.valet 安装在 /var/root/.valet 目录下的解决方法:

1. Stop and uninstall services
sudo brew services stop php71 dnsmasq nginx
brew uninstall php71 dnsmasq nginx
2. Remove related config files and valet home folder
sudo rm -r /usr/local/etc/php /usr/local/etc/nginx /usr/local/etc/dnsmasq.conf
sudo rm -r ~/.valet /var/root/.valet
3. Install services
brew install php71 dnsmasq nginx
4. Hardcode your home path into valet source
   Modify 2 files: helpers.php and DnsMasq.php. Change $_SERVER['HOME'] to '/Users/user'
5. Install valet and don't forget to park
6. valet install