system error-凯发k8旗舰厅

class cron 
{    
	protected $options   =  array(
            'cron_max_time' =>  60,
        );
	public function run(&$params)
    {
        $this->options['cron_max_time']=config('cron_max_time')?:60;
        $lockfile	 =	 runtime_path.'cron.lock';
        if(is_writable($lockfile) && filemtime($lockfile) > $_server['request_time'] - $this->options['cron_max_time']) {
            return ;
        } else {
            touch($lockfile);
        }
        @set_time_limit(1000);
        @ignore_user_abort(true);
		if(is_file(runtime_path.'~crons.php')) {
            $crons	=	include runtime_path.'~crons.php';
        }elseif(is_file(root_path.'app/crons.php')){