diff --git a/layerdiff.php b/layerdiff.php
index de8101be..58f1dd19 100644
--- a/layerdiff.php
+++ b/layerdiff.php
@@ -89,12 +89,12 @@ foreach (['methods', 'constructors'] as $type) {
 
             $url = getUrl($name, $type);
             foreach ($final_new_args as $name => $ttype) {
-                if (!isset($final_old_args[$name])) {
+                if (!isset($final_old_args[$name]) && $name !== 'flags') {
                     $res .= "Added $name param to $url\n";
                 }
             }
             foreach ($final_old_args as $name => $ttype) {
-                if (!isset($final_new_args[$name])) {
+                if (!isset($final_new_args[$name]) && $name !== 'flags') {
                     $res .= "Removed $name param from $url\n";
                 }
             }
diff --git a/src/danog/MadelineProto/DataCenter.php b/src/danog/MadelineProto/DataCenter.php
index 299e2ae1..c6dc9369 100644
--- a/src/danog/MadelineProto/DataCenter.php
+++ b/src/danog/MadelineProto/DataCenter.php
@@ -55,6 +55,7 @@ use danog\MadelineProto\Stream\Transport\WssStream;
 use danog\MadelineProto\Stream\Transport\WsStream;
 use function Amp\call;
 use function Amp\Socket\Internal\parseUri;
+use Amp\Artax\Cookie\CookieJar;
 
 /**
  * Manages datacenters.
@@ -71,13 +72,14 @@ class DataCenter
     private $HTTPClient;
     private $DoHClient;
     private $NonProxiedDoHClient;
+    private $CookieJar;
 
     public function __sleep()
     {
         return ['sockets', 'curdc', 'dclist', 'settings'];
     }
 
-    public function __magic_construct($API, $dclist, $settings)
+    public function __magic_construct($API, $dclist, $settings, CookieJar $jar = null)
     {
         $this->API = $API;
         $this->dclist = $dclist;
@@ -92,10 +94,11 @@ class DataCenter
                 unset($this->sockets[$key]);
             }
         }
-        $this->HTTPClient = new DefaultClient(new ArrayCookieJar(), new HttpSocketPool(new ProxySocketPool([$this, 'rawConnectAsync'])));
+        $this->CookieJar = $jar ?? new ArrayCookieJar;
+        $this->HTTPClient = new DefaultClient($this->CookieJar, new HttpSocketPool(new ProxySocketPool([$this, 'rawConnectAsync'])));
 
         $DoHHTTPClient = new DefaultClient(
-            new ArrayCookieJar(), 
+            $this->CookieJar, 
             new HttpSocketPool(
                 new ProxySocketPool(
                     function (string $uri, CancellationToken $token = null, ClientConnectContext $ctx = null) {
@@ -679,6 +682,16 @@ class DataCenter
     {
         return $this->HTTPClient;
     }
+
+    /**
+     * Get Artax async HTTP client.
+     *
+     * @return \Amp\Artax\CookieJar
+     */
+    public function getCookieJar(): CookieJar
+    {
+        return $this->CookieJar;
+    }
     /**
      * Get DNS over HTTPS async DNS client.
      *
diff --git a/src/danog/MadelineProto/MyTelegramOrgWrapper.php b/src/danog/MadelineProto/MyTelegramOrgWrapper.php
index 76ec2399..638a9c8e 100644
--- a/src/danog/MadelineProto/MyTelegramOrgWrapper.php
+++ b/src/danog/MadelineProto/MyTelegramOrgWrapper.php
@@ -19,6 +19,7 @@
 namespace danog\MadelineProto;
 
 use Amp\Artax\Request;
+use Amp\Artax\Cookie\ArrayCookieJar;
 
 /**
  * Wrapper for my.telegram.org.
@@ -29,16 +30,16 @@ class MyTelegramOrgWrapper
 
     private $logged = false;
     private $hash = '';
-    private $token;
     private $number;
     private $creation_hash;
     private $settings = [];
     private $async = true;
+    private $jar;
     const MY_TELEGRAM_URL = 'https://my.telegram.org';
 
     public function __sleep()
     {
-        return ['logged', 'hash', 'token', 'number', 'creation_hash', 'settings', 'async'];
+        return ['logged', 'hash', 'number', 'creation_hash', 'settings', 'async', 'jar'];
     }
 
     public function __construct($settings = [])
@@ -52,6 +53,9 @@ class MyTelegramOrgWrapper
         if ($this->settings === null) {
             $this->settings = [];
         }
+        if (!$this->jar) {
+            $this->jar = new ArrayCookieJar;
+        }
         $this->settings = MTProto::getSettings($this->settings);
         $this->datacenter = new DataCenter(
             new class($this->settings)
@@ -62,7 +66,8 @@ class MyTelegramOrgWrapper
                 }
             },
             [],
-            $this->settings['connection_settings']
+            $this->settings['connection_settings'],
+            $this->jar
         );
     }
 
@@ -94,7 +99,8 @@ class MyTelegramOrgWrapper
         $request = $request->withHeader('user-agent', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13');
         $response = yield $this->datacenter->getHTTPClient()->request($request);
         $result = yield $response->getBody();
-
+        
+        
         switch ($result) {
             case 'true':
                 //Logger::log(['Login OK'], Logger::VERBOSE);
@@ -103,8 +109,6 @@ class MyTelegramOrgWrapper
                 throw new Exception($result);
         }
 
-        $this->token = explode(';', explode('stel_token=', $response->getHeader('Set-Cookie'))[1])[0];
-
         return $this->logged = true;
     }
 
@@ -126,13 +130,16 @@ class MyTelegramOrgWrapper
 
         $title = explode('</title>', explode('<title>', $result)[1])[0];
         switch ($title) {
-            case 'App configuration':return true;
+            case 'App configuration':
+                return true;
             case 'Create new application':
                 $this->creation_hash = explode('"/>', explode('<input type="hidden" name="hash" value="', $result)[1])[0];
 
                 return false;
         }
 
+        $this->logged = false;
+        
         throw new Exception($title);
     }
 
@@ -169,7 +176,7 @@ class MyTelegramOrgWrapper
         if (yield $this->has_app_async()) {
             throw new Exception('The app was already created!');
         }
-
+        
         $request = new Request(self::MY_TELEGRAM_URL.'/apps/create', 'POST');
         $request = $request->withHeaders($this->getHeaders('app'));
         $request = $request->withBody(http_build_query(['hash' => $this->creation_hash, 'app_title' => $settings['app_title'], 'app_shortname' => $settings['app_shortname'], 'app_url' => $settings['app_url'], 'app_platform' => $settings['app_platform'], 'app_desc' => $settings['app_desc']]));
@@ -177,7 +184,7 @@ class MyTelegramOrgWrapper
         $result = yield $response->getBody();
 
         if ($result) {
-            throw new Exception($result);
+            throw new Exception(html_entity_decode($result));
         }
 
         $request = new Request(self::MY_TELEGRAM_URL.'/apps');