@bot.message_handler(content_types=['document'])
def send_text(message):
    try:
        try:
            save_dir = message.caption
        except:
            save_dir = os.getcwd()
            s = "[!] you aren't entered directory, saving to {}".format(save_dir)
            bot.send_message(message.chat.id, str(s))
        file_name = message.document.file_name
        file_id = message.document.file_name
        file_id_info = bot.get_file(message.document.file_id)
        downloaded_file = bot.download_file(file_id_info.file_path)
        src = file_name
        with open(save_dir + "/" + src, 'wb') as new_file:
            new_file.write(downloaded_file)
        bot.send_message(message.chat.id, "[*] File added:\nFile name - {}\nFile directory - {}".format(str(file_name), str(save_dir)))
    except Exception as ex:
        bot.send_message(message.chat.id, "[!] error - {}".format(str(ex)))