Lotos's questions

机器人不响应聊天中的消息，可能是什么问题？

    from vk_api.bot_longpoll import VkBotLongPoll, VkBotEventType
import vk_api
import time
import random

vk = vk_api.VkApi(token='мой токен')
vk._auth_token()
vk.get_api()
longpoll = VkBotLongPoll(vk, 'айди группы')
while True:
    try:
        for event in longpoll.listen():
            if event.type == VkBotEventType.MESSAGE_NEW:
                if event.object.text.lower() == 'привет':
                    vk.method('messages.send', {'chat_id': event.chat_id, 'message': 'Привет!', 'random_id': 0})
                elif event.object.text.lower() == 'бот лох':
                    vk.method('messages.send', {'chat_id': event.chat_id, 'message': 'Пошёл ты!', 'random_id': 0})
                else:
                    vk.method('messages.send', {'chat_id': event.chat_id, 'message': 'Не понятно', 'random_id': 0})


    except Exception as e:
        print(e)
        time.sleep(1)