diff --git a/composer.json b/composer.json
index c3d596e87..770184deb 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,6 @@
     "thenorthmemory/xml": "^1.0"
   },
   "require-dev": {
-    "brainmaestro/composer-git-hooks": "^2.8",
     "mikey179/vfsstream": "^1.6",
     "mockery/mockery": "^1.4.4",
     "phpstan/phpstan": "^1.0",
@@ -56,36 +55,8 @@
       "EasyWeChat\\Tests\\": "tests/"
     }
   },
-  "extra": {
-    "hooks": {
-      "pre-commit": [
-        "composer check-style",
-        "composer phpstan",
-        "composer test"
-      ],
-      "pre-push": [
-        "composer check-style"
-      ],
-      "config": {
-        "stop-on-failure": [
-          "pre-commit",
-          "pre-push"
-        ]
-      }
-    }
-  },
   "scripts": {
-    "post-update-cmd": [
-      "cghooks remove",
-      "cghooks add --ignore-lock",
-      "cghooks update"
-    ],
     "post-merge": "composer install",
-    "post-install-cmd": [
-      "cghooks remove",
-      "cghooks add --ignore-lock",
-      "cghooks update"
-    ],
     "phpstan": "phpstan analyse --memory-limit=-1",
     "check-style": "vendor/bin/pint --test",
     "fix-style": "vendor/bin/pint",
diff --git a/src/Kernel/Contracts/Aes.php b/src/Kernel/Contracts/Aes.php
index e72969f37..02c3e6076 100644
--- a/src/Kernel/Contracts/Aes.php
+++ b/src/Kernel/Contracts/Aes.php
@@ -4,7 +4,7 @@
 
 interface Aes
 {
-    public static function encrypt(string $plaintext, string $key, string $iv = null): string;
+    public static function encrypt(string $plaintext, string $key, ?string $iv = null): string;
 
-    public static function decrypt(string $ciphertext, string $key, string $iv = null): string;
+    public static function decrypt(string $ciphertext, string $key, ?string $iv = null): string;
 }
diff --git a/src/Kernel/Encryptor.php b/src/Kernel/Encryptor.php
index 8e9d3c9b7..cbdf54cda 100644
--- a/src/Kernel/Encryptor.php
+++ b/src/Kernel/Encryptor.php
@@ -65,7 +65,7 @@ class Encryptor
 
     protected ?string $receiveId = null;
 
-    public function __construct(string $appId, string $token, string $aesKey, string $receiveId = null)
+    public function __construct(string $appId, string $token, string $aesKey, ?string $receiveId = null)
     {
         $this->appId = $appId;
         $this->token = $token;
@@ -82,7 +82,7 @@ public function getToken(): string
      * @throws RuntimeException
      * @throws Exception
      */
-    public function encrypt(string $plaintext, string $nonce = null, int|string $timestamp = null): string
+    public function encrypt(string $plaintext, ?string $nonce = null, int|string|null $timestamp = null): string
     {
         try {
             $plaintext = Pkcs7::padding(random_bytes(16).pack('N', strlen($plaintext)).$plaintext.$this->appId, 32);
diff --git a/src/Kernel/Exceptions/HttpException.php b/src/Kernel/Exceptions/HttpException.php
index 6dbae96a5..db27bd276 100644
--- a/src/Kernel/Exceptions/HttpException.php
+++ b/src/Kernel/Exceptions/HttpException.php
@@ -13,7 +13,7 @@ class HttpException extends Exception
     /**
      * HttpException constructor.
      */
-    public function __construct(string $message, ResponseInterface $response = null, int $code = 0)
+    public function __construct(string $message, ?ResponseInterface $response = null, int $code = 0)
     {
         parent::__construct($message, $code);
 
