public function queryAccountPoint()
    {
        $request = $this->client->newRequest(
            'GET',
            $this->client->buildUriWithQuery('/SmQueryGet.asp')
        );

        $response = $this->client->sendRequest($request);
        $contents = $response->getBody()->getContents();
        $data = explode("=", $contents);

        return $data[1];
    }