zf2框架的php程序，nginx下运行提示404 not found

原始的nginx中的配置如下：

location / {

                # First attempt to serve request as file, then

                # as directory, then fall back to displaying a 404.

                try_files $uri $uri/ =404;

        }

修改配置如下，解决404 not found

 location / {

                # First attempt to serve request as file, then

                # as directory, then fall back to displaying a 404.

                try_files $uri $uri/ /index.php?$args;

        }