diff --git a/src/Kernel/Form/File.php b/src/Kernel/Form/File.php
index 6f1db1152..120833bcf 100644
--- a/src/Kernel/Form/File.php
+++ b/src/Kernel/Form/File.php
@@ -22,9 +22,9 @@ class File extends DataPart
      */
     public static function from(
         string $pathOrContents,
-        string $filename = null,
-        string $contentType = null,
-        string $encoding = null
+        ?string $filename = null,
+        ?string $contentType = null,
+        ?string $encoding = null
     ): DataPart {
         if (file_exists($pathOrContents)) {
             return static::fromPath($pathOrContents, $filename, $contentType);
@@ -38,9 +38,9 @@ public static function from(
      */
     public static function fromContents(
         string $contents,
-        string $filename = null,
-        string $contentType = null,
-        string $encoding = null
+        ?string $filename = null,
+        ?string $contentType = null,
+        ?string $encoding = null
     ): DataPart {
         if ($contentType === null) {
             $mimeTypes = new MimeTypes();
@@ -70,9 +70,9 @@ public static function fromContents(
      */
     public static function withContents(
         string $contents,
-        string $filename = null,
-        string $contentType = null,
-        string $encoding = null
+        ?string $filename = null,
+        ?string $contentType = null,
+        ?string $encoding = null
     ): DataPart {
         return self::fromContents(...func_get_args());
     }
diff --git a/src/Kernel/HttpClient/AccessTokenAwareClient.php b/src/Kernel/HttpClient/AccessTokenAwareClient.php
index 2cbcc6b88..cd639e2bf 100644
--- a/src/Kernel/HttpClient/AccessTokenAwareClient.php
+++ b/src/Kernel/HttpClient/AccessTokenAwareClient.php
@@ -32,7 +32,7 @@ class AccessTokenAwareClient implements AccessTokenAwareHttpClientInterface
     use RetryableClient;
 
     public function __construct(
-        HttpClientInterface $client = null,
+        ?HttpClientInterface $client = null,
         protected ?AccessTokenInterface $accessToken = null,
         protected ?Closure $failureJudge = null,
         protected bool $throw = true
diff --git a/src/Kernel/HttpClient/RequestWithPresets.php b/src/Kernel/HttpClient/RequestWithPresets.php
index 79ac016ef..70a1de332 100644
--- a/src/Kernel/HttpClient/RequestWithPresets.php
+++ b/src/Kernel/HttpClient/RequestWithPresets.php
@@ -88,7 +88,7 @@ public function with(string|array $key, mixed $value = null): static
      * @throws RuntimeException
      * @throws InvalidArgumentException
      */
-    public function withFile(string $pathOrContents, string $formName = 'file', string $filename = null): static
+    public function withFile(string $pathOrContents, string $formName = 'file', ?string $filename = null): static
     {
         $file = is_file($pathOrContents) ? File::fromPath(
             $pathOrContents,
@@ -111,7 +111,7 @@ public function withFile(string $pathOrContents, string $formName = 'file', stri
      * @throws RuntimeException
      * @throws InvalidArgumentException
      */
-    public function withFileContents(string $contents, string $formName = 'file', string $filename = null): static
+    public function withFileContents(string $contents, string $formName = 'file', ?string $filename = null): static
     {
         return $this->withFile($contents, $formName, $filename);
     }
diff --git a/src/Kernel/HttpClient/Response.php b/src/Kernel/HttpClient/Response.php
index bb9cf9b3c..60d0eccbd 100644
--- a/src/Kernel/HttpClient/Response.php
+++ b/src/Kernel/HttpClient/Response.php
@@ -112,7 +112,7 @@ public function isFailed(): bool
      * @throws ClientExceptionInterface
      * @throws BadResponseException
      */
-    public function toArray(bool $throw = null): array
+    public function toArray(?bool $throw = null): array
     {
         $throw ??= $this->throw;
 
@@ -143,7 +143,7 @@ public function toArray(bool $throw = null): array
      * @throws ClientExceptionInterface
      * @throws BadResponseException
      */
-    public function toJson(bool $throw = null): string|false
+    public function toJson(?bool $throw = null): string|false
     {
         return json_encode($this->toArray($throw), JSON_UNESCAPED_UNICODE);
     }
@@ -151,7 +151,7 @@ public function toJson(bool $throw = null): string|false
     /**
      * {@inheritdoc}
      */
-    public function toStream(bool $throw = null)
+    public function toStream(?bool $throw = null)
     {
         if ($this->response instanceof StreamableInterface) {
             return $this->response->toStream($throw ?? $this->throw);
@@ -175,7 +175,7 @@ public function toDataUrl(): string
         return 'data:'.$this->getHeaderLine('content-type').';base64,'.base64_encode($this->getContent());
     }
 
