awssat/Laravel-visits 报错

The GeoIP service is not valid.

/www/wwwroot/blog/vendor/torann/geoip/src/GeoIP.php
    }

    /**
     * Get service instance.
     *
     * @return \Torann\GeoIP\Contracts\ServiceInterface
     * @throws Exception
     */
    public function getService()
    {
        if ($this->service === null) {
            // Get service configuration
            $config = $this->config('services.' . $this->config('service'), []);

            // Get service class
            $class = Arr::pull($config, 'class');

            // Sanity check
            if ($class === null) {
                throw new Exception('The GeoIP service is not valid.');
            }

            // Create service instance
            $this->service = new $class($config);
        }

        return $this->service;
    }

    /**
     * Get cache instance.
     *
     * @return \Torann\GeoIP\Cache
     */
    public function getCache()
    {
        return $this->cache;
    }

    /**
Arguments
"The GeoIP service is not valid."

报错怎么回事啊