diff --git a/.gitignore b/.gitignore
index a1372b3..c9b5c4b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ composer.lock
 .subsplit
 .php_cs.cache
 .php-cs-fixer.cache
+.pint.cache
 .idea
 /index.php
 /config.php
diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
deleted file mode 100644
index 27db30d..0000000
--- a/.php-cs-fixer.dist.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-return (new PhpCsFixer\Config())
-    ->setRules([
-        '@Symfony' => true,
-    ])
-    ->setFinder(
-        PhpCsFixer\Finder::create()
-            ->exclude('vendor')
-            ->in([__DIR__.'/src/', __DIR__.'/tests/'])
-    )
-;
diff --git a/composer.json b/composer.json
index dd8cfa7..d27030a 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         "phpunit/phpunit": "^9.5.8",
         "mockery/mockery": "^1.4.2",
         "jetbrains/phpstorm-attributes": "^1.0",
-        "friendsofphp/php-cs-fixer": "^3.54"
+        "laravel/pint": "^1.0"
     },
     "autoload": {
         "psr-4": {
@@ -33,8 +33,9 @@
     ],
     "scripts": {
         "phpstan": "phpstan analyse",
-        "check-style": "php-cs-fixer fix --using-cache=no --diff --config=.php-cs-fixer.dist.php --dry-run --allow-risky=yes --ansi",
-        "fix-style": "php-cs-fixer fix --using-cache=no --config=.php-cs-fixer.dist.php --allow-risky=yes --ansi",
+        "check-style": "pint --test",
+        "fix-style": "pint",
+        "fix": "pint",
         "test": "phpunit --colors",
         "psalm": "psalm --show-info=true --no-cache",
         "psalm-fix": "psalm --no-cache --alter --issues=MissingReturnType,MissingParamType"
diff --git a/pint.json b/pint.json
new file mode 100644
index 0000000..93061b6
--- /dev/null
+++ b/pint.json
@@ -0,0 +1,3 @@
+{
+    "preset": "laravel"
+}
diff --git a/src/EasySms.php b/src/EasySms.php
index d927834..8adf754 100644
--- a/src/EasySms.php
+++ b/src/EasySms.php
@@ -73,7 +73,7 @@ public function send(array|string $to, MessageInterface|array $message, array $g
      */
     public function gateway(?string $name): GatewayInterface
     {
-        if (!isset($this->gateways[$name])) {
+        if (! isset($this->gateways[$name])) {
             $this->gateways[$name] = $this->createGateway($name);
         }
 
@@ -91,15 +91,15 @@ public function strategy(?string $strategy = null): StrategyInterface
             $strategy = $this->config->get('default.strategy', OrderStrategy::class);
         }
 
-        if (!\class_exists($strategy)) {
-            $strategy = __NAMESPACE__ . '\Strategies\\' . \ucfirst($strategy);
+        if (! \class_exists($strategy)) {
+            $strategy = __NAMESPACE__.'\Strategies\\'.\ucfirst($strategy);
         }
 
-        if (!\class_exists($strategy)) {
+        if (! \class_exists($strategy)) {
             throw new InvalidArgumentException("Unsupported strategy \"{$strategy}\"");
         }
 
-        if (empty($this->strategies[$strategy]) || !($this->strategies[$strategy] instanceof StrategyInterface)) {
+        if (empty($this->strategies[$strategy]) || ! ($this->strategies[$strategy] instanceof StrategyInterface)) {
             $this->strategies[$strategy] = new $strategy($this);
         }
 
@@ -138,7 +138,7 @@ protected function createGateway(string $name): GatewayInterface
     {
         $config = $this->config->get("gateways.{$name}", []);
 
-        if (!isset($config['timeout'])) {
+        if (! isset($config['timeout'])) {
             $config['timeout'] = $this->config->get('timeout', Gateway::DEFAULT_TIMEOUT);
         }
 
@@ -151,7 +151,7 @@ protected function createGateway(string $name): GatewayInterface
             $gateway = $this->makeGateway($className, $config);
         }
 
-        if (!($gateway instanceof GatewayInterface)) {
+        if (! ($gateway instanceof GatewayInterface)) {
             throw new InvalidArgumentException(\sprintf('Gateway "%s" must implement interface %s.', $name, GatewayInterface::class));
         }
 
@@ -165,7 +165,7 @@ protected function createGateway(string $name): GatewayInterface
      */
     protected function makeGateway(string $gateway, array $config): GatewayInterface
     {
-        if (!\class_exists($gateway) || !\in_array(GatewayInterface::class, \class_implements($gateway))) {
+        if (! \class_exists($gateway) || ! \in_array(GatewayInterface::class, \class_implements($gateway))) {
             throw new InvalidArgumentException(\sprintf('Class "%s" is a invalid easy-sms gateway.', $gateway));
         }
 
@@ -183,7 +183,7 @@ protected function formatGatewayClassName(string $name): string
 
         $name = \ucfirst(\str_replace(['-', '_', ''], '', $name));
 
-        return __NAMESPACE__ . "\\Gateways\\{$name}Gateway";
+        return __NAMESPACE__."\\Gateways\\{$name}Gateway";
     }
 
     /**
@@ -205,10 +205,10 @@ protected function formatPhoneNumber(PhoneNumberInterface|string $number): Phone
 
     protected function formatMessage(MessageInterface|array|string $message): MessageInterface
     {
-        if (!($message instanceof MessageInterface)) {
-            if (!\is_array($message)) {
+        if (! ($message instanceof MessageInterface)) {
+            if (! \is_array($message)) {
                 $message = [
-                    'content'  => $message,
+                    'content' => $message,
                     'template' => $message,
                 ];
             }
@@ -235,7 +235,7 @@ protected function formatGateways(array $gateways): array
             $formatted[$gateway] = $setting;
             $globalSettings = $this->config->get("gateways.{$gateway}", []);
 
-            if (\is_string($gateway) && !empty($globalSettings) && \is_array($setting)) {
+            if (\is_string($gateway) && ! empty($globalSettings) && \is_array($setting)) {
                 $formatted[$gateway] = new Config(\array_merge($globalSettings, $setting));
             }
         }
@@ -248,4 +248,4 @@ protected function formatGateways(array $gateways): array
 
         return $result;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Exceptions/Exception.php b/src/Exceptions/Exception.php
index 079d415..e74378f 100644
--- a/src/Exceptions/Exception.php
+++ b/src/Exceptions/Exception.php
@@ -16,6 +16,4 @@
  *
  * @author overtrue <i@overtrue.me>
  */
-class Exception extends \Exception
-{
-}
+class Exception extends \Exception {}
diff --git a/src/Exceptions/GatewayErrorException.php b/src/Exceptions/GatewayErrorException.php
index 084aec5..2da718f 100644
--- a/src/Exceptions/GatewayErrorException.php
+++ b/src/Exceptions/GatewayErrorException.php
@@ -24,8 +24,8 @@ class GatewayErrorException extends Exception
     /**
      * GatewayErrorException constructor.
      *
-     * @param string $message
-     * @param int    $code
+     * @param  string  $message
+     * @param  int  $code
      */
     public function __construct($message, $code, array $raw = [])
     {
diff --git a/src/Exceptions/InvalidArgumentException.php b/src/Exceptions/InvalidArgumentException.php
index c2be998..6f04363 100644
--- a/src/Exceptions/InvalidArgumentException.php
+++ b/src/Exceptions/InvalidArgumentException.php
@@ -14,6 +14,4 @@
 /**
  * Class InvalidArgumentException.
  */
-class InvalidArgumentException extends Exception
-{
-}
+class InvalidArgumentException extends Exception {}
diff --git a/src/Exceptions/NoGatewayAvailableException.php b/src/Exceptions/NoGatewayAvailableException.php
index edc1622..98dd7d2 100644
--- a/src/Exceptions/NoGatewayAvailableException.php
+++ b/src/Exceptions/NoGatewayAvailableException.php
@@ -31,7 +31,7 @@ class NoGatewayAvailableException extends Exception
     /**
      * NoGatewayAvailableException constructor.
      *
-     * @param int $code
+     * @param  int  $code
      */
     public function __construct(array $results = [], $code = 0, ?\Throwable $previous = null)
     {
@@ -50,8 +50,7 @@ public function getResults()
     }
 
     /**
-     * @param string $gateway
-     *
+     * @param  string  $gateway
      * @return mixed|null
      */
     public function getException($gateway)
diff --git a/src/Gateways/AliyunGateway.php b/src/Gateways/AliyunGateway.php
index cece11c..7c15838 100644
--- a/src/Gateways/AliyunGateway.php
+++ b/src/Gateways/AliyunGateway.php
@@ -51,7 +51,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     {
         $data = $message->getData($this);
 
-        $signName = !empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name');
+        $signName = ! empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name');
 
         unset($data['sign_name']);
 
@@ -65,7 +65,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'Timestamp' => gmdate('Y-m-d\TH:i:s\Z'),
             'Action' => self::ENDPOINT_METHOD,
             'Version' => self::ENDPOINT_VERSION,
-            'PhoneNumbers' => !\is_null($to->getIDDCode()) ? strval($to->getZeroPrefixedNumber()) : $to->getNumber(),
+            'PhoneNumbers' => ! \is_null($to->getIDDCode()) ? strval($to->getZeroPrefixedNumber()) : $to->getNumber(),
             'SignName' => $signName,
             'TemplateCode' => $message->getTemplate($this),
             'TemplateParam' => json_encode($data, JSON_FORCE_OBJECT),
@@ -75,7 +75,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->get(self::ENDPOINT_URL, $params);
 
-        if (!empty($result['Code']) && 'OK' != $result['Code']) {
+        if (! empty($result['Code']) && $result['Code'] != 'OK') {
             throw new GatewayErrorException($result['Message'], $result['Code'], $result);
         }
 
@@ -85,8 +85,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Generate Sign.
      *
-     * @param array $params
-     *
+     * @param  array  $params
      * @return string
      *
      * @see https://help.aliyun.com/document_detail/101343.html
diff --git a/src/Gateways/AliyunIntlGateway.php b/src/Gateways/AliyunIntlGateway.php
index fd90eae..37913fb 100644
--- a/src/Gateways/AliyunIntlGateway.php
+++ b/src/Gateways/AliyunIntlGateway.php
@@ -40,7 +40,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     {
         $data = $message->getData($this);
 
-        $signName = !empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name');
+        $signName = ! empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name');
 
         unset($data['sign_name']);
 
@@ -53,7 +53,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'SignatureNonce' => uniqid('', true),
             'Timestamp' => gmdate('Y-m-d\TH:i:s\Z'),
             'Version' => self::ENDPOINT_VERSION,
-            'To' => !\is_null($to->getIDDCode()) ? (int) $to->getZeroPrefixedNumber() : $to->getNumber(),
+            'To' => ! \is_null($to->getIDDCode()) ? (int) $to->getZeroPrefixedNumber() : $to->getNumber(),
             'Action' => self::ENDPOINT_ACTION,
             'From' => $signName,
             'TemplateCode' => $message->getTemplate($this),
@@ -64,7 +64,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->get(self::ENDPOINT_URL, $params);
 
-        if ('OK' !== $result['ResponseCode']) {
+        if ($result['ResponseCode'] !== 'OK') {
             throw new GatewayErrorException($result['ResponseDescription'], $result['ResponseCode'], $result);
         }
 
diff --git a/src/Gateways/AliyunrestGateway.php b/src/Gateways/AliyunrestGateway.php
index b4dfb6d..0c6020e 100644
--- a/src/Gateways/AliyunrestGateway.php
+++ b/src/Gateways/AliyunrestGateway.php
@@ -56,14 +56,14 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'sms_type' => 'normal',
             'sms_free_sign_name' => $config->get('sign_name'),
             'sms_param' => json_encode($message->getData($this)),
-            'rec_num' => !\is_null($to->getIDDCode()) ? strval($to->getZeroPrefixedNumber()) : $to->getNumber(),
+            'rec_num' => ! \is_null($to->getIDDCode()) ? strval($to->getZeroPrefixedNumber()) : $to->getNumber(),
             'sms_template_code' => $message->getTemplate($this),
         ];
         $urlParams['sign'] = $this->generateSign(array_merge($params, $urlParams));
 
         $result = $this->post($this->getEndpointUrl($urlParams), $params);
 
-        if (isset($result['error_response']) && 0 != $result['error_response']['code']) {
+        if (isset($result['error_response']) && $result['error_response']['code'] != 0) {
             throw new GatewayErrorException($result['error_response']['msg'], $result['error_response']['code'], $result);
         }
 
@@ -71,8 +71,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     }
 
     /**
-     * @param array $params
-     *
+     * @param  array  $params
      * @return string
      */
     protected function getEndpointUrl($params)
@@ -81,8 +80,7 @@ protected function getEndpointUrl($params)
     }
 
     /**
-     * @param array $params
-     *
+     * @param  array  $params
      * @return string
      */
     protected function generateSign($params)
@@ -91,7 +89,7 @@ protected function generateSign($params)
 
