求助，最新版本安装后出现下面报错

[acodercat]

2021-06-28 22:19:54] local.ERROR: Argument 1 passed to str_contains() must be of the type string, null given, called in /var/www/html/QA/app/Models/Setting.php on line 56 {"exception":"[object] (Symfony\Component\Debug\Exception\FatalThrowableError(code: 0): Argument 1 passed to str_contains() must be of the type string, null given, called in /var/www/html/QA/app/Models/Setting.php on line 56 at /var/www/html/QA/vendor/symfony/polyfill-php80/bootstrap.php:29)
[stacktrace]
#0 /var/www/html/QA/app/Models/Setting.php(56): str_contains(NULL, ' ')