diff --git a/src/ConfigProvider.php b/src/ConfigProvider.php
index 1776e44..8db8683 100644
--- a/src/ConfigProvider.php
+++ b/src/ConfigProvider.php
@@ -31,7 +31,7 @@ class ConfigProvider
             'publish' => [
                 [
                     'id' => 'config',
-                    'description' => 'The config for hyperf-ext/sms.',
+                    'description' => 'The config for zyimm/sms.',
                     'source' => __DIR__ . '/../publish/sms.php',
                     'destination' => BASE_PATH . '/config/autoload/sms.php',
                 ],
diff --git a/src/Events/SmsMessageSending.php b/src/Events/SmsMessageSending.php
index 11a6d13..e98daa5 100644
--- a/src/Events/SmsMessageSending.php
+++ b/src/Events/SmsMessageSending.php
@@ -1,13 +1,7 @@
 <?php
 
 declare(strict_types=1);
-/**
- * This file is part of hyperf-ext/sms.
- *
- * @link     https://github.com/hyperf-ext/sms
- * @contact  eric@zhu.email
- * @license  https://github.com/hyperf-ext/sms/blob/master/LICENSE
- */
+
 namespace Zyimm\Sms\Events;
 
 use Zyimm\Sms\Contracts\SmsableInterface;
@@ -19,7 +13,7 @@ class SmsMessageSending
      *
      * @var SmsableInterface
      */
-    public $smsable;
+    public SmsableInterface $smsable;
 
     /**
      * Create a new event instance.
diff --git a/src/Exceptions/StrategicallySendMessageException.php b/src/Exceptions/StrategicallySendMessageException.php
index af88c93..58ba561 100644
--- a/src/Exceptions/StrategicallySendMessageException.php
+++ b/src/Exceptions/StrategicallySendMessageException.php
@@ -13,7 +13,7 @@ class StrategicallySendMessageException extends RuntimeException
 
     public function __construct($message, Throwable $throwable)
     {
-        parent::__construct($message, 0);
+        parent::__construct($message, $throwable->getCode());
 
         $this->appendStack($throwable);
     }
diff --git a/src/PendingSms.php b/src/PendingSms.php
index e28ff51..a2d9b19 100644
--- a/src/PendingSms.php
+++ b/src/PendingSms.php
@@ -8,31 +8,37 @@ declare(strict_types=1);
  * @contact  eric@zhu.email
  * @license  https://github.com/hyperf-ext/sms/blob/master/LICENSE
  */
+
 namespace Zyimm\Sms;
 
 use Hyperf\Utils\ApplicationContext;
-use Zyimm\Sms\Contract\HasMobileNumber;
+use HyperfExt\Contract\HasMobileNumber;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
+use Zyimm\Sms\Contracts\MobileNumberInterface;
+use Zyimm\Sms\Contracts\SenderInterface;
 use Zyimm\Sms\Contracts\SmsableInterface;
 use Zyimm\Sms\Contracts\SmsManagerInterface;
+use Zyimm\Sms\Exceptions\InvalidMobileNumberException;
 
 class PendingSms
 {
     /**
      * The "to" recipient of the message.
      *
-     * @var \Zyimm\Sms\Contracts\MobileNumberInterface
+     * @var MobileNumberInterface
      */
-    protected $to;
+    protected MobileNumberInterface $to;
 
     /**
-     * @var \Zyimm\Sms\Contracts\SmsManagerInterface
+     * @var SmsManagerInterface
      */
-    protected $manger;
+    protected SmsManagerInterface $manger;
 
     /**
-     * @var \Zyimm\Sms\Contracts\SenderInterface
+     * @var SenderInterface
      */
-    protected $sender;
+    protected SenderInterface $sender;
 
     public function __construct(SmsManagerInterface $manger)
     {
@@ -42,13 +48,13 @@ class PendingSms
     /**
      * Set the recipients of the message.
      *
-     * @param \Zyimm\Sms\Contract\HasMobileNumber|string $number
-     * @param null|int|string $defaultRegion
+     * @param  HasMobileNumber|string  $number
+     * @param  null|int|string  $defaultRegion
      *
-     * @throws \Zyimm\Sms\Exceptions\InvalidMobileNumberException
      * @return $this
+     * @throws InvalidMobileNumberException
      */
-    public function to($number, $defaultRegion = null)
+    public function to($number, $defaultRegion = null): PendingSms
     {
         $number = $number instanceof HasMobileNumber ? $number->getMobileNumber() : $number;
 
@@ -60,9 +66,12 @@ class PendingSms
     /**
      * Set the sender of the SMS message.
      *
+     * @param  string  $name
      * @return $this
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
      */
-    public function sender(string $name)
+    public function sender(string $name): PendingSms
     {
         $this->sender = ApplicationContext::getContainer()->get(SmsManagerInterface::class)->get($name);
 
@@ -77,6 +86,18 @@ class PendingSms
         return $this->manger->sendNow($this->fill($smsable));
     }
 
+    /**
+     * Populate the SMS message with the addresses.
+     */
+    protected function fill(SmsableInterface $smsable): SmsableInterface
+    {
+        $smsable->to($this->to);
+        if ($this->sender) {
+            $smsable->sender($this->sender->getName());
+        }
+        return $smsable;
+    }
+
     /**
      * Send a new SMS message instance.
      *
@@ -102,16 +123,4 @@ class PendingSms
     {
         return $this->manger->later($this->fill($smsable), $delay, $queue);
     }
-
-    /**
-     * Populate the SMS message with the addresses.
-     */
-    protected function fill(SmsableInterface $smsable): SmsableInterface
-    {
-        $smsable->to($this->to);
-        if ($this->sender) {
-            $smsable->sender($this->sender->getName());
-        }
-        return $smsable;
-    }
 }
diff --git a/src/QueuedSmsableJob.php b/src/QueuedSmsableJob.php
index 3addeca..a324b4f 100644
--- a/src/QueuedSmsableJob.php
+++ b/src/QueuedSmsableJob.php
@@ -16,9 +16,9 @@ use Zyimm\Sms\Contracts\SmsableInterface;
 class QueuedSmsableJob extends Job
 {
     /**
-     * @var \Zyimm\Sms\Contracts\SmsableInterface
+     * @var SmsableInterface
      */
-    public $smsable;
+    public SmsableInterface $smsable;
 
     public function __construct(SmsableInterface $smsable)
     {