         $stringToBeSigned = $this->config->get('app_secret_key');
         foreach ($params as $k => $v) {
-            if (!is_array($v) && '@' != substr($v, 0, 1)) {
+            if (! is_array($v) && substr($v, 0, 1) != '@') {
                 $stringToBeSigned .= "$k$v";
             }
         }
diff --git a/src/Gateways/BaiduGateway.php b/src/Gateways/BaiduGateway.php
index af7378a..2b34de2 100644
--- a/src/Gateways/BaiduGateway.php
+++ b/src/Gateways/BaiduGateway.php
@@ -51,12 +51,12 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'template' => $message->getTemplate($this),
             'contentVar' => $message->getData($this),
         ];
-        if (!empty($params['contentVar']['custom'])) {
+        if (! empty($params['contentVar']['custom'])) {
             // 用户自定义参数，格式为字符串，状态回调时会回传该值
             $params['custom'] = $params['contentVar']['custom'];
             unset($params['contentVar']['custom']);
         }
-        if (!empty($params['contentVar']['userExtId'])) {
+        if (! empty($params['contentVar']['userExtId'])) {
             // 通道自定义扩展码，上行回调时会回传该值，其格式为纯数字串。默认为不开通，请求时无需设置该参数。如需开通请联系客服申请
             $params['userExtId'] = $params['contentVar']['userExtId'];
             unset($params['contentVar']['userExtId']);
@@ -76,7 +76,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->request('post', self::buildEndpoint($config), ['headers' => $headers, 'json' => $params]);
 
-        if (self::SUCCESS_CODE != $result['code']) {
+        if ($result['code'] != self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['message'], $result['code'], $result);
         }
 
@@ -96,8 +96,7 @@ protected function buildEndpoint(Config $config)
     /**
      * Generate Authorization header.
      *
-     * @param int $datetime
-     *
+     * @param  int  $datetime
      * @return string
      */
     protected function generateSign(array $signHeaders, $datetime, Config $config)
diff --git a/src/Gateways/ChuanglanGateway.php b/src/Gateways/ChuanglanGateway.php
index 0a7fafb..7afe979 100644
--- a/src/Gateways/ChuanglanGateway.php
+++ b/src/Gateways/ChuanglanGateway.php
@@ -55,7 +55,7 @@ class ChuanglanGateway extends Gateway
      */
     public function send(PhoneNumberInterface $to, MessageInterface $message, Config $config)
     {
-        $IDDCode = !empty($to->getIDDCode()) ? $to->getIDDCode() : 86;
+        $IDDCode = ! empty($to->getIDDCode()) ? $to->getIDDCode() : 86;
 
         $params = [
             'account' => $config->get('account'),
@@ -64,7 +64,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'msg' => $this->wrapChannelContent($message->getContent($this), $config, $IDDCode),
         ];
 
-        if (86 != $IDDCode) {
+        if ($IDDCode != 86) {
             $params['mobile'] = $to->getIDDCode().$to->getNumber();
             $params['account'] = $config->get('intel_account') ?: $config->get('account');
             $params['password'] = $config->get('intel_password') ?: $config->get('password');
@@ -72,7 +72,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->postJson($this->buildEndpoint($config, $IDDCode), $params);
 
-        if (!isset($result['code']) || '0' != $result['code']) {
+        if (! isset($result['code']) || $result['code'] != '0') {
             throw new GatewayErrorException(json_encode($result, JSON_UNESCAPED_UNICODE), isset($result['code']) ? $result['code'] : 0, $result);
         }
 
@@ -80,8 +80,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     }
 
     /**
-     * @param int $IDDCode
-     *
+     * @param  int  $IDDCode
      * @return string
      *
      * @throws InvalidArgumentException
@@ -90,7 +89,7 @@ protected function buildEndpoint(Config $config, $IDDCode = 86)
     {
         $channel = $this->getChannel($config, $IDDCode);
 
-        if (self::INT_URL === $channel) {
+        if ($channel === self::INT_URL) {
             return $channel;
         }
 
@@ -98,18 +97,18 @@ protected function buildEndpoint(Config $config, $IDDCode = 86)
     }
 
     /**
-     * @param int $IDDCode
+     * @param  int  $IDDCode
      *
      * @throws InvalidArgumentException
      */
     protected function getChannel(Config $config, $IDDCode)
     {
-        if (86 != $IDDCode) {
+        if ($IDDCode != 86) {
             return self::INT_URL;
         }
         $channel = $config->get('channel', self::CHANNEL_VALIDATE_CODE);
 
-        if (!in_array($channel, [self::CHANNEL_VALIDATE_CODE, self::CHANNEL_PROMOTION_CODE])) {
+        if (! in_array($channel, [self::CHANNEL_VALIDATE_CODE, self::CHANNEL_PROMOTION_CODE])) {
             throw new InvalidArgumentException('Invalid channel for ChuanglanGateway.');
         }
 
@@ -117,9 +116,8 @@ protected function getChannel(Config $config, $IDDCode)
     }
 
     /**
-     * @param string $content
-     * @param int    $IDDCode
-     *
+     * @param  string  $content
+     * @param  int  $IDDCode
      * @return string|string
      *
      * @throws InvalidArgumentException
@@ -128,7 +126,7 @@ protected function wrapChannelContent($content, Config $config, $IDDCode)
     {
         $channel = $this->getChannel($config, $IDDCode);
 
-        if (self::CHANNEL_PROMOTION_CODE == $channel) {
+        if ($channel == self::CHANNEL_PROMOTION_CODE) {
             $sign = (string) $config->get('sign', '');
             if (empty($sign)) {
                 throw new InvalidArgumentException('Invalid sign for ChuanglanGateway when using promotion channel');
diff --git a/src/Gateways/Chuanglanv1Gateway.php b/src/Gateways/Chuanglanv1Gateway.php
index a89bcf9..9df5eb2 100644
--- a/src/Gateways/Chuanglanv1Gateway.php
+++ b/src/Gateways/Chuanglanv1Gateway.php
@@ -55,7 +55,7 @@ class Chuanglanv1Gateway extends Gateway
      */
     public function send(PhoneNumberInterface $to, MessageInterface $message, Config $config)
     {
-        $IDDCode = !empty($to->getIDDCode()) ? $to->getIDDCode() : 86;
+        $IDDCode = ! empty($to->getIDDCode()) ? $to->getIDDCode() : 86;
 
         $params = [
             'account' => $config->get('account'),
@@ -63,13 +63,13 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'report' => $config->get('needstatus') ?? false,
         ];
 
-        if (86 != $IDDCode) {
+        if ($IDDCode != 86) {
             $params['mobile'] = $to->getIDDCode().$to->getNumber();
             $params['account'] = $config->get('intel_account') ?: $config->get('account');
             $params['password'] = $config->get('intel_password') ?: $config->get('password');
         }
 
-        if (self::CHANNEL_VARIABLE_CODE == $this->getChannel($config, $IDDCode)) {
+        if ($this->getChannel($config, $IDDCode) == self::CHANNEL_VARIABLE_CODE) {
             $params['params'] = $message->getData($this);
             $params['msg'] = $this->wrapChannelContent($message->getTemplate($this), $config, $IDDCode);
         } else {
@@ -79,7 +79,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->postJson($this->buildEndpoint($config, $IDDCode), $params);
 
-        if (!isset($result['code']) || '0' != $result['code']) {
+        if (! isset($result['code']) || $result['code'] != '0') {
             throw new GatewayErrorException(json_encode($result, JSON_UNESCAPED_UNICODE), isset($result['code']) ? $result['code'] : 0, $result);
         }
 
@@ -87,8 +87,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     }
 
     /**
-     * @param int $IDDCode
-     *
+     * @param  int  $IDDCode
      * @return string
      *
      * @throws InvalidArgumentException
@@ -97,7 +96,7 @@ protected function buildEndpoint(Config $config, $IDDCode = 86)
     {
         $channel = $this->getChannel($config, $IDDCode);
 
-        if (self::INT_URL === $channel) {
+        if ($channel === self::INT_URL) {
             return $channel;
         }
 
@@ -105,18 +104,18 @@ protected function buildEndpoint(Config $config, $IDDCode = 86)
     }
 
     /**
-     * @param int $IDDCode
+     * @param  int  $IDDCode
      *
      * @throws InvalidArgumentException
      */
     protected function getChannel(Config $config, $IDDCode)
     {
-        if (86 != $IDDCode) {
+        if ($IDDCode != 86) {
             return self::INT_URL;
         }
         $channel = $config->get('channel', self::CHANNEL_NORMAL_CODE);
 
-        if (!in_array($channel, [self::CHANNEL_NORMAL_CODE, self::CHANNEL_VARIABLE_CODE])) {
+        if (! in_array($channel, [self::CHANNEL_NORMAL_CODE, self::CHANNEL_VARIABLE_CODE])) {
             throw new InvalidArgumentException('Invalid channel for ChuanglanGateway.');
         }
 
@@ -124,9 +123,8 @@ protected function getChannel(Config $config, $IDDCode)
     }
 
     /**
-     * @param string $content
-     * @param int    $IDDCode
-     *
+     * @param  string  $content
+     * @param  int  $IDDCode
      * @return string|string
      *
      * @throws InvalidArgumentException
diff --git a/src/Gateways/CtyunGateway.php b/src/Gateways/CtyunGateway.php
index 7272c09..52f40be 100644
--- a/src/Gateways/CtyunGateway.php
+++ b/src/Gateways/CtyunGateway.php
@@ -69,7 +69,7 @@ protected function execute(string $url, array $data)
         $headers['eop-date'] = $time;
 
         $result = $this->postJson($url, $data, $headers);
-        if (self::SUCCESS_CODE !== $result['code']) {
+        if ($result['code'] !== self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['message'], $result['code'], $result);
         }
 
diff --git a/src/Gateways/Gateway.php b/src/Gateways/Gateway.php
index 3c7ae90..7870d5e 100644
--- a/src/Gateways/Gateway.php
+++ b/src/Gateways/Gateway.php
@@ -57,8 +57,7 @@ public function getTimeout()
     /**
      * Set timeout.
      *
-     * @param int $timeout
-     *
+     * @param  int  $timeout
      * @return $this
      */
     public function setTimeout($timeout)
diff --git a/src/Gateways/HuaweiGateway.php b/src/Gateways/HuaweiGateway.php
index 8132065..3d9b504 100644
--- a/src/Gateways/HuaweiGateway.php
+++ b/src/Gateways/HuaweiGateway.php
@@ -81,7 +81,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             $result = $this->unwrapResponse($e->getResponse());
         }
 
-        if (self::SUCCESS_CODE != $result['code']) {
+        if ($result['code'] != self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['description'], ltrim($result['code'], 'E'), $result);
         }
 
@@ -103,9 +103,8 @@ protected function getEndpoint(Config $config)
     /**
      * 获取请求 Headers 参数.
      *
-     * @param string $appKey
-     * @param string $appSecret
-     *
+     * @param  string  $appKey
+     * @param  string  $appSecret
      * @return array
      */
     protected function getHeaders($appKey, $appSecret)
@@ -120,9 +119,8 @@ protected function getHeaders($appKey, $appSecret)
     /**
      * 构造X-WSSE参数值
      *
-     * @param string $appKey
-     * @param string $appSecret
-     *
+     * @param  string  $appKey
+     * @param  string  $appSecret
      * @return string
      */
     protected function buildWsseHeader($appKey, $appSecret)
diff --git a/src/Gateways/HuaxinGateway.php b/src/Gateways/HuaxinGateway.php
index 7e1ade1..a6f819c 100644
--- a/src/Gateways/HuaxinGateway.php
+++ b/src/Gateways/HuaxinGateway.php
@@ -48,7 +48,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'extno' => $config->get('ext_no'),
         ]);
 
-        if ('Success' !== $result['returnstatus']) {
+        if ($result['returnstatus'] !== 'Success') {
             throw new GatewayErrorException($result['message'], 400, $result);
         }
 
@@ -58,8 +58,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Build endpoint url.
      *
-     * @param string $ip
-     *
+     * @param  string  $ip
      * @return string
      */
     protected function buildEndpoint($ip)
diff --git a/src/Gateways/HuyiGateway.php b/src/Gateways/HuyiGateway.php
index f48e210..96b4708 100644
--- a/src/Gateways/HuyiGateway.php
+++ b/src/Gateways/HuyiGateway.php
@@ -52,7 +52,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->post(self::ENDPOINT_URL, $params);
 
-        if (self::SUCCESS_CODE != $result['code']) {
+        if ($result['code'] != self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['msg'], $result['code'], $result);
         }
 
@@ -62,8 +62,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Generate Sign.
      *
-     * @param array $params
-     *
+     * @param  array  $params
      * @return string
      */
     protected function generateSign($params)
diff --git a/src/Gateways/KingttoGateway.php b/src/Gateways/KingttoGateway.php
index e0fa429..425db10 100644
--- a/src/Gateways/KingttoGateway.php
+++ b/src/Gateways/KingttoGateway.php
@@ -48,7 +48,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->post(self::ENDPOINT_URL, $params);
 
-        if ('Success' != $result['returnstatus']) {
+        if ($result['returnstatus'] != 'Success') {
             throw new GatewayErrorException($result['message'], $result['remainpoint'], $result);
         }
 
diff --git a/src/Gateways/LuosimaoGateway.php b/src/Gateways/LuosimaoGateway.php
index 9ce6693..f9bfdc6 100644
--- a/src/Gateways/LuosimaoGateway.php
+++ b/src/Gateways/LuosimaoGateway.php
@@ -58,9 +58,8 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Build endpoint url.
      *
-     * @param string $type
-     * @param string $function
-     *
+     * @param  string  $type
+     * @param  string  $function
      * @return string
      */
     protected function buildEndpoint($type, $function)
diff --git a/src/Gateways/MaapGateway.php b/src/Gateways/MaapGateway.php
index a00a921..292baf6 100644
--- a/src/Gateways/MaapGateway.php
+++ b/src/Gateways/MaapGateway.php
@@ -48,7 +48,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->postJson(self::ENDPOINT_URL, $params);
 
-        if (0 != $result['resultcode']) {
+        if ($result['resultcode'] != 0) {
             throw new GatewayErrorException($result['resultmsg'], $result['resultcode'], $result);
         }
 
