config nginx(v 1.10) for laravel (v 5)with php 5.6

The config for nginx here:

user nginx;
worker_processes  4;
events {
worker_connections  1024;
}

http {
include       mime.types;
default_type  application/octet-stream;
sendfile        on;
keepalive_timeout  65;
include /usr/local/nginx/conf/virtual/*.conf;
}

the virtual.conf in virtual file:

server {  
listen 80 default_server;

root /www/laravel/public;
index index.html index.htm index.php;

server_name laravel.rexchen.cn;

charset utf-8;

location / {
    try_files \$uri \$uri/ /index.php?\$query_string;
}

 # Note this will work with "hack" files as well as php files!
 location ~ \.(hh|php)$ {  
      fastcgi_keep_conn on;
  fastcgi_pass   127.0.0.1:9000;
  fastcgi_index  index.php;
  fastcgi_param  SCRIPT_FILENAME $document_root$fastcgi_script_name;
  include        fastcgi_params;

}

# Deny .htaccess file access
location ~ /\.ht {
    deny all;
}

}

the chrome report that 500 error：enter image description here

so how fix this

via Chebli Mohamed