-    public function toPsrResponse(ResponseFactoryInterface $responseFactory = null, StreamFactoryInterface $streamFactory = null): \Psr\Http\Message\ResponseInterface
+    public function toPsrResponse(?ResponseFactoryInterface $responseFactory = null, ?StreamFactoryInterface $streamFactory = null): \Psr\Http\Message\ResponseInterface
     {
         $streamFactory ??= $responseFactory instanceof StreamFactoryInterface ? $responseFactory : null;
 
@@ -290,12 +290,12 @@ public function getStatusCode(): int
         return $this->response->getStatusCode();
     }
 
-    public function getHeaders(bool $throw = null): array
+    public function getHeaders(?bool $throw = null): array
     {
         return $this->response->getHeaders($throw ?? $this->throw);
     }
 
-    public function getContent(bool $throw = null): string
+    public function getContent(?bool $throw = null): string
     {
         return $this->response->getContent($throw ?? $this->throw);
     }
@@ -305,7 +305,7 @@ public function cancel(): void
         $this->response->cancel();
     }
 
-    public function getInfo(string $type = null): mixed
+    public function getInfo(?string $type = null): mixed
     {
         return $this->response->getInfo($type);
     }
@@ -329,7 +329,7 @@ public function __toString(): string
      * @throws RedirectionExceptionInterface
      * @throws ClientExceptionInterface
      */
-    public function hasHeader(string $name, bool $throw = null): bool
+    public function hasHeader(string $name, ?bool $throw = null): bool
     {
         return isset($this->getHeaders($throw)[$name]);
     }
@@ -342,7 +342,7 @@ public function hasHeader(string $name, bool $throw = null): bool
      * @throws RedirectionExceptionInterface
      * @throws ClientExceptionInterface
      */
-    public function getHeader(string $name, bool $throw = null): array
+    public function getHeader(string $name, ?bool $throw = null): array
     {
         $name = strtolower($name);
         $throw ??= $this->throw;
@@ -356,7 +356,7 @@ public function getHeader(string $name, bool $throw = null): array
      * @throws RedirectionExceptionInterface
      * @throws ClientExceptionInterface
      */
-    public function getHeaderLine(string $name, bool $throw = null): string
+    public function getHeaderLine(string $name, ?bool $throw = null): string
     {
         $name = strtolower($name);
         $throw ??= $this->throw;
diff --git a/src/Kernel/HttpClient/RetryableClient.php b/src/Kernel/HttpClient/RetryableClient.php
index 44b4e6c18..c43daa0ca 100644
--- a/src/Kernel/HttpClient/RetryableClient.php
+++ b/src/Kernel/HttpClient/RetryableClient.php
@@ -36,7 +36,7 @@ public function retry(array $config = []): static
     public function retryUsing(
         RetryStrategyInterface $strategy,
         int $maxRetries = 3,
-        LoggerInterface $logger = null
+        ?LoggerInterface $logger = null
     ): static {
         $this->client = new RetryableHttpClient($this->client, $strategy, $maxRetries, $logger);
 
diff --git a/src/Kernel/HttpClient/ScopingHttpClient.php b/src/Kernel/HttpClient/ScopingHttpClient.php
index 74c3ed54e..fad671052 100644
--- a/src/Kernel/HttpClient/ScopingHttpClient.php
+++ b/src/Kernel/HttpClient/ScopingHttpClient.php
@@ -38,7 +38,7 @@ public function request(string $method, string $url, array $options = []): Respo
         return $this->client->request($method, $url, $options);
     }
 
-    public function stream(ResponseInterface|iterable $responses, float $timeout = null): ResponseStreamInterface
+    public function stream(ResponseInterface|iterable $responses, ?float $timeout = null): ResponseStreamInterface
     {
         return $this->client->stream($responses, $timeout);
     }
diff --git a/src/Kernel/Support/AesCbc.php b/src/Kernel/Support/AesCbc.php
index 3b4e66447..b349b9c70 100644
--- a/src/Kernel/Support/AesCbc.php
+++ b/src/Kernel/Support/AesCbc.php
@@ -16,7 +16,7 @@ class AesCbc implements Aes
     /**
      * @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
      */
-    public static function encrypt(string $plaintext, string $key, string $iv = null): string
+    public static function encrypt(string $plaintext, string $key, ?string $iv = null): string
     {
         $ciphertext = \openssl_encrypt($plaintext, 'aes-128-cbc', $key, OPENSSL_RAW_DATA, (string) $iv);
 