@@ -58,9 +58,8 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Generate Sign.
      *
-     * @param array  $params
-     * @param string $key    签名Key
-     *
+     * @param  array  $params
+     * @param  string  $key  签名Key
      * @return string
      */
     protected function generateSign($params, $key)
diff --git a/src/Gateways/ModuyunGateway.php b/src/Gateways/ModuyunGateway.php
index 296fbf2..f96687e 100644
--- a/src/Gateways/ModuyunGateway.php
+++ b/src/Gateways/ModuyunGateway.php
@@ -57,7 +57,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->postJson($this->getEndpointUrl($urlParams), $params);
         $result = is_string($result) ? json_decode($result, true) : $result;
-        if (0 != $result['result']) {
+        if ($result['result'] != 0) {
             throw new GatewayErrorException($result['errmsg'], $result['result'], $result);
         }
 
@@ -65,8 +65,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     }
 
     /**
-     * @param array $params
-     *
+     * @param  array  $params
      * @return string
      */
     protected function getEndpointUrl($params)
@@ -77,9 +76,8 @@ protected function getEndpointUrl($params)
     /**
      * Generate Sign.
      *
-     * @param array  $params
-     * @param string $random
-     *
+     * @param  array  $params
+     * @param  string  $random
      * @return string
      */
     protected function generateSign($params, $random)
diff --git a/src/Gateways/NowcnGateway.php b/src/Gateways/NowcnGateway.php
index 06041ba..208a127 100644
--- a/src/Gateways/NowcnGateway.php
+++ b/src/Gateways/NowcnGateway.php
@@ -18,7 +18,7 @@ class NowcnGateway extends Gateway
 
     public function send(PhoneNumberInterface $to, MessageInterface $message, Config $config)
     {
-        if (!$config->get('key')) {
+        if (! $config->get('key')) {
             throw new GatewayErrorException('key not found', -2, []);
         }
         $params = [
@@ -30,7 +30,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
         ];
         $result = $this->get(self::ENDPOINT_URL, $params);
         $result = is_string($result) ? json_decode($result, true) : $result;
-        if (self::SUCCESS_CODE != $result['code']) {
+        if ($result['code'] != self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['msg'], $result['code'], $result);
         }
 
diff --git a/src/Gateways/QcloudGateway.php b/src/Gateways/QcloudGateway.php
index 3af2686..530059f 100644
--- a/src/Gateways/QcloudGateway.php
+++ b/src/Gateways/QcloudGateway.php
@@ -48,11 +48,11 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     {
         $data = $message->getData($this);
 
-        $signName = !empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name', '');
+        $signName = ! empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name', '');
 
         unset($data['sign_name']);
 
-        $phone = !\is_null($to->getIDDCode()) ? strval($to->getUniversalNumber()) : $to->getNumber();
+        $phone = ! \is_null($to->getIDDCode()) ? strval($to->getUniversalNumber()) : $to->getNumber();
         $params = [
             'PhoneNumberSet' => [
                 $phone,
@@ -80,13 +80,13 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'json' => $params,
         ]);
 
-        if (!empty($result['Response']['Error']['Code'])) {
+        if (! empty($result['Response']['Error']['Code'])) {
             throw new GatewayErrorException($result['Response']['Error']['Message'], 400, $result);
         }
 
-        if (!empty($result['Response']['SendStatusSet'])) {
+        if (! empty($result['Response']['SendStatusSet'])) {
             foreach ($result['Response']['SendStatusSet'] as $group) {
-                if ('Ok' != $group['Code']) {
+                if ($group['Code'] != 'Ok') {
                     throw new GatewayErrorException($group['Message'], 400, $result);
                 }
             }
@@ -98,8 +98,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Generate Sign.
      *
-     * @param array $params
-     *
+     * @param  array  $params
      * @return string
      */
     protected function generateSign($params, $timestamp)
diff --git a/src/Gateways/QiniuGateway.php b/src/Gateways/QiniuGateway.php
index a59ac7a..6eb8e9f 100644
--- a/src/Gateways/QiniuGateway.php
+++ b/src/Gateways/QiniuGateway.php
@@ -46,7 +46,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'mobile' => $to->getNumber(),
         ];
 
-        if (!empty($data)) {
+        if (! empty($data)) {
             $params['parameters'] = $data;
         }
 
@@ -68,9 +68,8 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Build endpoint url.
      *
-     * @param string $type
-     * @param string $function
-     *
+     * @param  string  $type
+     * @param  string  $function
      * @return string
      */
     protected function buildEndpoint($type, $function)
@@ -81,11 +80,10 @@ protected function buildEndpoint($type, $function)
     /**
      * Build endpoint url.
      *
-     * @param string $url
-     * @param string $method
-     * @param string $body
-     * @param string $contentType
-     *
+     * @param  string  $url
+     * @param  string  $method
+     * @param  string  $body
+     * @param  string  $contentType
      * @return string
      */
     protected function generateSign($url, $method, $body, $contentType, Config $config)
@@ -105,21 +103,21 @@ protected function generateSign($url, $method, $body, $contentType, Config $conf
         }
         // write request uri
         $toSignStr = $method.' '.$path;
-        if (!empty($query)) {
+        if (! empty($query)) {
             $toSignStr .= '?'.$query;
         }
         // write host and port
         $toSignStr .= "\nHost: ".$host;
-        if (!empty($port)) {
+        if (! empty($port)) {
             $toSignStr .= ':'.$port;
         }
         // write content type
-        if (!empty($contentType)) {
+        if (! empty($contentType)) {
             $toSignStr .= "\nContent-Type: ".$contentType;
         }
         $toSignStr .= "\n\n";
         // write body
-        if (!empty($body)) {
+        if (! empty($body)) {
             $toSignStr .= $body;
         }
 
@@ -129,8 +127,7 @@ protected function generateSign($url, $method, $body, $contentType, Config $conf
     }
 
     /**
-     * @param string $data
-     *
+     * @param  string  $data
      * @return string
      */
     protected function base64UrlSafeEncode($data)
diff --git a/src/Gateways/RongcloudGateway.php b/src/Gateways/RongcloudGateway.php
index f0c2648..2eda670 100644
--- a/src/Gateways/RongcloudGateway.php
+++ b/src/Gateways/RongcloudGateway.php
@@ -67,8 +67,8 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
                 break;
             case 'verifyCode':
-                if (!array_key_exists('code', $data)
-                    or !array_key_exists('sessionId', $data)) {
+                if (! array_key_exists('code', $data)
+                    or ! array_key_exists('sessionId', $data)) {
                     throw new GatewayErrorException('"code" or "sessionId" is not set', 0);
                 }
                 $params = [
@@ -93,7 +93,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
         try {
             $result = $this->post($endpoint, $params, $headers);
 
-            if (self::SUCCESS_CODE !== $result['code']) {
+            if ($result['code'] !== self::SUCCESS_CODE) {
                 throw new GatewayErrorException($result['errorMessage'], $result['code'], $result);
             }
         } catch (ClientException $e) {
@@ -106,8 +106,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Generate Sign.
      *
-     * @param array $params
-     *
+     * @param  array  $params
      * @return string
      */
     protected function generateSign($params, Config $config)
@@ -118,8 +117,7 @@ protected function generateSign($params, Config $config)
     /**
      * Build endpoint url.
      *
-     * @param string $action
-     *
+     * @param  string  $action
      * @return string
      */
     protected function buildEndpoint($action)
diff --git a/src/Gateways/RongheyunGateway.php b/src/Gateways/RongheyunGateway.php
index c8a22f4..635b9f9 100644
--- a/src/Gateways/RongheyunGateway.php
+++ b/src/Gateways/RongheyunGateway.php
@@ -56,7 +56,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             $params,
             ['Content-Type' => 'application/json; charset="UTF-8"']
         );
-        if (200 != $result['code']) {
+        if ($result['code'] != 200) {
             throw new GatewayErrorException($result['msg'], $result['code'], $result);
         }
 
diff --git a/src/Gateways/SendcloudGateway.php b/src/Gateways/SendcloudGateway.php
index bce0e4c..d2c398b 100644
--- a/src/Gateways/SendcloudGateway.php
+++ b/src/Gateways/SendcloudGateway.php
@@ -53,7 +53,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->post(sprintf(self::ENDPOINT_TEMPLATE, 'send'), $params);
 
-        if (!$result['result']) {
+        if (! $result['result']) {
             throw new GatewayErrorException($result['message'], $result['statusCode'], $result);
         }
 
@@ -75,9 +75,8 @@ protected function formatTemplateVars(array $vars)
     }
 
     /**
-     * @param array  $params
-     * @param string $key
-     *
+     * @param  array  $params
+     * @param  string  $key
      * @return string
      */
     protected function sign($params, $key)
diff --git a/src/Gateways/SmsbaoGateway.php b/src/Gateways/SmsbaoGateway.php
index ec22241..2684ba2 100644
--- a/src/Gateways/SmsbaoGateway.php
+++ b/src/Gateways/SmsbaoGateway.php
@@ -48,7 +48,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     {
         $data = $message->getContent($this);
 
-        if (is_null($to->getIDDCode()) || '86' == $to->getIDDCode()) {
+        if (is_null($to->getIDDCode()) || $to->getIDDCode() == '86') {
             $number = $to->getNumber();
             $action = 'sms';
         } else {
@@ -65,7 +65,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->get($this->buildEndpoint($action), $params);
 
-        if (self::SUCCESS_CODE !== $result) {
+        if ($result !== self::SUCCESS_CODE) {
             throw new GatewayErrorException($this->errorStatuses[$result], $result);
         }
 
diff --git a/src/Gateways/SubmailGateway.php b/src/Gateways/SubmailGateway.php
index 94ca757..e36e5a7 100644
--- a/src/Gateways/SubmailGateway.php
+++ b/src/Gateways/SubmailGateway.php
@@ -53,7 +53,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             $params = [
                 'appid' => $config->get('app_id'),
                 'signature' => $config->get('app_key'),
-                'project' => !empty($template_code) ? $template_code : (!empty($data['project']) ? $data['project'] : $config->get('project')),
+                'project' => ! empty($template_code) ? $template_code : (! empty($data['project']) ? $data['project'] : $config->get('project')),
                 'to' => $to->getUniversalNumber(),
                 'vars' => json_encode($data, JSON_FORCE_OBJECT),
             ];
@@ -61,7 +61,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->post($endpoint, $params);
 
-        if ('success' != $result['status']) {
+        if ($result['status'] != 'success') {
             throw new GatewayErrorException($result['msg'], $result['code'], $result);
         }
 
@@ -71,8 +71,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Build endpoint url.
      *
-     * @param string $function
-     *
+     * @param  string  $function
      * @return string
      */
     protected function buildEndpoint($function)
@@ -83,14 +82,13 @@ protected function buildEndpoint($function)
     /**
      * Check if the phone number belongs to chinese mainland.
      *
-     * @param PhoneNumberInterface $to
-     *
+     * @param  PhoneNumberInterface  $to
      * @return bool
      */
     protected function inChineseMainland($to)
     {
         $code = $to->getIDDCode();
 
-        return empty($code) || 86 === $code;
+        return empty($code) || $code === 86;
     }
 }
diff --git a/src/Gateways/TianyiwuxianGateway.php b/src/Gateways/TianyiwuxianGateway.php
index 201d797..510e48d 100644
--- a/src/Gateways/TianyiwuxianGateway.php
+++ b/src/Gateways/TianyiwuxianGateway.php
@@ -61,7 +61,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = json_decode($result, true);
 
-        if (self::SUCCESS_STATUS !== $result['returnstatus'] || self::SUCCESS_CODE !== $result['code']) {
+        if ($result['returnstatus'] !== self::SUCCESS_STATUS || $result['code'] !== self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['remark'], $result['code']);
         }
 
diff --git a/src/Gateways/TiniyoGateway.php b/src/Gateways/TiniyoGateway.php
index 64c5476..224d1da 100644
--- a/src/Gateways/TiniyoGateway.php
+++ b/src/Gateways/TiniyoGateway.php
@@ -60,7 +60,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             ],
         ]);
 
-        if (self::SUCCESS_CODE != $result['statusCode']) {
+        if ($result['statusCode'] != self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['statusCode'], $result['statusCode'], $result);
         }
 
@@ -70,8 +70,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * build endpoint url.
      *
-     * @param string $accountSid
-     *
+     * @param  string  $accountSid
      * @return string
      */
     protected function buildEndPoint($accountSid)
diff --git a/src/Gateways/TinreeGateway.php b/src/Gateways/TinreeGateway.php
index e42643a..e5fb011 100644
--- a/src/Gateways/TinreeGateway.php
+++ b/src/Gateways/TinreeGateway.php
@@ -46,7 +46,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->post(self::ENDPOINT_URL, $params);
 
-        if (0 != $result['code']) {
+        if ($result['code'] != 0) {
             throw new GatewayErrorException($result['msg'], $result['code'], $result);
         }
 
diff --git a/src/Gateways/TwilioGateway.php b/src/Gateways/TwilioGateway.php
index 226dca8..c65d5d4 100644
--- a/src/Gateways/TwilioGateway.php
+++ b/src/Gateways/TwilioGateway.php
@@ -63,7 +63,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
                 ],
                 'form_params' => $params,
             ]);
-            if (in_array($result['status'], $this->errorStatuses) || !is_null($result['error_code'])) {
+            if (in_array($result['status'], $this->errorStatuses) || ! is_null($result['error_code'])) {
                 throw new GatewayErrorException($result['message'], $result['error_code'], $result);
             }
         } catch (ClientException $e) {
@@ -76,8 +76,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * build endpoint url.
      *
-     * @param string $accountSid
-     *
+     * @param  string  $accountSid
      * @return string
      */
     protected function buildEndPoint($accountSid)
diff --git a/src/Gateways/UcloudGateway.php b/src/Gateways/UcloudGateway.php
index d48a3cf..71a5eb7 100644
--- a/src/Gateways/UcloudGateway.php
+++ b/src/Gateways/UcloudGateway.php
@@ -43,7 +43,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->get(self::ENDPOINT_URL, $params);
 
