mac中laravel框架的public文件夹无法访问？

Mac环境下，用安装包直接布置的laravel，通过浏览器访问laravel文件夹，可以显示文件列表，但浏览器中不显示public文件夹，地址栏直接输入地址./laravel/public/,则会报错：
Forbidden
You don't have permission to access /~jnwb/laravel/public/ on this server.

apache中的rewrite模块已开启。
vhosts.conf配置如下
<VirtualHost *:80>

ServerAdmin webmaster@dummy-host.example.com
DocumentRoot "/usr/docs/dummy-host.example.com"
ServerName dummy-host.example.com
ServerAlias www.dummy-host.example.com
ErrorLog "/private/var/log/apache2/dummy-host.example.com-error_log"
CustomLog "/private/var/log/apache2/dummy-host.example.com-access_log" common

</VirtualHost>

<VirtualHost *:80>

ServerAdmin webmaster@dummy-host2.example.com
DocumentRoot "/usr/docs/dummy-host2.example.com"
ServerName dummy-host2.example.com
ErrorLog "/private/var/log/apache2/dummy-host2.example.com-error_log"
CustomLog "/private/var/log/apache2/dummy-host2.example.com-access_log" common

</VirtualHost>

求助！

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laravel默认访问public目录作为服务的根目录，你的URL中不应该出现public，例如你要访问 /public/static/css/style.css 你的URL地址就是 http://domain/static/css/style.css

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难道不是权限问题？改一下文件夹的权限？