@@ -30,7 +30,7 @@ public static function encrypt(string $plaintext, string $key, string $iv = null
     /**
      * @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
      */
-    public static function decrypt(string $ciphertext, string $key, string $iv = null): string
+    public static function decrypt(string $ciphertext, string $key, ?string $iv = null): string
     {
         $plaintext = openssl_decrypt(
             base64_decode($ciphertext),
diff --git a/src/Kernel/Support/AesEcb.php b/src/Kernel/Support/AesEcb.php
index b95ed85a9..f910f19d5 100644
--- a/src/Kernel/Support/AesEcb.php
+++ b/src/Kernel/Support/AesEcb.php
@@ -16,7 +16,7 @@ class AesEcb implements Aes
     /**
      * @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
      */
-    public static function encrypt(string $plaintext, string $key, string $iv = null): string
+    public static function encrypt(string $plaintext, string $key, ?string $iv = null): string
     {
         $ciphertext = \openssl_encrypt($plaintext, 'aes-256-ecb', $key, OPENSSL_RAW_DATA, (string) $iv);
 
@@ -30,7 +30,7 @@ public static function encrypt(string $plaintext, string $key, string $iv = null
     /**
      * @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
      */
-    public static function decrypt(string $ciphertext, string $key, string $iv = null): string
+    public static function decrypt(string $ciphertext, string $key, ?string $iv = null): string
     {
         $plaintext = openssl_decrypt(
             base64_decode($ciphertext, true) ?: '',
diff --git a/src/Kernel/Support/AesGcm.php b/src/Kernel/Support/AesGcm.php
index d7f90428c..5745b7b39 100644
--- a/src/Kernel/Support/AesGcm.php
+++ b/src/Kernel/Support/AesGcm.php
@@ -20,7 +20,7 @@ class AesGcm implements Aes
     /**
      * @throws InvalidArgumentException
      */
-    public static function encrypt(string $plaintext, string $key, string $iv = null, string $aad = ''): string
+    public static function encrypt(string $plaintext, string $key, ?string $iv = null, string $aad = ''): string
     {
         $ciphertext = openssl_encrypt(
             $plaintext,
@@ -43,7 +43,7 @@ public static function encrypt(string $plaintext, string $key, string $iv = null
     /**
      * @throws InvalidArgumentException
      */
-    public static function decrypt(string $ciphertext, string $key, string $iv = null, string $aad = ''): string
+    public static function decrypt(string $ciphertext, string $key, ?string $iv = null, string $aad = ''): string
     {
         $ciphertext = base64_decode($ciphertext);
 
diff --git a/src/Kernel/Traits/RespondXmlMessage.php b/src/Kernel/Traits/RespondXmlMessage.php
index 95307c866..99555e512 100644
--- a/src/Kernel/Traits/RespondXmlMessage.php
+++ b/src/Kernel/Traits/RespondXmlMessage.php
@@ -22,7 +22,7 @@ trait RespondXmlMessage
      * @throws RuntimeException
      * @throws InvalidArgumentException
      */
-    public function transformToReply(mixed $response, Message $message, Encryptor $encryptor = null): ResponseInterface
+    public function transformToReply(mixed $response, Message $message, ?Encryptor $encryptor = null): ResponseInterface
     {
         if (empty($response)) {
             return new Response(200, [], 'success');
@@ -79,7 +79,7 @@ protected function normalizeResponse(mixed $response): array
      *
      * @throws RuntimeException
      */
-    protected function createXmlResponse(array $attributes, Encryptor $encryptor = null): ResponseInterface
+    protected function createXmlResponse(array $attributes, ?Encryptor $encryptor = null): ResponseInterface
     {
         $xml = Xml::build($attributes);
 