-        if (self::SUCCESS_CODE != $result['RetCode']) {
+        if ($result['RetCode'] != self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['Message'], $result['RetCode'], $result);
         }
 
@@ -60,23 +60,23 @@ protected function buildParams(PhoneNumberInterface $to, MessageInterface $messa
         $data = $message->getData($this);
         $params = [
             'Action' => self::ENDPOINT_Action,
-            'SigContent' => !empty($data['sig_content']) ? $data['sig_content'] : $config->get('sig_content', ''),
+            'SigContent' => ! empty($data['sig_content']) ? $data['sig_content'] : $config->get('sig_content', ''),
             'TemplateId' => $message->getTemplate($this),
             'PublicKey' => $config->get('public_key'),
         ];
         $code = isset($data['code']) ? $data['code'] : '';
-        if (is_array($code) && !empty($code)) {
+        if (is_array($code) && ! empty($code)) {
             foreach ($code as $key => $value) {
                 $params['TemplateParams.'.$key] = $value;
             }
         } else {
-            if (!empty($code) || !is_null($code)) {
+            if (! empty($code) || ! is_null($code)) {
                 $params['TemplateParams.0'] = $code;
             }
         }
 
         $mobiles = isset($data['mobiles']) ? $data['mobiles'] : '';
-        if (!empty($mobiles) && !is_null($mobiles)) {
+        if (! empty($mobiles) && ! is_null($mobiles)) {
             if (is_array($mobiles)) {
                 foreach ($mobiles as $key => $value) {
                     $params['PhoneNumbers.'.$key] = $value;
@@ -88,7 +88,7 @@ protected function buildParams(PhoneNumberInterface $to, MessageInterface $messa
             $params['PhoneNumbers.0'] = $to->getNumber();
         }
 
-        if (!is_null($config->get('project_id')) && !empty($config->get('project_id'))) {
+        if (! is_null($config->get('project_id')) && ! empty($config->get('project_id'))) {
             $params['ProjectId'] = $config->get('project_id');
         }
 
@@ -101,9 +101,8 @@ protected function buildParams(PhoneNumberInterface $to, MessageInterface $messa
     /**
      * Generate Sign.
      *
-     * @param array  $params
-     * @param string $privateKey
-     *
+     * @param  array  $params
+     * @param  string  $privateKey
      * @return string
      */
     protected function getSignature($params, $privateKey)
diff --git a/src/Gateways/Ue35Gateway.php b/src/Gateways/Ue35Gateway.php
index ff4b569..6c83779 100644
--- a/src/Gateways/Ue35Gateway.php
+++ b/src/Gateways/Ue35Gateway.php
@@ -59,7 +59,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             $result = json_decode(json_encode(simplexml_load_string($result)), true);
         }
 
-        if (self::SUCCESS_CODE != $result['errorcode']) {
+        if ($result['errorcode'] != self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['message'], $result['errorcode'], $result);
         }
 
diff --git a/src/Gateways/VolcengineGateway.php b/src/Gateways/VolcengineGateway.php
index eb01439..b817d5a 100644
--- a/src/Gateways/VolcengineGateway.php
+++ b/src/Gateways/VolcengineGateway.php
@@ -33,10 +33,15 @@ class VolcengineGateway extends Gateway
     use HasHttpRequest;
 
     public const ENDPOINT_ACTION = 'SendSms';
+
     public const ENDPOINT_VERSION = '2020-01-01';
+
     public const ENDPOINT_CONTENT_TYPE = 'application/json; charset=utf-8';
+
     public const ENDPOINT_ACCEPT = 'application/json';
+
     public const ENDPOINT_USER_AGENT = 'overtrue/easy-sms';
+
     public const ENDPOINT_SERVICE = 'volcSMS';
 
     public const Algorithm = 'HMAC-SHA256';
@@ -49,18 +54,19 @@ class VolcengineGateway extends Gateway
     ];
 
     private $regionId = self::ENDPOINT_DEFAULT_REGION_ID;
+
     protected $requestDate;
 
     public function send(PhoneNumberInterface $to, MessageInterface $message, Config $config)
     {
         $data = $message->getData($this);
-        $signName = !empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name');
-        $smsAccount = !empty($data['sms_account']) ? $data['sms_account'] : $config->get('sms_account');
+        $signName = ! empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name');
+        $smsAccount = ! empty($data['sms_account']) ? $data['sms_account'] : $config->get('sms_account');
         $templateId = $message->getTemplate($this);
-        $phoneNumbers = !empty($data['phone_numbers']) ? $data['phone_numbers'] : $to->getNumber();
-        $templateParam = !empty($data['template_param']) ? $data['template_param'] : $message->getData($this);
+        $phoneNumbers = ! empty($data['phone_numbers']) ? $data['phone_numbers'] : $to->getNumber();
+        $templateParam = ! empty($data['template_param']) ? $data['template_param'] : $message->getData($this);
 
-        $tag = !empty($data['tag']) ? $data['tag'] : '';
+        $tag = ! empty($data['tag']) ? $data['tag'] : '';
 
         $payload = [
             'SmsAccount' => $smsAccount, // 消息组帐号,火山短信页面右上角，短信应用括号中的字符串
@@ -122,7 +128,7 @@ protected function signHandle()
         return function (callable $handler) {
             return function (RequestInterface $request, array $options) use ($handler) {
                 $request = $request->withHeader('X-Date', $this->getRequestDate());
-                list($canonicalHeaders, $signedHeaders) = $this->getCanonicalHeaders($request);
+                [$canonicalHeaders, $signedHeaders] = $this->getCanonicalHeaders($request);
 
                 $queries = Query::parse($request->getUri()->getQuery());
                 $canonicalRequest = $request->getMethod()."\n"
@@ -193,7 +199,7 @@ public function getRegionId()
     public function getEndpoint()
     {
         $regionId = $this->getRegionId();
-        if (!in_array($regionId, array_keys(self::$endpoints))) {
+        if (! in_array($regionId, array_keys(self::$endpoints))) {
             $regionId = self::ENDPOINT_DEFAULT_REGION_ID;
         }
 
diff --git a/src/Gateways/WeiqucloudGateway.php b/src/Gateways/WeiqucloudGateway.php
index 93a4f10..05b7494 100644
--- a/src/Gateways/WeiqucloudGateway.php
+++ b/src/Gateways/WeiqucloudGateway.php
@@ -2,14 +2,14 @@
 
 namespace Overtrue\EasySms\Gateways;
 
-use Overtrue\EasySms\Exceptions\GatewayErrorException;
 use Overtrue\EasySms\Contracts\MessageInterface;
 use Overtrue\EasySms\Contracts\PhoneNumberInterface;
+use Overtrue\EasySms\Exceptions\GatewayErrorException;
 use Overtrue\EasySms\Support\Config;
 use Overtrue\EasySms\Traits\HasHttpRequest;
 
 /**
- * 微趣云短信网关
+ * 微趣云短信网关.
  */
 class WeiqucloudGateway extends Gateway
 {
@@ -20,13 +20,13 @@ class WeiqucloudGateway extends Gateway
     public function send(PhoneNumberInterface $to, MessageInterface $message, Config $config)
     {
         $data = [
-            "userId" => $config->get('userId'),
-            "account" => $config->get('account'),
-            "password" => $config->get('password'),
-            "mobile" => $to->getNumber(),
-            "content" => $message->getContent($this),
-            "sendTime" => "",
-            "action" => "sendhy",
+            'userId' => $config->get('userId'),
+            'account' => $config->get('account'),
+            'password' => $config->get('password'),
+            'mobile' => $to->getNumber(),
+            'content' => $message->getContent($this),
+            'sendTime' => '',
+            'action' => 'sendhy',
         ];
         $result = $this->postJson(self::ENDPOINT_URL, $data);
 
diff --git a/src/Gateways/YidongmasblackGateway.php b/src/Gateways/YidongmasblackGateway.php
index c76f416..8d520d7 100644
--- a/src/Gateways/YidongmasblackGateway.php
+++ b/src/Gateways/YidongmasblackGateway.php
@@ -48,7 +48,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
         $params['content'] = $message->getContent();
         $result = $this->postJson(self::ENDPOINT_URL, $this->generateContent($params));
 
-        if ('true' != $result['success']) {
+        if ($result['success'] != 'true') {
             throw new GatewayErrorException($result['success'], $result['rspcod'], $result);
         }
 
@@ -58,8 +58,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Generate Content.
      *
-     * @param array $params
-     *
+     * @param  array  $params
      * @return string
      */
     protected function generateContent($params)
diff --git a/src/Gateways/YunpianGateway.php b/src/Gateways/YunpianGateway.php
index dc93b59..33e3c08 100644
--- a/src/Gateways/YunpianGateway.php
+++ b/src/Gateways/YunpianGateway.php
@@ -49,7 +49,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             'exceptions' => false,
         ];
 
-        if (!is_null($template)) {
+        if (! is_null($template)) {
             $function = 'tpl_single_send';
             $data = [];
 
@@ -67,7 +67,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             $content = $message->getContent($this);
             $signature = $config->get('signature', '');
             $option['form_params'] = array_merge($option['form_params'], [
-                'text' => 0 === \stripos($content, '【') ? $content : $signature.$content,
+                'text' => \stripos($content, '【') === 0 ? $content : $signature.$content,
             ]);
         }
 
@@ -84,10 +84,9 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Build endpoint url.
      *
-     * @param string $type
-     * @param string $resource
-     * @param string $function
-     *
+     * @param  string  $type
+     * @param  string  $resource
+     * @param  string  $function
      * @return string
      */
     protected function buildEndpoint($type, $resource, $function)
diff --git a/src/Gateways/YuntongxunGateway.php b/src/Gateways/YuntongxunGateway.php
index 49511de..9979249 100644
--- a/src/Gateways/YuntongxunGateway.php
+++ b/src/Gateways/YuntongxunGateway.php
@@ -83,7 +83,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
             ],
         ]);
 
-        if (self::SUCCESS_CODE != $result['statusCode']) {
+        if ($result['statusCode'] != self::SUCCESS_CODE) {
             throw new GatewayErrorException($result['statusCode'], $result['statusCode'], $result);
         }
 
@@ -93,10 +93,9 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     /**
      * Build endpoint url.
      *
-     * @param string $type
-     * @param string $resource
-     * @param string $datetime
-     *
+     * @param  string  $type
+     * @param  string  $resource
+     * @param  string  $datetime
      * @return string
      */
     protected function buildEndpoint($type, $resource, $datetime, Config $config)
diff --git a/src/Gateways/YunxinGateway.php b/src/Gateways/YunxinGateway.php
index 7da6001..9986a23 100755
--- a/src/Gateways/YunxinGateway.php
+++ b/src/Gateways/YunxinGateway.php
@@ -71,7 +71,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
         try {
             $result = $this->post($endpoint, $params, $headers);
 
-            if (!isset($result['code']) || self::SUCCESS_CODE !== $result['code']) {
+            if (! isset($result['code']) || $result['code'] !== self::SUCCESS_CODE) {
                 $code = isset($result['code']) ? $result['code'] : 0;
                 $error = isset($result['msg']) ? $result['msg'] : json_encode($result, JSON_UNESCAPED_UNICODE);
 
@@ -138,7 +138,7 @@ public function buildVerifyCodeParams(PhoneNumberInterface $to, MessageInterface
     {
         $data = $message->getData($this);
 
-        if (!array_key_exists('code', $data)) {
+        if (! array_key_exists('code', $data)) {
             throw new GatewayErrorException('"code" cannot be empty', 0);
         }
 
diff --git a/src/Gateways/YunzhixunGateway.php b/src/Gateways/YunzhixunGateway.php
index 1ae6774..c3902a6 100755
--- a/src/Gateways/YunzhixunGateway.php
+++ b/src/Gateways/YunzhixunGateway.php
@@ -92,7 +92,7 @@ protected function execute($endpoint, $params)
         try {
             $result = $this->postJson($endpoint, $params);
 
-            if (!isset($result['code']) || self::SUCCESS_CODE !== $result['code']) {
+            if (! isset($result['code']) || $result['code'] !== self::SUCCESS_CODE) {
                 $code = isset($result['code']) ? $result['code'] : 0;
                 $error = isset($result['msg']) ? $result['msg'] : json_encode($result, JSON_UNESCAPED_UNICODE);
 
diff --git a/src/Gateways/ZzyunGateway.php b/src/Gateways/ZzyunGateway.php
index 429daf5..2244def 100644
--- a/src/Gateways/ZzyunGateway.php
+++ b/src/Gateways/ZzyunGateway.php
@@ -50,7 +50,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
 
         $result = $this->post(self::ENDPOINT_URL, $params);
 
-        if ('Success' != $result['Code']) {
+        if ($result['Code'] != 'Success') {
             throw new GatewayErrorException($result['Message'], $result['Code'], $result);
         }
 
diff --git a/src/Messenger.php b/src/Messenger.php
index 9c19b61..0634771 100644
--- a/src/Messenger.php
+++ b/src/Messenger.php
@@ -67,7 +67,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, array
             }
         }
 
-        if (!$isSuccessful) {
+        if (! $isSuccessful) {
             throw new NoGatewayAvailableException($results);
         }
 
diff --git a/src/PhoneNumber.php b/src/PhoneNumber.php
index 758ccdc..cb1d233 100644
--- a/src/PhoneNumber.php
+++ b/src/PhoneNumber.php
@@ -41,9 +41,9 @@ public function __construct(int|string $numberWithoutIDDCode, ?string $IDDCode =
 
