diff --git a/src/danog/MadelineProto/DataCenter.php b/src/danog/MadelineProto/DataCenter.php
index bdbc7aab..eb357a4f 100644
--- a/src/danog/MadelineProto/DataCenter.php
+++ b/src/danog/MadelineProto/DataCenter.php
@@ -69,7 +69,8 @@ class DataCenter
             if (!isset($this->dclist[$test][$ipv6][$dc_number]['ip_address'])) {
                 unset($this->sockets[$dc_number]);
 
-                throw new \danog\MadelineProto\Exception("No info for DC $dc_number");
+                \danog\MadelineProto\Logger::log("No info for DC $dc_number", \danog\MadelineProto\Logger::ERROR);
+                return false;
             }
             $address = $this->dclist[$test][$ipv6][$dc_number]['ip_address'];
             $port = $this->dclist[$test][$ipv6][$dc_number]['port'];
diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index d2212939..cf5afc94 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -47,7 +47,7 @@ class MTProto
     /*
         const V = 71;
     */
-    const V = 91;
+    const V = 92;
     const NOT_LOGGED_IN = 0;
     const WAITING_CODE = 1;
     const WAITING_SIGNUP = -1;
@@ -234,6 +234,9 @@ class MTProto
                 if (!isset($connection['proxy_extra'])) {
                     $connection['proxy_extra'] = [];
                 }
+                if (!isset($connection['pfs'])) {
+                    $connection['pfs'] = true;
+                }
             }
             if (!isset($settings['authorization']['rsa_key'])) {
                 unset($settings['authorization']['rsa_key']);
@@ -620,14 +623,14 @@ class MTProto
             $test = $this->config['test_mode'] ? 'test' : 'main';
             $id = $dc['id'];
             if (isset($dc['static'])) {
-                //                $id .= $dc['static'] ? '_static' : '';
+                //$id .= $dc['static'] ? '_static' : '';
             }
             if (isset($dc['cdn'])) {
                 $id .= $dc['cdn'] ? '_cdn' : '';
             }
             $id .= $dc['media_only'] ? '_media' : '';
             $ipv6 = $dc['ipv6'] ? 'ipv6' : 'ipv4';
-            $id .= isset($this->settings['connection'][$test][$ipv6][$id]) && $this->settings['connection'][$test][$ipv6][$id]['ip_address'] != $dc['ip_address'] ? '_bk' : '';
+            //$id .= isset($this->settings['connection'][$test][$ipv6][$id]) && $this->settings['connection'][$test][$ipv6][$id]['ip_address'] != $dc['ip_address'] ? '_bk' : '';
             if (is_numeric($id)) {
                 $id = (int) $id;
             }