diff --git a/src/OfficialAccount/AccessToken.php b/src/OfficialAccount/AccessToken.php
index 7a9140bc5..1e8594409 100644
--- a/src/OfficialAccount/AccessToken.php
+++ b/src/OfficialAccount/AccessToken.php
@@ -36,8 +36,8 @@ public function __construct(
         protected string $appId,
         protected string $secret,
         protected ?string $key = null,
-        CacheInterface $cache = null,
-        HttpClientInterface $httpClient = null,
+        ?CacheInterface $cache = null,
+        ?HttpClientInterface $httpClient = null,
         protected ?bool $stable = false
     ) {
         $this->httpClient = $httpClient ?? HttpClient::create(['base_uri' => 'https://api.weixin.qq.com/']);
diff --git a/src/OfficialAccount/Server.php b/src/OfficialAccount/Server.php
index f6fcf6495..948c390c7 100644
--- a/src/OfficialAccount/Server.php
+++ b/src/OfficialAccount/Server.php
@@ -32,7 +32,7 @@ class Server implements ServerInterface
      * @throws Throwable
      */
     public function __construct(
-        ServerRequestInterface $request = null,
+        ?ServerRequestInterface $request = null,
         protected ?Encryptor $encryptor = null,
     ) {
         $this->request = $request ?? RequestUtil::createDefaultServerRequest();
@@ -122,7 +122,7 @@ protected function decryptRequestMessage(array $query): Closure
     /**
      * @throws BadRequestException
      */
-    public function getRequestMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
+    public function getRequestMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
     {
         return Message::createFromRequest($request ?? $this->request);
     }
@@ -131,7 +131,7 @@ public function getRequestMessage(ServerRequestInterface $request = null): \Easy
      * @throws BadRequestException
      * @throws RuntimeException
      */
-    public function getDecryptedMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
+    public function getDecryptedMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
     {
         $request = $request ?? $this->request;
         $message = $this->getRequestMessage($request);
diff --git a/src/OpenPlatform/ComponentAccessToken.php b/src/OpenPlatform/ComponentAccessToken.php
index eaa0cefbb..390efb05c 100644
--- a/src/OpenPlatform/ComponentAccessToken.php
+++ b/src/OpenPlatform/ComponentAccessToken.php
@@ -29,8 +29,8 @@ public function __construct(
         protected string $secret,
         protected VerifyTicketInterface $verifyTicket,
         protected ?string $key = null,
-        CacheInterface $cache = null,
-        HttpClientInterface $httpClient = null,
+        ?CacheInterface $cache = null,
+        ?HttpClientInterface $httpClient = null,
     ) {
         $this->httpClient = $httpClient ?? HttpClient::create(['base_uri' => 'https://api.weixin.qq.com/']);
         $this->cache = $cache ?? new Psr16Cache(new FilesystemAdapter(namespace: 'easywechat', defaultLifetime: 1500));
diff --git a/src/OpenPlatform/Server.php b/src/OpenPlatform/Server.php
index 45dba65b6..bc0616f5b 100644
--- a/src/OpenPlatform/Server.php
+++ b/src/OpenPlatform/Server.php
@@ -36,7 +36,7 @@ class Server implements ServerInterface
      */
     public function __construct(
         protected Encryptor $encryptor,
-        ServerRequestInterface $request = null,
+        ?ServerRequestInterface $request = null,
     ) {
         $this->request = $request ?? RequestUtil::createDefaultServerRequest();
     }
@@ -146,7 +146,7 @@ protected function decryptRequestMessage(): Closure
     /**
      * @throws BadRequestException
      */
-    public function getRequestMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
+    public function getRequestMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
     {
         return Message::createFromRequest($request ?? $this->request);
     }
@@ -155,7 +155,7 @@ public function getRequestMessage(ServerRequestInterface $request = null): \Easy
      * @throws BadRequestException
      * @throws RuntimeException
      */
-    public function getDecryptedMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
+    public function getDecryptedMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
     {
         $request = $request ?? $this->request;
         $message = $this->getRequestMessage($request);
diff --git a/src/OpenPlatform/VerifyTicket.php b/src/OpenPlatform/VerifyTicket.php
index 5692d7416..e97acf7be 100644
--- a/src/OpenPlatform/VerifyTicket.php
+++ b/src/OpenPlatform/VerifyTicket.php
@@ -21,7 +21,7 @@ class VerifyTicket implements VerifyTicketInterface
     public function __construct(
         protected string $appId,
         protected ?string $key = null,
-        CacheInterface $cache = null,
+        ?CacheInterface $cache = null,
     ) {
         $this->cache = $cache ?? new Psr16Cache(new FilesystemAdapter(namespace: 'easywechat', defaultLifetime: 1500));
     }
diff --git a/src/OpenWork/Application.php b/src/OpenWork/Application.php
index 9ccbe694e..7a713b01b 100644
--- a/src/OpenWork/Application.php
+++ b/src/OpenWork/Application.php
@@ -220,7 +220,7 @@ public function setSuiteTicket(SuiteTicketInterface $suiteTicket): SuiteTicketIn
     public function getAuthorization(
         string $corpId,
         string $permanentCode,
-        AccessTokenInterface $suiteAccessToken = null
+        ?AccessTokenInterface $suiteAccessToken = null
     ): Authorization {
         $suiteAccessToken = $suiteAccessToken ?? $this->getSuiteAccessToken();
 
