PHP environment incorrect when use devbox

When I chose PHP environment 7.4, the actual environment given was 8.4.3

use Devbox in CLAWCLOUD Run environment

php -v
PHP 8.4.5 (cli) (built: Mar 13 2025 17:27:36) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.4.5, Copyright (c) Zend Technologies
    with Zend OPcache v8.4.5, Copyright (c), by Zend Technologies