diff --git a/app/Http/Controllers/Guest/TelegramController.php b/app/Http/Controllers/Guest/TelegramController.php
index 8ac5bfaa..f8836cfd 100644
--- a/app/Http/Controllers/Guest/TelegramController.php
+++ b/app/Http/Controllers/Guest/TelegramController.php
@@ -10,25 +10,29 @@ class TelegramController extends Controller
 {
     protected $msg;
     protected $commands = [];
+    protected $telegramService;
 
     public function __construct(Request $request)
     {
         if ($request->input('access_token') !== md5(config('v2board.telegram_bot_token'))) {
             abort(401);
         }
+
+        $this->telegramService = new TelegramService();
     }
 
     public function webhook(Request $request)
     {
-        $this->msg = $this->getMessage($request->input());
-        if (!$this->msg) return;
+        info($request->input());
+        $this->formatMessage($request->input());
+        $this->formatChatJoinRequest($request->input());
         $this->handle();
     }
 
     public function handle()
     {
+        if (!$this->msg) return;
         $msg = $this->msg;
-
         $commandName = explode('@', $msg->command);
 
         // To reduce request, only commands contains @ will get the bot name
@@ -59,34 +63,62 @@ class TelegramController extends Controller
                 }
             }
         } catch (\Exception $e) {
-            $telegramService = new TelegramService();
-            $telegramService->sendMessage($msg->chat_id, $e->getMessage());
+            $this->telegramService->sendMessage($msg->chat_id, $e->getMessage());
         }
     }
 
     public function getBotName()
     {
-        $telegramService = new TelegramService();
-        $response = $telegramService->getMe();
+        $response = $this->telegramService->getMe();
         return $response->result->username;
     }
 
-    private function getMessage(array $data)
+    private function formatMessage(array $data)
     {
-        if (!isset($data['message'])) return false;
+        if (!isset($data['message'])) return;
+        if (!isset($data['message']['text'])) return;
         $obj = new \StdClass();
-        if (!isset($data['message']['text'])) return false;
         $text = explode(' ', $data['message']['text']);
         $obj->command = $text[0];
         $obj->args = array_slice($text, 1);
         $obj->chat_id = $data['message']['chat']['id'];
         $obj->message_id = $data['message']['message_id'];
-        $obj->message_type = !isset($data['message']['reply_to_message']['text']) ? 'message' : 'reply_message';
+        $obj->message_type = 'message';
         $obj->text = $data['message']['text'];
         $obj->is_private = $data['message']['chat']['type'] === 'private';
-        if ($obj->message_type === 'reply_message') {
+        if (isset($data['message']['reply_to_message']['text'])) {
+            $obj->message_type = 'reply_message';
             $obj->reply_text = $data['message']['reply_to_message']['text'];
         }
-        return $obj;
+        $this->msg = $obj;
+    }
+
+    private function formatChatJoinRequest(array $data)
+    {
+        if (!isset($data['chat_join_request'])) return;
+        if (!isset($data['chat_join_request']['from']['id'])) return;
+        if (!isset($data['chat_join_request']['chat']['id'])) return;
+        $user = \App\Models\User::where('telegram_id', $data['chat_join_request']['from']['id'])
+            ->first();
+        if (!$user) {
+            $this->telegramService->declineChatJoinRequest(
+                $data['chat_join_request']['chat']['id'],
+                $data['chat_join_request']['from']['id']
+            );
+            return;
+        }
+        $userService = new \App\Services\UserService();
+        if (!$userService->isAvailable($user)) {
+            $this->telegramService->declineChatJoinRequest(
+                $data['chat_join_request']['chat']['id'],
+                $data['chat_join_request']['from']['id']
+            );
+            return;
+        }
+        $userService = new \App\Services\UserService();
+        $this->telegramService->approveChatJoinRequest(
+            $data['chat_join_request']['chat']['id'],
+            $data['chat_join_request']['from']['id']
+        );
     }
 }
diff --git a/app/Services/TelegramService.php b/app/Services/TelegramService.php
index 42942857..47ce192a 100644
--- a/app/Services/TelegramService.php
+++ b/app/Services/TelegramService.php
@@ -26,6 +26,22 @@ class TelegramService {
         ]);
     }
 
+    public function approveChatJoinRequest(int $chatId, int $userId)
+    {
+        $this->request('approveChatJoinRequest', [
+            'chat_id' => $chatId,
+            'user_id' => $userId
+        ]);
+    }
+
+    public function declineChatJoinRequest(int $chatId, int $userId)
+    {
+        $this->request('declineChatJoinRequest', [
+            'chat_id' => $chatId,
+            'user_id' => $userId
+        ]);
+    }
+
     public function getMe()
     {
         return $this->request('getMe');