@@ -252,7 +252,7 @@ public function getAuthorization(
     public function getAuthorizerAccessToken(
         string $corpId,
         string $permanentCode,
-        AccessTokenInterface $suiteAccessToken = null
+        ?AccessTokenInterface $suiteAccessToken = null
     ): AuthorizerAccessToken {
         $suiteAccessToken = $suiteAccessToken ?? $this->getSuiteAccessToken();
 
@@ -283,7 +283,7 @@ public function createClient(): AccessTokenAwareClient
      * @throws DecodingExceptionInterface
      * @throws ClientExceptionInterface
      */
-    public function getAuthorizerClient(string $corpId, string $permanentCode, AccessTokenInterface $suiteAccessToken = null): AccessTokenAwareClient
+    public function getAuthorizerClient(string $corpId, string $permanentCode, ?AccessTokenInterface $suiteAccessToken = null): AccessTokenAwareClient
     {
         return (new AccessTokenAwareClient(
             client: $this->getHttpClient(),
@@ -301,7 +301,7 @@ public function getAuthorizerClient(string $corpId, string $permanentCode, Acces
      * @throws DecodingExceptionInterface
      * @throws ClientExceptionInterface
      */
-    public function getJsApiTicket(string $corpId, string $permanentCode, AccessTokenInterface $suiteAccessToken = null): JsApiTicket
+    public function getJsApiTicket(string $corpId, string $permanentCode, ?AccessTokenInterface $suiteAccessToken = null): JsApiTicket
     {
         return new JsApiTicket(
             corpId: $corpId,
@@ -312,7 +312,7 @@ public function getJsApiTicket(string $corpId, string $permanentCode, AccessToke
 
     public function getOAuth(
         string $suiteId,
-        AccessTokenInterface $suiteAccessToken = null
+        ?AccessTokenInterface $suiteAccessToken = null
     ): SocialiteProviderInterface {
         $suiteAccessToken = $suiteAccessToken ?? $this->getSuiteAccessToken();
 
@@ -327,7 +327,7 @@ public function getOAuth(
 
     public function getCorpOAuth(
         string $corpId,
-        AccessTokenInterface $suiteAccessToken = null
+        ?AccessTokenInterface $suiteAccessToken = null
     ): SocialiteProviderInterface {
         $suiteAccessToken = $suiteAccessToken ?? $this->getSuiteAccessToken();
 