         // Try to parse using libphonenumber
         try {
-            if (null !== $parsedIDDCode) {
+            if ($parsedIDDCode !== null) {
                 // If IDD code is provided, construct the phone number directly
-                $this->phoneNumberObject = new \libphonenumber\PhoneNumber();
+                $this->phoneNumberObject = new \libphonenumber\PhoneNumber;
                 $this->phoneNumberObject->setCountryCode($parsedIDDCode);
                 $this->phoneNumberObject->setNationalNumber($numberStr);
 
@@ -101,7 +101,7 @@ public function getNumber(): int|string
      */
     public function getUniversalNumber(): string
     {
-        if (null !== $this->phoneNumberObject && null !== $this->IDDCode && $this->phoneUtil->isValidNumber($this->phoneNumberObject)) {
+        if ($this->phoneNumberObject !== null && $this->IDDCode !== null && $this->phoneUtil->isValidNumber($this->phoneNumberObject)) {
             return $this->phoneUtil->format($this->phoneNumberObject, PhoneNumberFormat::E164);
         }
 
@@ -113,7 +113,7 @@ public function getUniversalNumber(): string
      */
     public function getZeroPrefixedNumber(): string
     {
-        if (null !== $this->phoneNumberObject && null !== $this->IDDCode) {
+        if ($this->phoneNumberObject !== null && $this->IDDCode !== null) {
             $e164 = $this->phoneUtil->format($this->phoneNumberObject, PhoneNumberFormat::E164);
 
             // Convert +XX to 00XX
@@ -157,6 +157,6 @@ public function jsonSerialize()
      */
     public function inChineseMainland(): bool
     {
-        return empty($this->IDDCode) || 86 === $this->IDDCode;
+        return empty($this->IDDCode) || $this->IDDCode === 86;
     }
 }
diff --git a/src/Strategies/RandomStrategy.php b/src/Strategies/RandomStrategy.php
index 6c7c2e6..431fa27 100644
--- a/src/Strategies/RandomStrategy.php
+++ b/src/Strategies/RandomStrategy.php
@@ -24,7 +24,7 @@ public function apply(array $gateways): array
             $keys = \array_keys($gateways);
             $n = \count($keys);
 
-            for ($i = $n - 1; $i > 0; --$i) {
+            for ($i = $n - 1; $i > 0; $i--) {
                 $j = \random_int(0, $i);
                 [$keys[$i], $keys[$j]] = [$keys[$j], $keys[$i]];
             }
diff --git a/src/Support/Config.php b/src/Support/Config.php
index 54d0c84..a7b2bc1 100644
--- a/src/Support/Config.php
+++ b/src/Support/Config.php
@@ -41,12 +41,12 @@ public function get(string $key, mixed $default = null): mixed
             return $config[$key];
         }
 
-        if (!str_contains($key, '.')) {
+        if (! str_contains($key, '.')) {
             return $default;
         }
 
         foreach (explode('.', $key) as $segment) {
-            if (!is_array($config) || !array_key_exists($segment, $config)) {
+            if (! is_array($config) || ! array_key_exists($segment, $config)) {
                 return $default;
             }
             $config = $config[$segment];
@@ -60,10 +60,9 @@ public function get(string $key, mixed $default = null): mixed
      *
      * @see  http://php.net/manual/en/arrayaccess.offsetexists.php
      *
-     * @param mixed $offset <p>
-     *                      An offset to check for.
-     *                      </p>
-     *
+     * @param  mixed  $offset  <p>
+     *                         An offset to check for.
+     *                         </p>
      * @return bool true on success or false on failure.
      *              </p>
      *              <p>
@@ -82,10 +81,9 @@ public function offsetExists(mixed $offset): bool
      *
      * @see  http://php.net/manual/en/arrayaccess.offsetget.php
      *
-     * @param mixed $offset <p>
-     *                      The offset to retrieve.
-     *                      </p>
-     *
+     * @param  mixed  $offset  <p>
+     *                         The offset to retrieve.
+     *                         </p>
      * @return mixed Can return all value types
      *
      * @since 5.0.0
@@ -101,12 +99,12 @@ public function offsetGet(mixed $offset): mixed
      *
      * @see  http://php.net/manual/en/arrayaccess.offsetset.php
      *
-     * @param mixed $offset <p>
-     *                      The offset to assign the value to.
-     *                      </p>
-     * @param mixed $value  <p>
-     *                      The value to set.
-     *                      </p>
+     * @param  mixed  $offset  <p>
+     *                         The offset to assign the value to.
+     *                         </p>
+     * @param  mixed  $value  <p>
+     *                        The value to set.
+     *                        </p>
      *
      * @since 5.0.0
      */
@@ -123,9 +121,9 @@ public function offsetSet(mixed $offset, mixed $value): void
      *
      * @see  http://php.net/manual/en/arrayaccess.offsetunset.php
      *
-     * @param mixed $offset <p>
-     *                      The offset to unset.
-     *                      </p>
+     * @param  mixed  $offset  <p>
+     *                         The offset to unset.
+     *                         </p>
      *
      * @since 5.0.0
      */
diff --git a/src/Traits/HasHttpRequest.php b/src/Traits/HasHttpRequest.php
index aaeef0d..29f82e1 100644
--- a/src/Traits/HasHttpRequest.php
+++ b/src/Traits/HasHttpRequest.php
@@ -22,10 +22,9 @@ trait HasHttpRequest
     /**
      * Make a get request.
      *
-     * @param string $endpoint
-     * @param array  $query
-     * @param array  $headers
-     *
+     * @param  string  $endpoint
+     * @param  array  $query
+     * @param  array  $headers
      * @return ResponseInterface|array|string
      */
     protected function get($endpoint, $query = [], $headers = [])
@@ -39,10 +38,9 @@ protected function get($endpoint, $query = [], $headers = [])
     /**
      * Make a post request.
      *
-     * @param string $endpoint
-     * @param array  $params
-     * @param array  $headers
-     *
+     * @param  string  $endpoint
+     * @param  array  $params
+     * @param  array  $headers
      * @return ResponseInterface|array|string
      */
     protected function post($endpoint, $params = [], $headers = [])
@@ -56,9 +54,8 @@ protected function post($endpoint, $params = [], $headers = [])
     /**
      * Make a post request with json params.
      *
-     * @param array $params
-     * @param array $headers
-     *
+     * @param  array  $params
+     * @param  array  $headers
      * @return ResponseInterface|array|string
      */
     protected function postJson($endpoint, $params = [], $headers = [])
@@ -72,10 +69,9 @@ protected function postJson($endpoint, $params = [], $headers = [])
     /**
      * Make a http request.
      *
-     * @param string $method
-     * @param string $endpoint
-     * @param array  $options  http://docs.guzzlephp.org/en/latest/request-options.html
-     *
+     * @param  string  $method
+     * @param  string  $endpoint
+     * @param  array  $options  http://docs.guzzlephp.org/en/latest/request-options.html
      * @return ResponseInterface|array|string
      */
     protected function request($method, $endpoint, $options = [])
@@ -120,9 +116,9 @@ protected function unwrapResponse(ResponseInterface $response)
         $contentType = $response->getHeaderLine('Content-Type');
         $contents = $response->getBody()->getContents();
 
-        if (false !== stripos($contentType, 'json') || stripos($contentType, 'javascript')) {
+        if (stripos($contentType, 'json') !== false || stripos($contentType, 'javascript')) {
             return json_decode($contents, true);
-        } elseif (false !== stripos($contentType, 'xml')) {
+        } elseif (stripos($contentType, 'xml') !== false) {
             return json_decode(json_encode(simplexml_load_string($contents)), true);
         }
 
diff --git a/tests/EasySmsTest.php b/tests/EasySmsTest.php
index e85ea9d..c9564b6 100644
--- a/tests/EasySmsTest.php
+++ b/tests/EasySmsTest.php
@@ -23,7 +23,7 @@
 
 class EasySmsTest extends TestCase
 {
-    public function testGateway()
+    public function test_gateway()
     {
         $easySms = new EasySms([]);
 
@@ -36,7 +36,7 @@ public function testGateway()
         $easySms->gateway('NotExistsGatewayName');
     }
 
-    public function testGatewayNameConflicts()
+    public function test_gateway_name_conflicts()
     {
         $easySms = \Mockery::mock(EasySms::class.'[makeGateway]', [['default' => DummyGatewayForTest::class]]);
 
@@ -44,23 +44,23 @@ public function testGatewayNameConflicts()
         $easySms->makeGateway(DummyGatewayNotImplementsGatewayInterface::class, []);
     }
 
-    public function testExtend()
+    public function test_extend()
     {
         $easySms = new EasySms([]);
         $easySms->extend('foo', function () {
-            return new DummyGatewayForTest();
+            return new DummyGatewayForTest;
         });
 
         $this->assertInstanceOf(DummyGatewayForTest::class, $easySms->gateway('foo'));
     }
 
-    public function testSend()
+    public function test_send()
     {
         $messenger = \Mockery::mock(Messenger::class);
         $messenger->allows()->send(\Mockery::on(function ($number) {
-            return $number instanceof PhoneNumber && !empty($number->getNumber());
+            return $number instanceof PhoneNumber && ! empty($number->getNumber());
         }), \Mockery::on(function ($message) {
-            return $message instanceof MessageInterface && !empty($message->getContent());
+            return $message instanceof MessageInterface && ! empty($message->getContent());
         }), [])->andReturn([]);
 
         $easySms = \Mockery::mock(EasySms::class.'[getMessenger]', [['default' => DummyGatewayForTest::class]]);
@@ -87,7 +87,7 @@ public function testSend()
         $this->assertIsArray($easySms->send($number, $message));
     }
 
-    public function testFormatMessage()
+    public function test_format_message()
     {
         $easySms = \Mockery::mock(EasySms::class.'[formatMessage]', [[]])->makePartial()->shouldAllowMockingProtectedMethods();
 
@@ -122,14 +122,14 @@ public function testFormatMessage()
         $this->assertSame(['c' => 'd'], $message->setData(['c' => 'd'])->getData());
     }
 
-    public function testGetMessenger()
+    public function test_get_messenger()
     {
         $easySms = new EasySms([]);
 
         $this->assertInstanceOf(Messenger::class, $easySms->getMessenger());
     }
 
-    public function testFormatGateways()
+    public function test_format_gateways()
     {
         $config = [
             'gateways' => [
@@ -173,7 +173,7 @@ public function testFormatGateways()
         $this->assertSame('e', $gateways['bar']->get('c'));
     }
 
-    public function testCreateGatewayWithDefaultTimeout()
+    public function test_create_gateway_with_default_timeout()
     {
         $easySms = new EasySms([
             'timeout' => 10.0,
@@ -189,9 +189,7 @@ public function testCreateGatewayWithDefaultTimeout()
     }
 }
 
-class DummyGatewayNotImplementsGatewayInterface
-{
-}
+class DummyGatewayNotImplementsGatewayInterface {}
 
 class DummyGatewayForTest implements GatewayInterface
 {
diff --git a/tests/Gateways/AliyunGatewayTest.php b/tests/Gateways/AliyunGatewayTest.php
index aad9980..4c4ef7a 100644
--- a/tests/Gateways/AliyunGatewayTest.php
+++ b/tests/Gateways/AliyunGatewayTest.php
@@ -20,7 +20,7 @@
 
 class AliyunGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'access_key_id' => 'mock-api-key',
diff --git a/tests/Gateways/AliyunIntlGatewayTest.php b/tests/Gateways/AliyunIntlGatewayTest.php
index 8bb7859..3403419 100644
--- a/tests/Gateways/AliyunIntlGatewayTest.php
+++ b/tests/Gateways/AliyunIntlGatewayTest.php
@@ -15,7 +15,7 @@
 class AliyunIntlGatewayTest extends TestCase
 {
     /** @test */
-    public function itCanSenSmsByAliyunIntlGateway()
+    public function it_can_sen_sms_by_aliyun_intl_gateway()
     {
         $config = [
             'access_key_id' => 'mock-api-key',
@@ -42,26 +42,26 @@ public function itCanSenSmsByAliyunIntlGateway()
         ];
 
         $gateway->shouldReceive('get')
-                ->with(AliyunIntlGateway::ENDPOINT_URL, \Mockery::on(function ($params) use ($expected) {
-                    if (empty($params['Signature'])) {
-                        return false;
-                    }
+            ->with(AliyunIntlGateway::ENDPOINT_URL, \Mockery::on(function ($params) use ($expected) {
+                if (empty($params['Signature'])) {
+                    return false;
+                }
 
-                    unset($params['SignatureNonce'], $params['Timestamp'], $params['Signature']);
+                unset($params['SignatureNonce'], $params['Timestamp'], $params['Signature']);
 
-                    ksort($params);
-                    ksort($expected);
+                ksort($params);
+                ksort($expected);
 
-                    return $params == $expected;
-                }))
-                ->andReturn([
-                    'ResponseCode' => 'OK',
-                    'ResponseDescription' => 'mock-result',
-                ], [
-                    'ResponseCode' => 1234,
-                    'ResponseDescription' => 'mock-err-msg',
-                ])
-                ->twice();
+                return $params == $expected;
+            }))
+            ->andReturn([
+                'ResponseCode' => 'OK',
+                'ResponseDescription' => 'mock-result',
+            ], [
+                'ResponseCode' => 1234,
+                'ResponseDescription' => 'mock-err-msg',
+            ])
+            ->twice();
 
