mayi_cms/include/qrcode/qrconfig.php

<?php

define('QR_CACHEABLE', true);
define('QR_CACHE_DIR', dirname(__FILE__) . DIRECTORY_SEPARATOR . 'cache' . DIRECTORY_SEPARATOR);
define('QR_LOG_DIR', dirname(__FILE__) . DIRECTORY_SEPARATOR);
define('QR_FIND_BEST_MASK', true);
define('QR_FIND_FROM_RANDOM', false);
define('QR_DEFAULT_MASK', 2);
define('QR_PNG_MAXIMUM_SIZE', 1024);

?>