diff --git a/src/OpenWork/AuthorizerAccessToken.php b/src/OpenWork/AuthorizerAccessToken.php
index 229c9e56c..7818600a8 100644
--- a/src/OpenWork/AuthorizerAccessToken.php
+++ b/src/OpenWork/AuthorizerAccessToken.php
@@ -32,8 +32,8 @@ public function __construct(
         protected string $permanentCodeOrAccessToken,
         protected ?AccessTokenInterface $suiteAccessToken = null,
         protected ?string $key = null,
-        CacheInterface $cache = null,
-        HttpClientInterface $httpClient = null,
+        ?CacheInterface $cache = null,
+        ?HttpClientInterface $httpClient = null,
     ) {
         $this->httpClient = $httpClient ?? HttpClient::create(['base_uri' => 'https://qyapi.weixin.qq.com/']);
         $this->cache = $cache ?? new Psr16Cache(new FilesystemAdapter(namespace: 'easywechat', defaultLifetime: 1500));
diff --git a/src/OpenWork/JsApiTicket.php b/src/OpenWork/JsApiTicket.php
index 50ae2d381..492a12c62 100644
--- a/src/OpenWork/JsApiTicket.php
+++ b/src/OpenWork/JsApiTicket.php
@@ -30,8 +30,8 @@ class JsApiTicket
     public function __construct(
         protected string $corpId,
         protected ?string $key = null,
-        CacheInterface $cache = null,
-        HttpClientInterface $httpClient = null
+        ?CacheInterface $cache = null,
+        ?HttpClientInterface $httpClient = null
     ) {
         $this->httpClient = $httpClient ?? HttpClient::create(['base_uri' => 'https://qyapi.weixin.qq.com/']);
         $this->cache = $cache ?? new Psr16Cache(new FilesystemAdapter(namespace: 'easywechat', defaultLifetime: 1500));
diff --git a/src/OpenWork/ProviderAccessToken.php b/src/OpenWork/ProviderAccessToken.php
index 06de80d0b..f8b447777 100644
--- a/src/OpenWork/ProviderAccessToken.php
+++ b/src/OpenWork/ProviderAccessToken.php
@@ -27,8 +27,8 @@ public function __construct(
         protected string $corpId,
         protected string $providerSecret,
         protected ?string $key = null,
-        CacheInterface $cache = null,
-        HttpClientInterface $httpClient = null,
+        ?CacheInterface $cache = null,
+        ?HttpClientInterface $httpClient = null,
     ) {
         $this->httpClient = $httpClient ?? HttpClient::create(['base_uri' => 'https://qyapi.weixin.qq.com/']);
         $this->cache = $cache ?? new Psr16Cache(new FilesystemAdapter(namespace: 'easywechat', defaultLifetime: 1500));
diff --git a/src/OpenWork/Server.php b/src/OpenWork/Server.php
index 3a8f7f9b3..db0ede39f 100644
--- a/src/OpenWork/Server.php
+++ b/src/OpenWork/Server.php
@@ -37,7 +37,7 @@ class Server implements ServerInterface
     public function __construct(
         protected Encryptor $encryptor,
         protected Encryptor $providerEncryptor,
-        ServerRequestInterface $request = null,
+        ?ServerRequestInterface $request = null,
     ) {
         $this->request = $request ?? RequestUtil::createDefaultServerRequest();
     }
@@ -261,7 +261,7 @@ protected function decryptRequestMessage(): Closure
     /**
      * @throws BadRequestException
      */
-    public function getRequestMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
+    public function getRequestMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
     {
         return Message::createFromRequest($request ?? $this->request);
     }
@@ -270,7 +270,7 @@ public function getRequestMessage(ServerRequestInterface $request = null): \Easy
      * @throws BadRequestException
      * @throws RuntimeException
      */
-    public function getDecryptedMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
+    public function getDecryptedMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
     {
         $request = $request ?? $this->request;
         $message = $this->getRequestMessage($request);
diff --git a/src/OpenWork/SuiteAccessToken.php b/src/OpenWork/SuiteAccessToken.php
index 1735b94b2..4065ae863 100644
--- a/src/OpenWork/SuiteAccessToken.php
+++ b/src/OpenWork/SuiteAccessToken.php
@@ -31,8 +31,8 @@ public function __construct(
         protected string $suiteSecret,
         protected ?SuiteTicketInterface $suiteTicket = null,
         protected ?string $key = null,
-        CacheInterface $cache = null,
-        HttpClientInterface $httpClient = null,
+        ?CacheInterface $cache = null,
+        ?HttpClientInterface $httpClient = null,
     ) {
         $this->httpClient = $httpClient ?? HttpClient::create(['base_uri' => 'https://qyapi.weixin.qq.com/']);
         $this->cache = $cache ?? new Psr16Cache(new FilesystemAdapter(namespace: 'easywechat', defaultLifetime: 1500));
diff --git a/src/OpenWork/SuiteTicket.php b/src/OpenWork/SuiteTicket.php
index 7cdaff346..467b5b508 100644
--- a/src/OpenWork/SuiteTicket.php
+++ b/src/OpenWork/SuiteTicket.php
@@ -20,7 +20,7 @@ class SuiteTicket implements SuiteTicketInterface
 
     public function __construct(
         protected string $suiteId,
-        CacheInterface $cache = null,
+        ?CacheInterface $cache = null,
         protected ?string $key = null,
     ) {
         $this->cache = $cache ?? new Psr16Cache(new FilesystemAdapter(namespace: 'easywechat', defaultLifetime: 1500));
diff --git a/src/Pay/Client.php b/src/Pay/Client.php
index 13352faee..914658d88 100644
--- a/src/Pay/Client.php
+++ b/src/Pay/Client.php
@@ -78,7 +78,7 @@ class Client implements HttpClientInterface
      */
     public function __construct(
         protected Merchant $merchant,
-        HttpClientInterface $client = null,
+        ?HttpClientInterface $client = null,
         array $defaultOptions = []
     ) {
         $this->throw = (bool) ($defaultOptions['throw'] ?? true);
@@ -182,7 +182,7 @@ public function __call(string $name, array $arguments): mixed
      * @throws \Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface
      * @throws \EasyWeChat\Kernel\Exceptions\RuntimeException
      */
-    public function uploadMedia(string $uri, string $pathOrContents, array $meta = null, string $filename = null): ResponseInterface
+    public function uploadMedia(string $uri, string $pathOrContents, ?array $meta = null, ?string $filename = null): ResponseInterface
     {
         $isFile = is_file($pathOrContents);
 