         $message = new Message([
             'template' => 'mock-template-code',
diff --git a/tests/Gateways/AliyunrestGatewayTest.php b/tests/Gateways/AliyunrestGatewayTest.php
index e27b38b..315d7b3 100644
--- a/tests/Gateways/AliyunrestGatewayTest.php
+++ b/tests/Gateways/AliyunrestGatewayTest.php
@@ -23,7 +23,7 @@
  */
 class AliyunrestGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $urlParams = [
             'app_key' => 'mock-app-key',
@@ -51,7 +51,7 @@ public function testSend()
         $gateway = \Mockery::mock(AliyunrestGateway::class.'[post]', [$config])->shouldAllowMockingProtectedMethods();
         $gateway->shouldReceive('post')->with(\Mockery::on(function ($url) use ($urlParams) {
             $url = implode('&', array_filter(explode('&', $url), function ($s) {
-                return 'sign=' != substr($s, 0, 5);
+                return substr($s, 0, 5) != 'sign=';
             }));
 
             return $url == 'http://gw.api.taobao.com/router/rest?'.http_build_query($urlParams);
diff --git a/tests/Gateways/BaiduGatewayTest.php b/tests/Gateways/BaiduGatewayTest.php
index 7f86f56..10b7c2f 100644
--- a/tests/Gateways/BaiduGatewayTest.php
+++ b/tests/Gateways/BaiduGatewayTest.php
@@ -20,7 +20,7 @@
 
 class BaiduGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'ak' => 'mock-ak',
@@ -37,7 +37,7 @@ public function testSend()
         $gateway->shouldReceive('request')->with(
             'post',
             \Mockery::on(function ($api) {
-                return 0 == strpos($api, 'http://'.BaiduGateway::ENDPOINT_HOST.BaiduGateway::ENDPOINT_URI);
+                return strpos($api, 'http://'.BaiduGateway::ENDPOINT_HOST.BaiduGateway::ENDPOINT_URI) == 0;
             }),
             \Mockery::on(function ($params) use ($expected) {
                 ksort($params['json']);
diff --git a/tests/Gateways/ChuanglanGatewayTest.php b/tests/Gateways/ChuanglanGatewayTest.php
index e0b136a..0aa87d0 100644
--- a/tests/Gateways/ChuanglanGatewayTest.php
+++ b/tests/Gateways/ChuanglanGatewayTest.php
@@ -27,7 +27,7 @@ class ChuanglanGatewayTest extends TestCase
     /**
      * 发送验证码通道短信.
      */
-    public function testSendValidateCodeSMS()
+    public function test_send_validate_code_sms()
     {
         $config = [
             'account' => 'mock-account',
@@ -79,7 +79,7 @@ public function testSendValidateCodeSMS()
     /**
      * 发送营销通道短信.
      */
-    public function testSendPromotionSMS()
+    public function test_send_promotion_sms()
     {
         $config = [
             'account' => 'mock-account',
@@ -135,7 +135,7 @@ public function testSendPromotionSMS()
      *
      * @throws \ReflectionException
      */
-    public function testBuildEndpoint()
+    public function test_build_endpoint()
     {
         $method = new \ReflectionMethod(ChuanglanGateway::class, 'buildEndpoint');
         $method->setAccessible(true);
@@ -159,7 +159,7 @@ public function testBuildEndpoint()
      *
      * @throws \ReflectionException
      */
-    public function testGetChannel()
+    public function test_get_channel()
     {
         $method = new \ReflectionMethod(ChuanglanGateway::class, 'getChannel');
         $method->setAccessible(true);
@@ -181,7 +181,7 @@ public function testGetChannel()
      *
      * @throws \ReflectionException
      */
-    public function testGetChannelException()
+    public function test_get_channel_exception()
     {
         $method = new \ReflectionMethod(ChuanglanGateway::class, 'getChannel');
         $method->setAccessible(true);
@@ -200,7 +200,7 @@ public function testGetChannelException()
      *
      * @throws \ReflectionException
      */
-    public function testValidateCodeChannelWrapChannelContent()
+    public function test_validate_code_channel_wrap_channel_content()
     {
         $method = new \ReflectionMethod(ChuanglanGateway::class, 'wrapChannelContent');
         $method->setAccessible(true);
@@ -219,7 +219,7 @@ public function testValidateCodeChannelWrapChannelContent()
      *
      * @throws \ReflectionException
      */
-    public function testPromotionChannelWrapChannelContent()
+    public function test_promotion_channel_wrap_channel_content()
     {
         $method = new \ReflectionMethod(ChuanglanGateway::class, 'wrapChannelContent');
         $method->setAccessible(true);
@@ -242,7 +242,7 @@ public function testPromotionChannelWrapChannelContent()
      *
      * @throws \ReflectionException
      */
-    public function testPromotionChannelWrapChannelContentWithoutSign()
+    public function test_promotion_channel_wrap_channel_content_without_sign()
     {
         $method = new \ReflectionMethod(ChuanglanGateway::class, 'wrapChannelContent');
         $method->setAccessible(true);
@@ -267,7 +267,7 @@ public function testPromotionChannelWrapChannelContentWithoutSign()
      *
      * @throws \ReflectionException
      */
-    public function testPromotionChannelWrapChannelContentWithoutUnsubscribe()
+    public function test_promotion_channel_wrap_channel_content_without_unsubscribe()
     {
         $method = new \ReflectionMethod(ChuanglanGateway::class, 'wrapChannelContent');
         $method->setAccessible(true);
diff --git a/tests/Gateways/CtyunGatewayTest.php b/tests/Gateways/CtyunGatewayTest.php
index 44803e2..b96bf51 100644
--- a/tests/Gateways/CtyunGatewayTest.php
+++ b/tests/Gateways/CtyunGatewayTest.php
@@ -11,7 +11,7 @@
 
 class CtyunGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'secret_key' => 'mock-secrey-key',
diff --git a/tests/Gateways/ErrorlogGatewayTest.php b/tests/Gateways/ErrorlogGatewayTest.php
index 52a9fd5..09f2226 100644
--- a/tests/Gateways/ErrorlogGatewayTest.php
+++ b/tests/Gateways/ErrorlogGatewayTest.php
@@ -29,7 +29,7 @@ public function removeLogFile()
         unlink($this->logFile);
     }
 
-    public function testSend()
+    public function test_send()
     {
         $gateway = new ErrorlogGateway([
             'file' => $this->logFile,
@@ -40,7 +40,7 @@ public function testSend()
             'data' => ['foo' => 'bar'],
         ]);
 
-        $gateway->send(new PhoneNumber(18188888888), $message, new Config());
+        $gateway->send(new PhoneNumber(18188888888), $message, new Config);
 
         $this->assertTrue(file_exists($this->logFile));
         $this->assertNotFalse(
diff --git a/tests/Gateways/GatewayTest.php b/tests/Gateways/GatewayTest.php
index b0b4772..cbc77f4 100644
--- a/tests/Gateways/GatewayTest.php
+++ b/tests/Gateways/GatewayTest.php
@@ -19,7 +19,7 @@
 
 class GatewayTest extends TestCase
 {
-    public function testTimeout()
+    public function test_timeout()
     {
         $gateway = new DummyGatewayForGatewayTest(['foo' => 'bar']);
 
@@ -32,7 +32,7 @@ public function testTimeout()
         $this->assertSame(12.0, $gateway->getTimeout());
     }
 
-    public function testConfigSetterAndGetter()
+    public function test_config_setter_and_getter()
     {
         $gateway = new DummyGatewayForGatewayTest(['foo' => 'bar']);
 
diff --git a/tests/Gateways/HuaweiGatewayTest.php b/tests/Gateways/HuaweiGatewayTest.php
index cade24d..e62a6f9 100644
--- a/tests/Gateways/HuaweiGatewayTest.php
+++ b/tests/Gateways/HuaweiGatewayTest.php
@@ -23,7 +23,7 @@ class HuaweiGatewayTest extends TestCase
     /**
      * 测试 发送华为短信
      */
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'endpoint' => 'mock-endpoint',
@@ -49,7 +49,7 @@ public function testSend()
             ->with(
                 'post',
                 \Mockery::on(function ($endpoint) use ($config) {
-                    return $config['endpoint'].'/sms/batchSendSms/v1' === $endpoint;
+                    return $endpoint === $config['endpoint'].'/sms/batchSendSms/v1';
                 }),
                 \Mockery::on(function ($params) use ($expectedParams) {
                     ksort($params['form_params']);
@@ -84,7 +84,7 @@ public function testSend()
     /**
      * 测试 自定义签名通道.
      */
-    public function testMultiFrom()
+    public function test_multi_from()
     {
         $config = [
             'endpoint' => 'mock-endpoint',
@@ -111,7 +111,7 @@ public function testMultiFrom()
             ->with(
                 'post',
                 \Mockery::on(function ($endpoint) use ($config) {
-                    return $config['endpoint'].'/sms/batchSendSms/v1' === $endpoint;
+                    return $endpoint === $config['endpoint'].'/sms/batchSendSms/v1';
                 }),
                 \Mockery::on(function ($params) use ($expectedParams) {
                     ksort($params['form_params']);
@@ -152,7 +152,7 @@ public function testMultiFrom()
      *
      * @throws \ReflectionException
      */
-    public function testGetEndpoint()
+    public function test_get_endpoint()
     {
         $method = new \ReflectionMethod(HuaweiGateway::class, 'getEndpoint');
         $method->setAccessible(true);
@@ -160,7 +160,7 @@ public function testGetEndpoint()
         $gateway = \Mockery::mock(HuaweiGateway::class.'[request]', [[]])->shouldAllowMockingProtectedMethods();
 
         $defaultEndpoint = 'https://api.rtc.huaweicloud.com:10443/sms/batchSendSms/v1';
-        $this->assertSame($defaultEndpoint, $method->invoke($gateway, new Config()));
+        $this->assertSame($defaultEndpoint, $method->invoke($gateway, new Config));
 
         $config = new Config([
             'endpoint' => 'mock-endpoint',
diff --git a/tests/Gateways/HuaxinGatewayTest.php b/tests/Gateways/HuaxinGatewayTest.php
index 7bcc811..13c2bf4 100644
--- a/tests/Gateways/HuaxinGatewayTest.php
+++ b/tests/Gateways/HuaxinGatewayTest.php
@@ -20,7 +20,7 @@
 
 class HuaxinGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'user_id' => 'mock-user-id',
diff --git a/tests/Gateways/HuyiGatewayTest.php b/tests/Gateways/HuyiGatewayTest.php
index 881ec50..1cdc4a9 100644
--- a/tests/Gateways/HuyiGatewayTest.php
+++ b/tests/Gateways/HuyiGatewayTest.php
@@ -20,7 +20,7 @@
 
 class HuyiGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'api_id' => 'mock-api-id',
diff --git a/tests/Gateways/JuheGatewayTest.php b/tests/Gateways/JuheGatewayTest.php
index bd41ac3..9a028a2 100644
--- a/tests/Gateways/JuheGatewayTest.php
+++ b/tests/Gateways/JuheGatewayTest.php
@@ -20,7 +20,7 @@
 
 class JuheGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'app_key' => 'mock-key',
diff --git a/tests/Gateways/KingttoGatewayTest.php b/tests/Gateways/KingttoGatewayTest.php
index b06d9d4..977bdaa 100644
--- a/tests/Gateways/KingttoGatewayTest.php
+++ b/tests/Gateways/KingttoGatewayTest.php
@@ -20,7 +20,7 @@
 
 class KingttoGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'userid' => 'mock-id',
diff --git a/tests/Gateways/LuosimaoGatewayTest.php b/tests/Gateways/LuosimaoGatewayTest.php
index be02b52..8e408a4 100644
--- a/tests/Gateways/LuosimaoGatewayTest.php
+++ b/tests/Gateways/LuosimaoGatewayTest.php
@@ -20,7 +20,7 @@
 
 class LuosimaoGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'api_key' => 'mock-api-key',
diff --git a/tests/Gateways/MaapGatewayTest.php b/tests/Gateways/MaapGatewayTest.php
index c63f123..6e3a3de 100644
--- a/tests/Gateways/MaapGatewayTest.php
+++ b/tests/Gateways/MaapGatewayTest.php
@@ -20,7 +20,7 @@
 
 class MaapGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'cpcode' => 'mock-cpcode',
diff --git a/tests/Gateways/ModuyunGatewayTest.php b/tests/Gateways/ModuyunGatewayTest.php
index d4d1748..4a972f5 100644
--- a/tests/Gateways/ModuyunGatewayTest.php
+++ b/tests/Gateways/ModuyunGatewayTest.php
@@ -20,7 +20,7 @@
 
 class ModuyunGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'accesskey' => 'mock-accesskey',
diff --git a/tests/Gateways/NowcnGatewaysTest.php b/tests/Gateways/NowcnGatewaysTest.php
index 1fe2ce8..1d9e523 100644
--- a/tests/Gateways/NowcnGatewaysTest.php
+++ b/tests/Gateways/NowcnGatewaysTest.php
@@ -11,7 +11,7 @@
 
 class NowcnGatewaysTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'key' => '1',
@@ -23,7 +23,7 @@ public function testSend()
         $gateway->shouldReceive('request')->with(
             'get',
             \Mockery::on(function ($api) {
-                return 0 === strpos($api, NowcnGateway::ENDPOINT_URL);
+                return strpos($api, NowcnGateway::ENDPOINT_URL) === 0;
             }),
             \Mockery::on(function ($params) {
                 return true;
diff --git a/tests/Gateways/QcloudGatewayTest.php b/tests/Gateways/QcloudGatewayTest.php
index c3ebde8..4a301d9 100644
--- a/tests/Gateways/QcloudGatewayTest.php
+++ b/tests/Gateways/QcloudGatewayTest.php
@@ -20,7 +20,7 @@
 
 class QcloudGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'sdk_app_id' => 'mock-sdk-app-id',
@@ -90,7 +90,7 @@ public function testSend()
         $gateway->send(new PhoneNumber(18888888888), $message, $config);
     }
 
