public function get_rpc_client($url)
    {
        if ($this->isSingle()) {
            include_once Lb::app()->getRootDir() . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'hprose' .
            DIRECTORY_SEPARATOR . 'hprose' . DIRECTORY_SEPARATOR . 'src' . DIRECTORY_SEPARATOR . 'Hprose.php';
            return new \Hprose\Http\Client($url);
        }
        return false;
    }