如果想安装某个插件要运行：
composer require xypp/pay-to-read:"*"
````
则运行此：
sudo -u flarum php8.0 composer.phar composer require xypp/pay-to-read:“*”
***
sudo yunohost app shell flarum
Will load Flarum’s environment in a new shell
php composer.phar update –prefer-dist –no-plugins –no-dev -a –with-all-dependencies
php flarum migrate
php flarum cache:clear
exit