diff --git a/src/nacos/publish/nacos.php b/src/nacos/publish/nacos.php
index 7e1c64211..de1f0fdbc 100644
--- a/src/nacos/publish/nacos.php
+++ b/src/nacos/publish/nacos.php
@@ -1,10 +1,14 @@
 <?php
-/**
- * Nacos doc
- *
- * @link https://nacos.io/zh-cn/docs/open-api.html
- */
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 return [
     'host' => '127.0.0.1',
     'port' => '8848',
@@ -45,5 +49,5 @@ return [
         ],
     ],
     // 负载策略 random, RoundRobin, WeightedRandom, WeightedRoundRobin
-    'loadBalancer' => 'random'
+    'loadBalancer' => 'random',
 ];
diff --git a/src/nacos/src/Config/FetchConfigProcess.php b/src/nacos/src/Config/FetchConfigProcess.php
index 350936bbc..390f8e3d2 100644
--- a/src/nacos/src/Config/FetchConfigProcess.php
+++ b/src/nacos/src/Config/FetchConfigProcess.php
@@ -1,5 +1,14 @@
 <?php
-declare(strict_types = 1);
+
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Config;
 
 use Hyperf\Nacos\Util\RemoteConfig;
@@ -40,6 +49,6 @@ class FetchConfigProcess extends AbstractProcess
 
     public function isEnable(): bool
     {
-        return (bool)config('nacos.configReloadInterval', false);
+        return (bool) config('nacos.configReloadInterval', false);
     }
 }
diff --git a/src/nacos/src/Config/OnPipeMessageListener.php b/src/nacos/src/Config/OnPipeMessageListener.php
index ab0d9df6a..d1371b4f3 100644
--- a/src/nacos/src/Config/OnPipeMessageListener.php
+++ b/src/nacos/src/Config/OnPipeMessageListener.php
@@ -1,7 +1,14 @@
 <?php
 
-declare(strict_types = 1);
-
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Config;
 
 use Hyperf\Contract\ConfigInterface;
diff --git a/src/nacos/src/Config/PipeMessage.php b/src/nacos/src/Config/PipeMessage.php
index 5f8f29eab..d38685037 100644
--- a/src/nacos/src/Config/PipeMessage.php
+++ b/src/nacos/src/Config/PipeMessage.php
@@ -1,7 +1,14 @@
 <?php
 
-declare(strict_types = 1);
-
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Config;
 
 class PipeMessage
diff --git a/src/nacos/src/ConfigProvider.php b/src/nacos/src/ConfigProvider.php
index e175e4f2c..54430c219 100644
--- a/src/nacos/src/ConfigProvider.php
+++ b/src/nacos/src/ConfigProvider.php
@@ -1,5 +1,14 @@
 <?php
-declare(strict_types = 1);
+
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos;
 
 use Hyperf\Nacos\Config\FetchConfigProcess;
diff --git a/src/nacos/src/Helper/func.php b/src/nacos/src/Helper/func.php
index 068db5377..5ae06e239 100644
--- a/src/nacos/src/Helper/func.php
+++ b/src/nacos/src/Helper/func.php
@@ -1,19 +1,28 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 use Hyperf\Utils\ApplicationContext;
 
-if (!function_exists('container')) {
+if (! function_exists('container')) {
     function container(string $id)
     {
         return ApplicationContext::getContainer()->get($id);
     }
 }
 
-if (!function_exists('is_json_str')) {
+if (! function_exists('is_json_str')) {
     function is_json_str($string)
     {
         json_decode($string);
-        return (json_last_error() == JSON_ERROR_NONE);
+        return json_last_error() == JSON_ERROR_NONE;
     }
 }
 
@@ -34,6 +43,5 @@ function xml2array($xml_string)
         return [];
     }
 
-    return (array)@simplexml_load_string($xml_string, 'SimpleXMLElement', LIBXML_NOCDATA);
+    return (array) @simplexml_load_string($xml_string, 'SimpleXMLElement', LIBXML_NOCDATA);
 }
-
diff --git a/src/nacos/src/Lib/AbstractNacos.php b/src/nacos/src/Lib/AbstractNacos.php
index c58b296d7..cb8386548 100644
--- a/src/nacos/src/Lib/AbstractNacos.php
+++ b/src/nacos/src/Lib/AbstractNacos.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Lib;
 
 use Hyperf\Nacos\Util\Guzzle;
diff --git a/src/nacos/src/Lib/NacosConfig.php b/src/nacos/src/Lib/NacosConfig.php
index c9c4c58c4..1df06b16e 100644
--- a/src/nacos/src/Lib/NacosConfig.php
+++ b/src/nacos/src/Lib/NacosConfig.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Lib;
 
