Codeigniter下配置nginx

server {        listen 80;    server_name www.ci.com;        location / {    root   /Library/WebServer/Documents/www/ci;        index  index.html index.htm index.php;    try_files $uri $uri/ /index.php?$uri&$args;    }              location ~ \.php$ {            root           /Library/WebServer/Documents/www/ci;            fastcgi_pass   127.0.0.1:9000;            fastcgi_index  index.php;            fastcgi_param  SCRIPT_FILENAME /Library/WebServer/Documents/www/ci$fastcgi_script_name;    include /usr/local/etc/nginx/fastcgi_params;        }        }