Class 'tfproject\model\ip' not found (0)

        $servers = $this->tfphp->getRequest()->server();
        $ip = $servers->pathArgv("ip");
        $remoteAddr = $servers->realRemoteAddr();
        if(empty($ip)) $ip = $remoteAddr;
        // ip
        $mIP = new ip($this->tfphp);
        $this->view->setVar("myIP", $ip);
        if($ip && ($mIP->exceedTest() || $ip == $remoteAddr)){
            $ipInfo = $mIP->getIPInfo($ip);
            $this->view->setVar("ipInfo", $ipInfo);
        }

tfproject\controller\ip\index::onLoad() in /var/www/tfphp/system/tfpage.inc.php line 21
tfphp\system\tfpage::load() in /var/www/tfphp/tfphp.inc.php line 219
tfphp\tfphp::start() in /var/www/tfphp/tfphp.inc.php line 223
tfphp\tfphp::run() in /var/www/html/index.php line 63
tfproject\index::run() in /var/www/html/index.php line 66