 use Hyperf\Nacos\Model\ConfigModel;
@@ -14,7 +23,7 @@ class NacosConfig extends AbstractNacos
     public function set(ConfigModel $configModel)
     {
         $headers = [
-            'Content-Type' => 'application/x-www-form-urlencoded'
+            'Content-Type' => 'application/x-www-form-urlencoded',
         ];
 
         return $this->request('POST', '/nacos/v1/cs/configs', $configModel->toArray(), $headers);
diff --git a/src/nacos/src/Lib/NacosInstance.php b/src/nacos/src/Lib/NacosInstance.php
index e6a0e7063..c351f1fef 100644
--- a/src/nacos/src/Lib/NacosInstance.php
+++ b/src/nacos/src/Lib/NacosInstance.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Lib;
 
 use Hyperf\LoadBalancer\Node;
@@ -9,7 +18,6 @@ use Hyperf\LoadBalancer\WeightedRandom;
 use Hyperf\LoadBalancer\WeightedRoundRobin;
 use Hyperf\Nacos\Model\InstanceModel;
 use Hyperf\Nacos\Model\ServiceModel;
-use Hyperf\Utils\Arr;
 
 class NacosInstance extends AbstractNacos
 {
@@ -50,7 +58,7 @@ class NacosInstance extends AbstractNacos
     {
         $list = $this->list($serviceModel, $clusters, true);
         $instance = $list['hosts'] ?? [];
-        if (!$instance) {
+        if (! $instance) {
             return false;
         }
         $enabled = array_filter($instance, function ($item) {
@@ -62,6 +70,34 @@ class NacosInstance extends AbstractNacos
         return $this->loadBalancer($enabled, $tactics);
     }
 
+    public function detail(InstanceModel $instanceModel)
+    {
+        return $this->request('GET', "/nacos/v1/ns/instance?{$instanceModel}");
+    }
+
+    public function beat(ServiceModel $serviceModel, InstanceModel $instanceModel)
+    {
+        $serviceName = $serviceModel->serviceName;
+        $groupName = $serviceModel->groupName;
+        $ephemeral = $instanceModel->ephemeral;
+        $params = array_filter(compact('serviceName', 'beat', 'groupName', 'ephemeral'), function ($item) {
+            return $item !== null;
+        });
+        $params['beat'] = $instanceModel->toJson();
+        $params_str = http_build_query($params);
+
+        return $this->request('PUT', "/nacos/v1/ns/instance/beat?{$params_str}");
+    }
+
+    public function upHealth(InstanceModel $instanceModel)
+    {
+        if ($instanceModel->healthy === null) {
+            $instanceModel->healthy = true;
+        }
+
+        return $this->request('PUT', "/nacos/v1/ns/health/instance?{$instanceModel}") == 'ok';
+    }
+
     protected function loadBalancer($nodes, $tactics = 'random')
     {
         $load_nodes = [];
@@ -92,32 +128,4 @@ class NacosInstance extends AbstractNacos
 
         return $nacos_nodes["{$select->host}:{$select->port}"];
     }
-
-    public function detail(InstanceModel $instanceModel)
-    {
-        return $this->request('GET', "/nacos/v1/ns/instance?{$instanceModel}");
-    }
-
-    public function beat(ServiceModel $serviceModel, InstanceModel $instanceModel)
-    {
-        $serviceName = $serviceModel->serviceName;
-        $groupName = $serviceModel->groupName;
-        $ephemeral = $instanceModel->ephemeral;
-        $params = array_filter(compact('serviceName', 'beat', 'groupName', 'ephemeral'), function ($item) {
-            return $item !== null;
-        });
-        $params['beat'] = $instanceModel->toJson();
-        $params_str = http_build_query($params);
-
-        return $this->request('PUT', "/nacos/v1/ns/instance/beat?{$params_str}");
-    }
-
-    public function upHealth(InstanceModel $instanceModel)
-    {
-        if ($instanceModel->healthy === null) {
-            $instanceModel->healthy = true;
-        }
-
-        return $this->request('PUT', "/nacos/v1/ns/health/instance?{$instanceModel}") == 'ok';
-    }
 }
diff --git a/src/nacos/src/Lib/NacosOperator.php b/src/nacos/src/Lib/NacosOperator.php
index 8ace72efa..7f53c99a1 100644
--- a/src/nacos/src/Lib/NacosOperator.php
+++ b/src/nacos/src/Lib/NacosOperator.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Lib;
 
