diff --git a/app/bot.php b/app/bot.php
index b1f7e73..b1752c8 100644
--- a/app/bot.php
+++ b/app/bot.php
@@ -651,6 +651,9 @@ class Bot
             case preg_match('~^/changeTGDomain$~', $this->input['callback'], $m):
                 $this->changeTGDomain();
                 break;
+            case preg_match('~^/setTGAdtag$~', $this->input['callback'], $m):
+                $this->changeTGAdtag();
+                break;
             case preg_match('~^/include (\w+)$~', $this->input['callback'], $m):
                 $this->include($m[1]);
                 break;
@@ -731,14 +734,32 @@ class Bot
         $this->mtproto();
     }
 
+    public function setTelegramAdtag($adtag)
+    {
+        $adtag = trim($adtag);
+        if ($adtag === '0') {
+            $adtag = '';
+        } elseif (!preg_match('~^[a-f0-9]{32}$~i', $adtag)) {
+            $this->update($this->input['chat'], $this->input['message_id'], 'wrong adtag');
+            sleep(2);
+            $this->mtproto();
+            return;
+        }
+        file_put_contents('/config/mtprotoadtag', strtolower($adtag));
+        $this->restartTG();
+        $this->mtproto();
+    }
+
     public function restartTG()
     {
         $secret     = file_get_contents('/config/mtprotosecret');
         $fakedomain = file_get_contents('/config/mtprotodomain') ?: 'yandex.ru';
+        $adtag      = trim(file_exists('/config/mtprotoadtag') ? file_get_contents('/config/mtprotoadtag') : '');
         $this->ssh('pkill mtproto-proxy', 'tg');
         if (preg_match('~^\w{32}$~', $secret)) {
             $p = getenv('TGPORT');
-            $this->ssh("mtproto-proxy --domain $fakedomain -u nobody -H $p --nat-info 10.10.0.8:{$this->ip} -S $secret --aes-pwd /proxy-secret /proxy-multi.conf -M 1", 'tg', false, '/logs/mtproto');
+            $proxyTag = $adtag ? " -P " . escapeshellarg($adtag) : '';
+            $this->ssh("mtproto-proxy --domain $fakedomain -u nobody -H $p --nat-info 10.10.0.8:{$this->ip} -S $secret --aes-pwd /proxy-secret /proxy-multi.conf -M 1$proxyTag", 'tg', false, '/logs/mtproto');
         }
     }
 
@@ -835,10 +856,12 @@ class Bot
     public function mtproto()
     {
         $d      = file_get_contents('/config/mtprotodomain') ?: 'yandex.ru';
+        $adtag  = trim(file_exists('/config/mtprotoadtag') ? file_get_contents('/config/mtprotoadtag') : '');
         $st     = $this->ssh('pgrep mtproto-proxy', 'tg') ? 'on' : 'off';
         $text[] = "Menu -> MTProto\n";
         $text[] = "status: $st\n";
         $text[] = "fake domain: <code>$d</code>\n";
+        $text[] = "adtag: <code>" . ($adtag ?: 'off') . "</code>\n";
         if ($st == 'on') {
             $text[] = $this->linkMtproto();
         }
@@ -860,6 +883,12 @@ class Bot
                 'callback_data' => "/changeTGDomain",
             ],
         ];
+        $data[] = [
+            [
+                'text'          => $this->i18n('setAdTag'),
+                'callback_data' => "/setTGAdtag",
+            ],
+        ];
         $data[] = [
             [
                 'text'          => $this->i18n('show QR'),
@@ -1850,6 +1879,7 @@ class Bot
             ] : false,
             'mtproto'       => file_get_contents('/config/mtprotosecret'),
             'mtprotodomain' => file_get_contents('/config/mtprotodomain'),
+            'mtprotoadtag'  => file_exists('/config/mtprotoadtag') ? file_get_contents('/config/mtprotoadtag') : '',
             'xray'          => $this->getXray(),
             'hy'            => yaml_parse_file('/config/hysteria.yaml'),
             'oc'            => file_get_contents('/config/ocserv.conf'),
@@ -1959,6 +1989,7 @@ class Bot
                 $this->update($this->input['chat'], $this->input['message_id'], implode("\n", $out));
                 file_put_contents('/config/mtprotosecret', $json['mtproto']);
                 file_put_contents('/config/mtprotodomain', $json['mtprotodomain'] ?: '');
+                file_put_contents('/config/mtprotoadtag', trim($json['mtprotoadtag'] ?? ''));
                 $this->restartTG();
             }
             // hwid
@@ -9124,6 +9155,22 @@ DNS-over-HTTPS with IP:
         ];
     }
 
+    public function changeTGAdtag()
+    {
+        $r = $this->send(
+            $this->input['chat'],
+            "@{$this->input['username']} enter adtag or 0 for disable",
+            $this->input['message_id'],
+            reply: 'enter adtag or 0 for disable',
+        );
+        $_SESSION['reply'][$r['result']['message_id']] = [
+            'start_message'  => $this->input['message_id'],
+            'start_callback' => $this->input['callback_id'],
+            'callback'       => 'setTelegramAdtag',
+            'args'           => [],
+        ];
+    }
+
     public function setFakeDomain($domain, $self = false)
     {
         $c = $this->getXray();
diff --git a/app/i18n.php b/app/i18n.php
index 756f98c..6c60261 100644
--- a/app/i18n.php
+++ b/app/i18n.php
@@ -261,6 +261,10 @@ $i = [
         'en' => 'setSecret',
         'ru' => 'установить свой ключ',
     ],
+    'setAdTag'  => [
+        'en' => 'set adtag',
+        'ru' => 'установить adtag',
+    ],
     'defaultDNS'  => [
         'en' => 'defaultDNS',
         'ru' => 'дефолтный днс',