diff --git a/bot.php b/bot.php
index 4b0069dc..b82dc80f 100755
--- a/bot.php
+++ b/bot.php
@@ -44,7 +44,7 @@ class EventHandler extends \danog\MadelineProto\EventHandler
         try {
             yield $this->messages->sendMessage(['peer' => $update, 'message' => "<code>$res</code>", 'reply_to_msg_id' => isset($update['message']['id']) ? $update['message']['id'] : null, 'parse_mode' => 'HTML']); //'entities' => [['_' => 'messageEntityPre', 'offset' => 0, 'length' => strlen($res), 'language' => 'json']]]);
             if (isset($update['message']['media']) && $update['message']['media']['_'] !== 'messageMediaGame') {
-                yield $this->messages->sendMedia(['peer' => $update, 'message' => $update['message']['message'], 'media' => $media]);
+                yield $this->messages->sendMedia(['peer' => $update, 'message' => $update['message']['message'], 'media' => $update]);
                 /*    '_' => 'inputMediaUploadedDocument',
                     'file' => $update,
                     'attributes' => [
diff --git a/docs b/docs
index 8f6784ad..c60f59ff 160000
--- a/docs
+++ b/docs
@@ -1 +1 @@
-Subproject commit 8f6784adf5bca1dbab98ba1ec69ab52050633ca1
+Subproject commit c60f59ffe2ee74d6fb50cd96651e4ae234dbb6ea
diff --git a/src/danog/MadelineProto/DataCenterConnection.php b/src/danog/MadelineProto/DataCenterConnection.php
index 08736ca9..a71894cb 100644
--- a/src/danog/MadelineProto/DataCenterConnection.php
+++ b/src/danog/MadelineProto/DataCenterConnection.php
@@ -213,6 +213,9 @@ class DataCenterConnection implements JsonSerializable
      */
     public function bind(bool $pfs = true)
     {
+        if (!$pfs && !$this->tempAuthKey) {
+            $this->tempAuthKey = new TempAuthKey();
+        }
         $this->tempAuthKey->bind($this->permAuthKey, $pfs);
     }
     /**
@@ -326,12 +329,10 @@ class DataCenterConnection implements JsonSerializable
         $this->decRead = $media ? self::READ_WEIGHT_MEDIA : self::READ_WEIGHT;
         $this->decWrite = self::WRITE_WEIGHT;
 
-        if ($id === -1 || !isset($this->connections[$id])) {
-            $this->connections = [];
-            $this->availableConnections = [];
-
+        if ($id === -1) {
             yield $this->connectMore($count);
         } else {
+            $this->availableConnections[$id] = 0;
             yield $this->connections[$id]->connect($ctx);
         }
     }
diff --git a/src/danog/MadelineProto/MTProtoSession/CallHandler.php b/src/danog/MadelineProto/MTProtoSession/CallHandler.php
index 41ccf53c..53081f00 100644
--- a/src/danog/MadelineProto/MTProtoSession/CallHandler.php
+++ b/src/danog/MadelineProto/MTProtoSession/CallHandler.php
@@ -23,6 +23,8 @@ use Amp\Deferred;
 use Amp\Promise;
 use Amp\Success;
 use danog\MadelineProto\Async\Parameters;
+use danog\MadelineProto\Tools;
+
 use function Amp\Promise\all;
 