 class NacosOperator extends AbstractNacos
diff --git a/src/nacos/src/Lib/NacosService.php b/src/nacos/src/Lib/NacosService.php
index b4c1cb680..ef794da6c 100644
--- a/src/nacos/src/Lib/NacosService.php
+++ b/src/nacos/src/Lib/NacosService.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Lib;
 
 use Hyperf\Nacos\Model\ServiceModel;
diff --git a/src/nacos/src/Listener/BootAppConfListener.php b/src/nacos/src/Listener/BootAppConfListener.php
index 24f645c07..9cbf53ae7 100644
--- a/src/nacos/src/Listener/BootAppConfListener.php
+++ b/src/nacos/src/Listener/BootAppConfListener.php
@@ -1,4 +1,14 @@
 <?php
+
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Listener;
 
 use Hyperf\Contract\ConfigInterface;
@@ -22,7 +32,7 @@ class BootAppConfListener implements ListenerInterface
 
     public function process(object $event)
     {
-        if (!config('nacos')) {
+        if (! config('nacos')) {
             return;
         }
         $logger = container(LoggerFactory::class)->get('nacos');
@@ -32,11 +42,10 @@ class BootAppConfListener implements ListenerInterface
         $instance = make(ThisInstance::class);
         /** @var NacosInstance $nacos_instance */
         $nacos_instance = make(NacosInstance::class);
-        if (!$nacos_instance->register($instance)) {
+        if (! $nacos_instance->register($instance)) {
             throw new \Exception("nacos register instance fail: {$instance}");
-        } else {
-            $logger->info('nacos register instance success!', compact('instance'));
         }
+        $logger->info('nacos register instance success!', compact('instance'));
 
         // 注册服务
         /** @var NacosService $nacos_service */
@@ -44,11 +53,10 @@ class BootAppConfListener implements ListenerInterface
         /** @var ServiceModel $service */
         $service = make(ServiceModel::class, ['config' => config('nacos.service')]);
         $exist = $nacos_service->detail($service);
-        if (!$exist && !$nacos_service->create($service)) {
+        if (! $exist && ! $nacos_service->create($service)) {
             throw new \Exception("nacos register service fail: {$service}");
-        } else {
-            $logger->info('nacos register service success!', compact('instance'));
         }
+        $logger->info('nacos register service success!', compact('instance'));
 
         $remote_config = RemoteConfig::get();
         /** @var \Hyperf\Config\Config $config */
diff --git a/src/nacos/src/Listener/OnShutdownListener.php b/src/nacos/src/Listener/OnShutdownListener.php
index c5a84e0f4..eebda6a9c 100644
--- a/src/nacos/src/Listener/OnShutdownListener.php
+++ b/src/nacos/src/Listener/OnShutdownListener.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Listener;
 
 use Hyperf\Event\Contract\ListenerInterface;
@@ -21,11 +30,11 @@ class OnShutdownListener implements ListenerInterface
 
     public function process(object $event)
     {
-        if (!config('nacos')) {
+        if (! config('nacos')) {
             return;
         }
 
-        if (!config('nacos.deleteServiceWhenShutdown', false)) {
+        if (! config('nacos.deleteServiceWhenShutdown', false)) {
             return;
         }
 
diff --git a/src/nacos/src/Model/AbstractModel.php b/src/nacos/src/Model/AbstractModel.php
index 410a120c3..0bd494e49 100644
--- a/src/nacos/src/Model/AbstractModel.php
+++ b/src/nacos/src/Model/AbstractModel.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Model;
 
 abstract class AbstractModel
@@ -15,6 +24,11 @@ abstract class AbstractModel
         }
     }
 
+    public function __toString()
+    {
+        return http_build_query($this->getParams());
+    }
+
     public function getParams()
     {
         $params = array_filter(get_object_vars($this), function ($item) {
@@ -25,17 +39,12 @@ abstract class AbstractModel
         sort($this->required_field);
         sort($intersect);
         if ($intersect !== $this->required_field) {
-            throw new \Exception("缺少关键信息" . implode(',', $this->required_field));
+            throw new \Exception('缺少关键信息' . implode(',', $this->required_field));
         }
 
         return $params;
     }
 
-    public function __toString()
-    {
-        return http_build_query($this->getParams());
-    }
-
     public function toJson()
     {
         return json_encode($this->getParams());
diff --git a/src/nacos/src/Model/ConfigModel.php b/src/nacos/src/Model/ConfigModel.php
index 4df9971aa..d233f7c1b 100644
--- a/src/nacos/src/Model/ConfigModel.php
+++ b/src/nacos/src/Model/ConfigModel.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Model;
 
