將"Require all denied"修改成"Require all granted"；
建議針對/private/var/log/apache2/中error來看
[Sun Jun 02 18:00:37.760853 2019] [core:error] [pid 1677] (13)Permission denied: [client 127.0.0.1:53454] AH00035: access to / denied (filesystem path ‘/Users/sf/Documents/phpstorm’) because search permissions are missing on a component of the path
解決方案，部分路徑有執行權限，部分沒有執行權限導致報錯