mkdir 权限问题

application/Index.php

        
        $dir_name = DATA_PATH . $pathinfo['dirname'];
        if (!is_dir($dir_name) && !mkdir($dir_name, '0777', true)) {
        if (!is_dir($dir_name) && !mkdir($dir_name, 0744, true)) {
            die(json_encode(['code'=>2, 'msg'=>'目录创建失败']));
        }