    def start(self):
        """
        开始消息监听和处理 (登陆后会自动开始)
        """

        if not self.alive:
            logger.warning('{} has been logged out!'.format(self))
        elif self.is_listening:
            logger.warning('{} is already running, no need to start again.'.format(self))
        else:
            self.listening_thread = start_new_thread(self._listen)
开始消息监听和处理 (登陆后会自动开始)
wxpy/api/bot.py