-    public function testSendWithPartialErrors()
+    public function test_send_with_partial_errors()
     {
         $config = [
             'sdk_app_id' => 'mock-sdk-app-id',
@@ -102,22 +102,22 @@ public function testSendWithPartialErrors()
         $gateway = \Mockery::mock(QcloudGateway::class.'[request]', [$config])->shouldAllowMockingProtectedMethods();
 
         $gateway->shouldReceive('request')
-                ->andReturn([
-                    'Response' => [
-                        'SendStatusSet' => [
-                            [
-                                'SerialNo' => '2028:f825e6b16e23f73f4123',
-                                'PhoneNumber' => '8618888888888',
-                                'Fee' => 1,
-                                'SessionContext' => '',
-                                'Code' => 'InvalidParameterValue.TemplateParameterFormatError',
-                                'Message' => 'Verification code template parameter format error',
-                                'IsoCode' => 'CN',
-                            ],
+            ->andReturn([
+                'Response' => [
+                    'SendStatusSet' => [
+                        [
+                            'SerialNo' => '2028:f825e6b16e23f73f4123',
+                            'PhoneNumber' => '8618888888888',
+                            'Fee' => 1,
+                            'SessionContext' => '',
+                            'Code' => 'InvalidParameterValue.TemplateParameterFormatError',
+                            'Message' => 'Verification code template parameter format error',
+                            'IsoCode' => 'CN',
                         ],
                     ],
-                    'RequestId' => '0dc99542-c61a-4a16-9545-ec8ec202c543',
-                ])->once();
+                ],
+                'RequestId' => '0dc99542-c61a-4a16-9545-ec8ec202c543',
+            ])->once();
 
         $message = new Message([
             'template' => 'template-id',
diff --git a/tests/Gateways/QiniuGatewayTest.php b/tests/Gateways/QiniuGatewayTest.php
index 84a661a..260b764 100644
--- a/tests/Gateways/QiniuGatewayTest.php
+++ b/tests/Gateways/QiniuGatewayTest.php
@@ -20,7 +20,7 @@
 
 class QiniuGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'secret_key' => 'mock-secrey-key',
diff --git a/tests/Gateways/RongheyunGatewayTest.php b/tests/Gateways/RongheyunGatewayTest.php
index 0a02764..54240e4 100644
--- a/tests/Gateways/RongheyunGatewayTest.php
+++ b/tests/Gateways/RongheyunGatewayTest.php
@@ -20,7 +20,7 @@
 
 class RongheyunGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'username' => 'mock-username',
diff --git a/tests/Gateways/SendcloudGatewayTest.php b/tests/Gateways/SendcloudGatewayTest.php
index e2339c8..c83652a 100644
--- a/tests/Gateways/SendcloudGatewayTest.php
+++ b/tests/Gateways/SendcloudGatewayTest.php
@@ -20,7 +20,7 @@
 
 class SendcloudGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'sms_user' => 'mock-user',
@@ -51,8 +51,7 @@ public function testSend()
                     && $params['phone'] == $expected['phone']
                     && $params['vars'] == $expected['vars']
                     && $params['signature'] == $expectedSignature
-                    && !isset($params['timestamp'])
-                ;
+                    && ! isset($params['timestamp']);
             }))
             ->andReturn([
                 'message' => '操作成功',
@@ -87,7 +86,7 @@ public function testSend()
         $gateway->send(new PhoneNumber(18188888888), $message, $config);
     }
 
-    public function testTimestampConfig()
+    public function test_timestamp_config()
     {
         $config = [
             'sms_user' => 'mock-user',
@@ -98,7 +97,7 @@ public function testTimestampConfig()
 
         $gateway->shouldReceive('post')
             ->with(sprintf(SendcloudGateway::ENDPOINT_TEMPLATE, 'send'), \Mockery::on(function ($params) {
-                return isset($params['timestamp']) && 13 == strlen($params['timestamp']) && $params['timestamp'] <= time() * 1000;
+                return isset($params['timestamp']) && strlen($params['timestamp']) == 13 && $params['timestamp'] <= time() * 1000;
             }))->andReturn([
                 'message' => '操作成功',
                 'result' => true,
diff --git a/tests/Gateways/SmsbaoGatewayTest.php b/tests/Gateways/SmsbaoGatewayTest.php
index 207556b..ce8b6d8 100644
--- a/tests/Gateways/SmsbaoGatewayTest.php
+++ b/tests/Gateways/SmsbaoGatewayTest.php
@@ -25,7 +25,7 @@
  */
 class SmsbaoGatewayTest extends TestCase
 {
-    public function testSendWithSMS()
+    public function test_send_with_sms()
     {
         $config = [
             'user' => 'mock-user',
@@ -60,7 +60,7 @@ public function testSendWithSMS()
         $gateway->send(new PhoneNumber(18188888888), $message, $config);
     }
 
-    public function testSendWithWSMS()
+    public function test_send_with_wsms()
     {
         $config = [
             'user' => 'mock-user',
diff --git a/tests/Gateways/SubmailGatewayTest.php b/tests/Gateways/SubmailGatewayTest.php
index e07be6e..f03f1c9 100644
--- a/tests/Gateways/SubmailGatewayTest.php
+++ b/tests/Gateways/SubmailGatewayTest.php
@@ -20,7 +20,7 @@
 
 class SubmailGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'app_id' => 'mock-app-id',
@@ -63,7 +63,7 @@ public function testSend()
         $gateway->send(new PhoneNumber(18188888888), $message, $config);
     }
 
-    public function testContentSend()
+    public function test_content_send()
     {
         $config = [
             'app_id' => 'mock-app-id',
@@ -104,7 +104,7 @@ public function testContentSend()
         $gateway->send(new PhoneNumber(18188888888), $message, $config);
     }
 
-    public function testProject()
+    public function test_project()
     {
         $config = [
             'app_id' => 'mock-app-id',
@@ -137,7 +137,7 @@ public function testProject()
         ], $gateway->send(new PhoneNumber(18188888888), $message, $config));
     }
 
-    public function testEndpointChina()
+    public function test_endpoint_china()
     {
         $config = [
             'app_id' => 'mock-app-id',
@@ -170,7 +170,7 @@ public function testEndpointChina()
         ], $gateway->send(new PhoneNumber(18188888888, 86), $message, $config));
     }
 
-    public function testEndpointInternational()
+    public function test_endpoint_international()
     {
         $config = [
             'app_id' => 'mock-app-id',
diff --git a/tests/Gateways/TinreeGatewayTest.php b/tests/Gateways/TinreeGatewayTest.php
index 73e70b2..ce628c4 100644
--- a/tests/Gateways/TinreeGatewayTest.php
+++ b/tests/Gateways/TinreeGatewayTest.php
@@ -20,7 +20,7 @@
 
 class TinreeGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'accesskey' => 'mock-accesskey',
diff --git a/tests/Gateways/TwilioGatewayTest.php b/tests/Gateways/TwilioGatewayTest.php
index 860e7f8..7f13c2a 100644
--- a/tests/Gateways/TwilioGatewayTest.php
+++ b/tests/Gateways/TwilioGatewayTest.php
@@ -19,7 +19,7 @@
 
 class TwilioGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'account_sid' => 'mock-api-account-sid',
diff --git a/tests/Gateways/UcloudGatewayTest.php b/tests/Gateways/UcloudGatewayTest.php
index 361c3e0..e086f18 100644
--- a/tests/Gateways/UcloudGatewayTest.php
+++ b/tests/Gateways/UcloudGatewayTest.php
@@ -23,7 +23,7 @@
  */
 class UcloudGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'private_key' => '', // 私钥
@@ -37,7 +37,7 @@ public function testSend()
         $gateway->shouldReceive('request')->with(
             'get',
             \Mockery::on(function ($api) {
-                return 0 === strpos($api, UcloudGateway::ENDPOINT_URL);
+                return strpos($api, UcloudGateway::ENDPOINT_URL) === 0;
             }),
             \Mockery::on(function ($params) {
                 return true;
@@ -70,7 +70,7 @@ public function testSend()
         $gateway->send(new PhoneNumber(18888888888), $message, $config);
     }
 
-    public function testSignContent()
+    public function test_sign_content()
     {
         $defaultSigContent = 'default_sig_content';
 
@@ -88,7 +88,7 @@ public function testSignContent()
         $gateway->shouldReceive('request')->with(
             'get',
             \Mockery::on(function ($api) {
-                return 0 === strpos($api, UcloudGateway::ENDPOINT_URL);
+                return strpos($api, UcloudGateway::ENDPOINT_URL) === 0;
             }),
             \Mockery::on(function ($params) {
                 return true;
diff --git a/tests/Gateways/Ue35GatewayTest.php b/tests/Gateways/Ue35GatewayTest.php
index 06d7e95..4d909c6 100644
--- a/tests/Gateways/Ue35GatewayTest.php
+++ b/tests/Gateways/Ue35GatewayTest.php
@@ -20,7 +20,7 @@
 
 class Ue35GatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'debug' => false,
@@ -33,18 +33,18 @@ public function testSend()
         $gateway->shouldReceive('request')->with(
             'get',
             \Mockery::on(function ($api) {
-                return 0 === strpos($api, Ue35Gateway::getEndpointUri());
+                return strpos($api, Ue35Gateway::getEndpointUri()) === 0;
             }),
             \Mockery::on(function ($params) {
                 return true;
             })
         )
-        ->andReturn([
-            'errorcode' => Ue35Gateway::SUCCESS_CODE,
-        ], [
-            'errorcode' => 100,
-            'message' => 'error',
-        ])->twice();
+            ->andReturn([
+                'errorcode' => Ue35Gateway::SUCCESS_CODE,
+            ], [
+                'errorcode' => 100,
+                'message' => 'error',
+            ])->twice();
 
         $message = new Message(['content' => 'content']);
         $config = new Config($config);
diff --git a/tests/Gateways/VolcengineGatewayTest.php b/tests/Gateways/VolcengineGatewayTest.php
index e0403fd..e187e29 100644
--- a/tests/Gateways/VolcengineGatewayTest.php
+++ b/tests/Gateways/VolcengineGatewayTest.php
@@ -20,7 +20,7 @@
 
 class VolcengineGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'access_key_id' => 'mock_access_key_id',
diff --git a/tests/Gateways/WeiqucloudGatewayTest.php b/tests/Gateways/WeiqucloudGatewayTest.php
index 59652b2..b46f7f7 100644
--- a/tests/Gateways/WeiqucloudGatewayTest.php
+++ b/tests/Gateways/WeiqucloudGatewayTest.php
@@ -20,7 +20,7 @@
 
 class WeiqucloudGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'userId' => 'mock-user-id',
@@ -39,7 +39,6 @@ public function testSend()
             'action' => 'sendhy',
         ];
 
-
         // 成功响应的数据结构
         $successResponse = [
             'code' => 200,
@@ -47,8 +46,8 @@ public function testSend()
                 'status' => 'Success',
                 'taskID' => 'mock-task-id',
                 'remainPoint' => 100,
-                'message' => '发送成功'
-            ]
+                'message' => '发送成功',
+            ],
         ];
 
         // 失败响应的数据结构
@@ -58,8 +57,8 @@ public function testSend()
                 'status' => 'Failed',
                 'message' => '账户余额不足',
                 'remainPoint' => 0,
-                'taskID' => 'mock-task-id-failed'
-            ]
+                'taskID' => 'mock-task-id-failed',
+            ],
         ];
 
         $gateway->shouldReceive('postJson')
@@ -81,4 +80,4 @@ public function testSend()
 
         $gateway->send(new PhoneNumber(18188888888), $message, $config);
     }
-} 
\ No newline at end of file
+}
diff --git a/tests/Gateways/YidongmasblackGatewayTest.php b/tests/Gateways/YidongmasblackGatewayTest.php
index e502616..0881fad 100644
--- a/tests/Gateways/YidongmasblackGatewayTest.php
+++ b/tests/Gateways/YidongmasblackGatewayTest.php
@@ -20,7 +20,7 @@
 
 class YidongmasblackGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'ecName' => 'mock-ec-name',
diff --git a/tests/Gateways/YunpianGatewayTest.php b/tests/Gateways/YunpianGatewayTest.php
index 567b882..a892eaa 100644
--- a/tests/Gateways/YunpianGatewayTest.php
+++ b/tests/Gateways/YunpianGatewayTest.php
@@ -20,7 +20,7 @@
 
 class YunpianGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'api_key' => 'mock-api-key',
@@ -66,7 +66,7 @@ public function testSend()
         $gateway->send(new PhoneNumber(18188888888), $message, $config);
     }
 