 /**
@@ -149,7 +151,7 @@ trait CallHandler
             if (isset($args['multiple'])) {
                 $aargs['multiple'] = true;
             }
-            if (isset($args['message']) && \is_string($args['message']) && \mb_strlen($args['message'], 'UTF-8') > (yield $this->API->get_config_async())['message_length_max'] && \mb_strlen((yield $this->parse_mode_async($args))['message'], 'UTF-8') > (yield $this->API->get_config_async())['message_length_max']) {
+            if (isset($args['message']) && \is_string($args['message']) && \mb_strlen($args['message'], 'UTF-8') > (yield $this->API->get_config_async())['message_length_max'] && \mb_strlen((yield $this->API->parse_mode_async($args))['message'], 'UTF-8') > (yield $this->API->get_config_async())['message_length_max']) {
                 $args = yield $this->split_to_chunks_async($args);
                 $promises = [];
                 $aargs['queue'] = $method;
@@ -175,7 +177,7 @@ trait CallHandler
             }
             $args = yield $this->API->botAPI_to_MTProto_async($args);
             if (isset($args['ping_id']) && \is_int($args['ping_id'])) {
-                $args['ping_id'] = $this->pack_signed_long($args['ping_id']);
+                $args['ping_id'] = Tools::pack_signed_long($args['ping_id']);
             }
         }
 
diff --git a/src/danog/MadelineProto/MTProtoSession/ResponseHandler.php b/src/danog/MadelineProto/MTProtoSession/ResponseHandler.php
index c6ee574b..faa970a2 100644
--- a/src/danog/MadelineProto/MTProtoSession/ResponseHandler.php
+++ b/src/danog/MadelineProto/MTProtoSession/ResponseHandler.php
@@ -394,7 +394,7 @@ trait ResponseHandler
                             }
 
                             if (isset($request['user_related']) && $request['user_related']) {
-                                $this->settings['connection_settings']['default_dc'] = $this->API->authorized_dc = $this->API->datacenter->curdc;
+                                $this->API->settings['connection_settings']['default_dc'] = $this->API->authorized_dc = $this->API->datacenter->curdc;
                             }
                             Loop::defer([$this, 'method_recall'], ['message_id' => $request_id, 'datacenter' => $datacenter]);
                             //$this->API->method_recall('', ['message_id' => $request_id, 'datacenter' => $datacenter, 'postpone' => true]);
@@ -409,7 +409,6 @@ trait ResponseHandler
 
                                     $this->logger->logger($response['error_message'], \danog\MadelineProto\Logger::FATAL_ERROR);
                                     foreach ($this->API->datacenter->getDataCenterConnections() as $socket) {
-                                        $socket->authorized(false);
                                         $socket->setTempAuthKey(null);
                                         $socket->setPermAuthKey(null);
                                         $socket->resetSession();
@@ -458,7 +457,6 @@ trait ResponseHandler
 
                                         $this->logger->logger('Permanent auth key was main authorized key, logging out...', \danog\MadelineProto\Logger::FATAL_ERROR);
                                         foreach ($this->API->datacenter->getDataCenterConnections() as $socket) {
-                                            $socket->authorized(false);
                                             $socket->setTempAuthKey(null);
                                             $socket->setPermAuthKey(null);
                                         }
@@ -506,7 +504,7 @@ trait ResponseHandler
                             return;
                         case 420:
                             $seconds = \preg_replace('/[^0-9]+/', '', $response['error_message']);
-                            $limit = isset($request['FloodWaitLimit']) ? $request['FloodWaitLimit'] : $this->settings['flood_timeout']['wait_if_lt'];
+                            $limit = isset($request['FloodWaitLimit']) ? $request['FloodWaitLimit'] : $this->API->settings['flood_timeout']['wait_if_lt'];
                             if (\is_numeric($seconds) && $seconds < $limit) {
                                 //$this->got_response_for_outgoing_message_id($request_id);
 
@@ -535,7 +533,7 @@ trait ResponseHandler
                     $this->logger->logger('Received bad_msg_notification: '.MTProto::BAD_MSG_ERROR_CODES[$response['error_code']], \danog\MadelineProto\Logger::WARNING);
                     switch ($response['error_code']) {
                         case 48:
-                            $this->getTempAuthKey()->setServerSalt($response['new_server_salt']);
+                            $this->shared->getTempAuthKey()->setServerSalt($response['new_server_salt']);
                             $this->method_recall('', ['message_id' => $request_id, 'postpone' => true]);
 
                             return;