 use Hyperf\Nacos\Lib\NacosConfig;
diff --git a/src/nacos/src/Model/InstanceModel.php b/src/nacos/src/Model/InstanceModel.php
index e360bb680..29c5a11cf 100644
--- a/src/nacos/src/Model/InstanceModel.php
+++ b/src/nacos/src/Model/InstanceModel.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Model;
 
 class InstanceModel extends AbstractModel
diff --git a/src/nacos/src/Model/ServiceModel.php b/src/nacos/src/Model/ServiceModel.php
index 0fd565c6d..3686289b5 100644
--- a/src/nacos/src/Model/ServiceModel.php
+++ b/src/nacos/src/Model/ServiceModel.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Model;
 
 class ServiceModel extends AbstractModel
diff --git a/src/nacos/src/Process/InstanceBeatProcess.php b/src/nacos/src/Process/InstanceBeatProcess.php
index 8570c8a5f..537bf138d 100644
--- a/src/nacos/src/Process/InstanceBeatProcess.php
+++ b/src/nacos/src/Process/InstanceBeatProcess.php
@@ -1,5 +1,14 @@
 <?php
-declare(strict_types = 1);
+
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Process;
 
 use Hyperf\Logger\LoggerFactory;
@@ -27,10 +36,9 @@ class InstanceBeatProcess extends AbstractProcess
             if ($send) {
                 $logger->info('nacos send beat success!', compact('instance'));
             } else {
-                $logger->error("nacos send beat fail}", compact('instance'));
+                $logger->error('nacos send beat fail}', compact('instance'));
             }
         }
-
     }
 
     public function isEnable(): bool
diff --git a/src/nacos/src/ThisInstance.php b/src/nacos/src/ThisInstance.php
index a16d48ece..36afc47db 100644
--- a/src/nacos/src/ThisInstance.php
+++ b/src/nacos/src/ThisInstance.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos;
 
 use Hyperf\Nacos\Model\InstanceModel;
@@ -11,7 +20,7 @@ class ThisInstance extends InstanceModel
         $this->ip = current(swoole_get_local_ip());
         $this->port = config('server.servers.0.port');
         $client = config('nacos.client', []);
-        if (!isset($client['serviceName'])) {
+        if (! isset($client['serviceName'])) {
             throw new \Exception('nacos.client.serviceName is required');
         }
         unset($client['ip'], $client['port']);
diff --git a/src/nacos/src/ThisService.php b/src/nacos/src/ThisService.php
index e353936b3..5d4ad866b 100644
--- a/src/nacos/src/ThisService.php
+++ b/src/nacos/src/ThisService.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos;
 
 use Hyperf\Nacos\Model\ServiceModel;
diff --git a/src/nacos/src/Util/Guzzle.php b/src/nacos/src/Util/Guzzle.php
index 15f2abc05..617519ec9 100644
--- a/src/nacos/src/Util/Guzzle.php
+++ b/src/nacos/src/Util/Guzzle.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Util;
 
 use GuzzleHttp\Client;
@@ -9,8 +18,6 @@ use Hyperf\Logger\LoggerFactory;
 class Guzzle
 {
     /**
-     * @param array $config
-     *
      * @return Client
      */
     public static function create(array $config = [])
@@ -45,7 +52,7 @@ class Guzzle
         if ($method == 'POST') {
             $options['headers']['Content-Type'] = $headers['Content-Type'] ?? 'application/json';
             if ($options['headers']['Content-Type'] == 'application/json' && $params) {
-                $options['body'] = \GuzzleHttp\json_encode($params ? $params : (object)[]);
+                $options['body'] = \GuzzleHttp\json_encode($params ? $params : (object) []);
             }
             if ($options['headers']['Content-Type'] == 'application/x-www-form-urlencoded' && $params) {
                 $options['form_params'] = $params;
@@ -71,7 +78,7 @@ class Guzzle
             $logger->get('api_request')->error($api, [
                 'method' => $method,
                 'options' => $options,
-                'exception' => (string)$e,
+                'exception' => (string) $e,
             ]);
 
             return false;
diff --git a/src/nacos/src/Util/RemoteConfig.php b/src/nacos/src/Util/RemoteConfig.php
index 4adc7c6df..a1d5d0188 100644
--- a/src/nacos/src/Util/RemoteConfig.php
+++ b/src/nacos/src/Util/RemoteConfig.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
 namespace Hyperf\Nacos\Util;
 
 use Hyperf\Nacos\Lib\NacosConfig;