-    public function testDefaultSignature()
+    public function test_default_signature()
     {
         $config = [
             'api_key' => 'mock-api-key',
diff --git a/tests/Gateways/YuntongxunGatewayTest.php b/tests/Gateways/YuntongxunGatewayTest.php
index 522b2e8..99d55d8 100644
--- a/tests/Gateways/YuntongxunGatewayTest.php
+++ b/tests/Gateways/YuntongxunGatewayTest.php
@@ -20,7 +20,7 @@
 
 class YuntongxunGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'debug' => false,
@@ -34,7 +34,7 @@ public function testSend()
         $gateway->shouldReceive('request')->with(
             'post',
             \Mockery::on(function ($api) {
-                return 0 === strpos($api, 'https://app.cloopen.com:8883/2013-12-26/Accounts/mock-account-sid/SMS/TemplateSMS?sig=');
+                return strpos($api, 'https://app.cloopen.com:8883/2013-12-26/Accounts/mock-account-sid/SMS/TemplateSMS?sig=') === 0;
             }),
             \Mockery::on(function ($params) {
                 return $params['json'] == [
@@ -42,15 +42,15 @@ public function testSend()
                     'templateId' => 5589,
                     'appId' => 'mock-app-id',
                     'datas' => ['mock-data-1', 'mock-data-2'],
-                ] && 'application/json' == $params['headers']['Accept']
-                        && 'application/json;charset=utf-8' == $params['headers']['Content-Type'];
+                ] && $params['headers']['Accept'] == 'application/json'
+                        && $params['headers']['Content-Type'] == 'application/json;charset=utf-8';
             })
         )
-        ->andReturn([
-            'statusCode' => YuntongxunGateway::SUCCESS_CODE,
-        ], [
-            'statusCode' => 100,
-        ])->twice();
+            ->andReturn([
+                'statusCode' => YuntongxunGateway::SUCCESS_CODE,
+            ], [
+                'statusCode' => 100,
+            ])->twice();
 
         $message = new Message(['data' => ['mock-data-1', 'mock-data-2'], 'template' => 5589]);
         $config = new Config($config);
@@ -67,7 +67,7 @@ public function testSend()
     }
 
     // 国际短信
-    public function testSendIntl()
+    public function test_send_intl()
     {
         $config = [
             'debug' => false,
@@ -81,15 +81,15 @@ public function testSendIntl()
         $gateway->shouldReceive('request')->with(
             'post',
             \Mockery::on(function ($api) {
-                return 0 === strpos($api, 'https://app.cloopen.com:8883/v2/account/mock-account-sid/international/send?sig=');
+                return strpos($api, 'https://app.cloopen.com:8883/v2/account/mock-account-sid/international/send?sig=') === 0;
             }),
             \Mockery::on(function ($params) {
                 return $params['json'] == [
                     'appId' => 'mock-app-id',
                     'mobile' => '006018188888888',
                     'content' => '容联云国际短信测试',
-                ] && 'application/json' == $params['headers']['Accept']
-                && 'application/json;charset=utf-8' == $params['headers']['Content-Type'];
+                ] && $params['headers']['Accept'] == 'application/json'
+                && $params['headers']['Content-Type'] == 'application/json;charset=utf-8';
             })
         )->andReturn([
             'statusCode' => YuntongxunGateway::SUCCESS_CODE,
diff --git a/tests/Gateways/YunxinGatewayTest.php b/tests/Gateways/YunxinGatewayTest.php
index f01288d..4c783a6 100755
--- a/tests/Gateways/YunxinGatewayTest.php
+++ b/tests/Gateways/YunxinGatewayTest.php
@@ -20,7 +20,7 @@
 
 class YunxinGatewayTest extends TestCase
 {
-    public function testSendWithSendCode()
+    public function test_send_with_send_code()
     {
         $config = [
             'app_key' => 'mock-app-key',
@@ -72,7 +72,7 @@ public function testSendWithSendCode()
         $gateway->send($phone, $message, $config);
     }
 
-    public function testSendWithVerifyCode()
+    public function test_send_with_verify_code()
     {
         $config = [
             'app_key' => 'mock-app-key',
@@ -123,7 +123,7 @@ public function testSendWithVerifyCode()
         $gateway->send($phone, $message, $config);
     }
 
-    public function testSendWithTemplateMsg()
+    public function test_send_with_template_msg()
     {
         $config = [
             'app_key' => 'mock-app-key',
@@ -178,7 +178,7 @@ public function testSendWithTemplateMsg()
         $gateway->send($phone, $message, $config);
     }
 
-    public function testBuildEndpoint()
+    public function test_build_endpoint()
     {
         $config = [
             'app_key' => 'mock-app-key',
@@ -201,7 +201,7 @@ public function testBuildEndpoint()
         );
     }
 
-    public function testBuildHeaders()
+    public function test_build_headers()
     {
         $config = [
             'app_key' => 'mock-app-key',
@@ -223,7 +223,7 @@ public function testBuildHeaders()
         $this->assertSame($checkSum, $headers['CheckSum']);
     }
 
-    public function testBuildSendCodeParams()
+    public function test_build_send_code_params()
     {
         $config = [
             'app_key' => 'mock-app-key',
@@ -259,7 +259,7 @@ public function testBuildSendCodeParams()
         ], $method->invoke($gateway, $phone, $message, $config));
     }
 
-    public function testBuildVerifyCodeParams()
+    public function test_build_verify_code_params()
     {
         $config = [
             'app_key' => 'mock-app-key',
diff --git a/tests/Gateways/YunzhixunGatewayTest.php b/tests/Gateways/YunzhixunGatewayTest.php
index fa270ad..72e02e2 100755
--- a/tests/Gateways/YunzhixunGatewayTest.php
+++ b/tests/Gateways/YunzhixunGatewayTest.php
@@ -20,7 +20,7 @@
 
 class YunzhixunGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'sid' => 'mock-sid',
@@ -65,7 +65,7 @@ public function testSend()
         $this->assertSame('mock-result', $gateway->send($phone, $message, $config));
     }
 
-    public function testSendWithBatch()
+    public function test_send_with_batch()
     {
         $config = [
             'sid' => 'mock-sid',
@@ -112,7 +112,7 @@ public function testSendWithBatch()
         $this->assertSame('mock-result', $gateway->send($phone, $message, $config));
     }
 
-    public function testBuildEndpoint()
+    public function test_build_endpoint()
     {
         $config = [
             'sid' => 'mock-sid',
@@ -141,7 +141,7 @@ public function testBuildEndpoint()
         );
     }
 
-    public function testBuildParams()
+    public function test_build_params()
     {
         $config = [
             'sid' => 'mock-sid',
@@ -190,7 +190,7 @@ public function testBuildParams()
         ], $method->invoke($gateway, $phone, $message, $config));
     }
 
-    public function testExecute()
+    public function test_execute()
     {
         $config = [
             'sid' => 'mock-sid',
diff --git a/tests/Gateways/ZzyunGatewayTest.php b/tests/Gateways/ZzyunGatewayTest.php
index e2f1c8f..0073b15 100644
--- a/tests/Gateways/ZzyunGatewayTest.php
+++ b/tests/Gateways/ZzyunGatewayTest.php
@@ -20,7 +20,7 @@
 
 class ZzyunGatewayTest extends TestCase
 {
-    public function testSend()
+    public function test_send()
     {
         $config = [
             'user_id' => 'mock-user_id',
diff --git a/tests/PhoneNumberTest.php b/tests/PhoneNumberTest.php
index fbf5fdd..23aafc7 100644
--- a/tests/PhoneNumberTest.php
+++ b/tests/PhoneNumberTest.php
@@ -20,7 +20,7 @@
  */
 class PhoneNumberTest extends TestCase
 {
-    public function testOnlyNumber()
+    public function test_only_number()
     {
         $n = new PhoneNumber(18888888888);
         $this->assertSame(18888888888, $n->getNumber());
@@ -30,7 +30,7 @@ public function testOnlyNumber()
         $this->assertSame('18888888888', \strval($n));
     }
 
-    public function testDiffCode()
+    public function test_diff_code()
     {
         $n = new PhoneNumber(18888888888, 68);
         $this->assertSame(68, $n->getIDDCode());
@@ -42,13 +42,13 @@ public function testDiffCode()
         $this->assertSame(68, $n->getIDDCode());
     }
 
-    public function testJsonEncode()
+    public function test_json_encode()
     {
         $n = new PhoneNumber(18888888888, 68);
         $this->assertSame(json_encode(['number' => $n->getUniversalNumber()]), \json_encode(['number' => $n]));
     }
 
-    public function testInternationalFormat()
+    public function test_international_format()
     {
         // Test international format with +
         $n = new PhoneNumber('+8618888888888');
@@ -58,7 +58,7 @@ public function testInternationalFormat()
         $this->assertSame('008618888888888', $n->getZeroPrefixedNumber());
     }
 
-    public function testInternationalFormatWithoutPlus()
+    public function test_international_format_without_plus()
     {
         // Test international format starting with 00
         $n = new PhoneNumber('008618888888888');
@@ -67,7 +67,7 @@ public function testInternationalFormatWithoutPlus()
         $this->assertSame('+8618888888888', $n->getUniversalNumber());
     }
 
-    public function testDifferentCountries()
+    public function test_different_countries()
     {
         // Test US number
         $n = new PhoneNumber('+1 650 253 0000');
@@ -85,7 +85,7 @@ public function testDifferentCountries()
         $this->assertSame('+441174960123', $n->getUniversalNumber());
     }
 
-    public function testChineseMainlandCheck()
+    public function test_chinese_mainland_check()
     {
         $n = new PhoneNumber(18888888888);
         $this->assertTrue($n->inChineseMainland());
diff --git a/tests/Support/ConfigTest.php b/tests/Support/ConfigTest.php
index a79508f..d696d73 100644
--- a/tests/Support/ConfigTest.php
+++ b/tests/Support/ConfigTest.php
@@ -16,7 +16,7 @@
 
 class ConfigTest extends TestCase
 {
-    public function testConfig()
+    public function test_config()
     {
         $config = new Config([
             'foo' => 'bar',
diff --git a/tests/Traits/HasHttpRequestTest.php b/tests/Traits/HasHttpRequestTest.php
index 638001d..2be9b33 100644
--- a/tests/Traits/HasHttpRequestTest.php
+++ b/tests/Traits/HasHttpRequestTest.php
@@ -19,16 +19,16 @@
 
 class HasHttpRequestTest extends TestCase
 {
-    public function testRequest()
+    public function test_request()
     {
         $object = \Mockery::mock(DummyClassForHasHttpRequestTrait::class)
-                ->shouldAllowMockingProtectedMethods();
+            ->shouldAllowMockingProtectedMethods();
         $mockBaseOptions = ['base_uri' => 'https://mock-base-options'];
         $mockResponse = \Mockery::mock(ResponseInterface::class);
         $mockHttpClient = \Mockery::mock(Client::class);
         $object->expects()->getHttpClient($mockBaseOptions)
-                ->andReturn($mockHttpClient)
-                ->once();
+            ->andReturn($mockHttpClient)
+            ->once();
         $object->expects()->getBaseOptions()->andReturn($mockBaseOptions);
         $object->expects()->unwrapResponse($mockResponse)->andReturn('unwrapped-api-result');
 
@@ -39,10 +39,10 @@ public function testRequest()
         $this->assertSame('unwrapped-api-result', $object->request('get', 'mock-endpoint', $options));
     }
 
-    public function testGet()
+    public function test_get()
     {
         $object = \Mockery::mock(DummyClassForHasHttpRequestTrait::class)
-                ->shouldAllowMockingProtectedMethods();
+            ->shouldAllowMockingProtectedMethods();
         $object->expects()->request('get', 'mock-endpoint', [
             'headers' => ['Content-Type' => 'Mock-Content-Type'],
             'query' => ['foo' => 'bar'],
@@ -54,7 +54,7 @@ public function testGet()
         $this->assertSame('mock-result', $response);
     }
 
-    public function testPost()
+    public function test_post()
     {
         $object = \Mockery::mock(DummyClassForHasHttpRequestTrait::class)
             ->shouldAllowMockingProtectedMethods();
@@ -69,11 +69,11 @@ public function testPost()
         $this->assertSame('mock-result', $response);
     }
 
-    public function testGetBaseOptions()
+    public function test_get_base_options()
     {
         $object = \Mockery::mock(DummyClassForHasHttpRequestTrait::class)
-                ->makePartial()
-                ->shouldAllowMockingProtectedMethods();
+            ->makePartial()
+            ->shouldAllowMockingProtectedMethods();
         $object->shouldReceive('getBaseOptions')->withAnyArgs()->passthru();
 
         $this->assertSame('http://mock-uri', $object->getBaseOptions()['base_uri']);
@@ -81,15 +81,15 @@ public function testGetBaseOptions()
 
         // timeout overwrite
         $object = \Mockery::mock(DummyTimeoutClassForHasHttpRequestTrait::class)
-                ->makePartial()
-                ->shouldAllowMockingProtectedMethods();
+            ->makePartial()
+            ->shouldAllowMockingProtectedMethods();
         $object->shouldReceive('getBaseOptions')->withAnyArgs()->passthru();
 
         $this->assertSame('http://mock-uri', $object->getBaseOptions()['base_uri']);
         $this->assertSame(30.0, $object->getBaseOptions()['timeout']);
     }
 
-    public function testUnwrapResponseWithJsonResponse()
+    public function test_unwrap_response_with_json_response()
     {
         $object = \Mockery::mock(DummyClassForHasHttpRequestTrait::class)
             ->makePartial()
@@ -102,7 +102,7 @@ public function testUnwrapResponseWithJsonResponse()
         $this->assertSame($body, $object->unwrapResponse($response));
     }
 
-    public function testUnwrapResponseWithXMLResponse()
+    public function test_unwrap_response_with_xml_response()
     {
         $object = \Mockery::mock(DummyClassForHasHttpRequestTrait::class)
             ->makePartial()
@@ -118,7 +118,7 @@ public function testUnwrapResponseWithXMLResponse()
         $this->assertSame(['foo' => 'hello', 'bar' => 'world'], $object->unwrapResponse($response));
     }
 
-    public function testUnwrapResponseWithUnsupportedResponse()
+    public function test_unwrap_response_with_unsupported_response()
     {
         $object = \Mockery::mock(DummyClassForHasHttpRequestTrait::class)
             ->makePartial()