diff --git a/README.md b/README.md
index 2dbc17b..8b23fe9 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ A bitbucket cli tool.
 ## Installation
 
 ```bash
-$ sudo curl -#fLo /usr/local/bin/bitbucket https://github.com/NINEJKH/bitbucket-cli/releases/download/0.0.3/bitbucket.phar && sudo chmod +x /usr/local/bin/bitbucket
+$ curl -#fL "$(curl -s https://api.github.com/repos/NINEJKH/bitbucket-cli/releases/latest | grep 'browser_download_url' | sed -n 's/.*"\(http.*\)".*/\1/p')" | sudo tee /usr/local/bin/bitbucket > /dev/null && sudo chmod +x /usr/local/bin/bitbucket
 ```
 
 ## Auth
diff --git a/app/Commands/BitbucketCommand.php b/app/Commands/BitbucketCommand.php
index db88fd0..4e9efd0 100644
--- a/app/Commands/BitbucketCommand.php
+++ b/app/Commands/BitbucketCommand.php
@@ -11,10 +11,13 @@ abstract class BitbucketCommand extends Command
     protected function throwApiResponseError(MessageInterface $message)
     {
         $error_message = $message->getContent();
+
         if (preg_match('~^{.*}$~', $error_message)) {
             $error_message = json_decode($error_message, true);
-            if (!empty($error_message['error'])) {
+            if (!empty($error_message['error']) && !empty($error_message['error']['detail'])) {
                 $error_message = sprintf('[%s]%s%s', $error_message['error']['message'], PHP_EOL, $error_message['error']['detail']);
+            } elseif (!empty($error_message['error'])) {
+                $error_message = sprintf('%s', $error_message['error']['message']);
             }
         }
 
diff --git a/app/Commands/Repositories/PullRequests/UpdateDescriptionCommand.php b/app/Commands/Repositories/PullRequests/UpdateDescriptionCommand.php
index 814d6cd..3f07c46 100644
--- a/app/Commands/Repositories/PullRequests/UpdateDescriptionCommand.php
+++ b/app/Commands/Repositories/PullRequests/UpdateDescriptionCommand.php
@@ -55,6 +55,11 @@ protected function execute(InputInterface $input, OutputInterface $output)
             ]
         ];
 
+        if (!empty($current_pr['reviewers'])) {
+            $payload['reviewers'] = $current_pr['reviewers'];
+        }
+
+        $pull = $this->create();
         $pr = $pull->update($username, $repo_slug, $input->getArgument('pull_request_id'), $payload);
 
         if (!$pr->isOk()) {
diff --git a/app/Commands/Repositories/PullRequestsCommand.php b/app/Commands/Repositories/PullRequestsCommand.php
index 8384566..94205ee 100644
--- a/app/Commands/Repositories/PullRequestsCommand.php
+++ b/app/Commands/Repositories/PullRequestsCommand.php
@@ -4,20 +4,29 @@
 
 use App\Commands\BitbucketCommand;
 use App\Providers\BitbucketConfigProvider;
-use Bitbucket\API\Http\Listener\BasicAuthListener;
 use Bitbucket\API\Repositories\PullRequests;
 
 abstract class PullRequestsCommand extends BitbucketCommand
 {
     protected function create()
     {
-        $bitbucket_config = new BitbucketConfigProvider;
-
         $pull = new PullRequests;
-        $pull->getClient()->addListener(
-            new BasicAuthListener($bitbucket_config->getBasicAuthUsername(), $bitbucket_config->getBasicAuthPassword())
-        );
+        $pull->getClient()->addListener($this->createAuthListener());
 
         return $pull;
     }
+
+    protected function createAuthListener()
+    {
+        $bitbucket_config = new BitbucketConfigProvider;
+
+        if ($bitbucket_config->hasOAuth2()) {
+            return new \Bitbucket\API\Http\Listener\OAuth2Listener([
+                'client_id' => $bitbucket_config->getOAuth2Id(),
+                'client_secret' => $bitbucket_config->getOAuth2Secret(),
+            ]);
+        } elseif ($bitbucket_config->hasBasicAuth()) {
+            return new \Bitbucket\API\Http\Listener\BasicAuthListener($bitbucket_config->getBasicAuthUsername(), $bitbucket_config->getBasicAuthPassword());
+        }
+    }
 }
diff --git a/app/Providers/BitbucketConfigProvider.php b/app/Providers/BitbucketConfigProvider.php
index 2d4fd3e..dbe3248 100644
--- a/app/Providers/BitbucketConfigProvider.php
+++ b/app/Providers/BitbucketConfigProvider.php
@@ -13,6 +13,30 @@ public function __construct()
         }
     }
 
+    public function hasOAuth2()
+    {
+        return (bool) isset(static::$config['auth']['client_id'], static::$config['auth']['client_secret']);
+    }
+
+    public function hasBasicAuth()
+    {
+        return (bool) isset(static::$config['auth']['username'], static::$config['auth']['password']);
+    }
+
+    public function getOAuth2Id()
+    {
+        if (isset(static::$config['auth']['client_id'])) {
+            return static::$config['auth']['client_id'];
+        }
+    }
+
+    public function getOAuth2Secret()
+    {
+        if (isset(static::$config['auth']['client_secret'])) {
+            return static::$config['auth']['client_secret'];
+        }
+    }
+
     public function getBasicAuthUsername()
     {
         if (isset(static::$config['auth']['username'])) {