protected function registerLogService()
    {
        $logger = Log::createLogger(
            $this->config->get('log.file'),
            'yansongda.pay',
            $this->config->get('log.level', 'warning'),
            $this->config->get('log.type', 'daily'),
            $this->config->get('log.max_file', 30)
        );

        Log::setLogger($logger);
    }