diff --git a/src/Pay/Server.php b/src/Pay/Server.php
index 5e02d8b70..4aacbe63f 100644
--- a/src/Pay/Server.php
+++ b/src/Pay/Server.php
@@ -111,7 +111,7 @@ public function handleRefunded(callable $handler): static
      * @throws InvalidArgumentException
      * @throws RuntimeException
      */
-    public function getRequestMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message|Message
+    public function getRequestMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message|Message
     {
         $originContent = (string) ($request ?? $this->request)->getBody();
 
@@ -189,7 +189,7 @@ protected function decodeJsonMessage(string $contents): array
      * @throws InvalidArgumentException
      * @throws RuntimeException
      */
-    public function getDecryptedMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message|Message
+    public function getDecryptedMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message|Message
     {
         return $this->getRequestMessage($request);
     }
diff --git a/src/Work/AccessToken.php b/src/Work/AccessToken.php
index 760885e97..26597be49 100644
--- a/src/Work/AccessToken.php
+++ b/src/Work/AccessToken.php
@@ -36,8 +36,8 @@ public function __construct(
         protected string $corpId,
         protected string $secret,
         protected ?string $key = null,
-        CacheInterface $cache = null,
-        HttpClientInterface $httpClient = null
+        ?CacheInterface $cache = null,
+        ?HttpClientInterface $httpClient = null
     ) {
         $this->httpClient = $httpClient ?? HttpClient::create(['base_uri' => 'https://qyapi.weixin.qq.com/']);
         $this->cache = $cache ?? new Psr16Cache(new FilesystemAdapter(namespace: 'easywechat', defaultLifetime: 1500));
diff --git a/src/Work/JsApiTicket.php b/src/Work/JsApiTicket.php
index f68bb4cd4..313cba7e0 100644
--- a/src/Work/JsApiTicket.php
+++ b/src/Work/JsApiTicket.php
@@ -31,8 +31,8 @@ class JsApiTicket
     public function __construct(
         protected string $corpId,
         protected ?string $key = null,
-        CacheInterface $cache = null,
-        HttpClientInterface $httpClient = null
+        ?CacheInterface $cache = null,
+        ?HttpClientInterface $httpClient = null
     ) {
         $this->httpClient = $httpClient ?? HttpClient::create(['base_uri' => 'https://qyapi.weixin.qq.com/']);
         $this->cache = $cache ?? new Psr16Cache(new FilesystemAdapter(namespace: 'easywechat', defaultLifetime: 1500));
diff --git a/src/Work/Server.php b/src/Work/Server.php
index 1394dc588..ee9f29efc 100644
--- a/src/Work/Server.php
+++ b/src/Work/Server.php
@@ -33,7 +33,7 @@ class Server implements ServerInterface
      */
     public function __construct(
         protected Encryptor $encryptor,
-        ServerRequestInterface $request = null,
+        ?ServerRequestInterface $request = null,
     ) {
         $this->request = $request ?? RequestUtil::createDefaultServerRequest();
     }
@@ -261,7 +261,7 @@ protected function decryptRequestMessage(): Closure
     /**
      * @throws BadRequestException
      */
-    public function getRequestMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
+    public function getRequestMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
     {
         return Message::createFromRequest($request ?? $this->request);
     }
@@ -270,7 +270,7 @@ public function getRequestMessage(ServerRequestInterface $request = null): \Easy
      * @throws BadRequestException
      * @throws RuntimeException
      */
-    public function getDecryptedMessage(ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
+    public function getDecryptedMessage(?ServerRequestInterface $request = null): \EasyWeChat\Kernel\Message
     {
         $request = $request ?? $this->request;
         $message = $this->getRequestMessage($request);