogger;
 
@@ -17,4 +18,4 @@
     ->setCommunicationsProtocol([['http' => ['host' => '0.0.0.0', 'port' => 20001]]])
     ->build();
 
-$ob->getConfig()->set('file_upload.path', \OneBot\Util\FileUtil::getRealPath(__DIR__ . '/../data/files'));
+$ob->getConfig()->set('file_upload.path', FileUtil::getRealPath(__DIR__ . '/../data/files'));