server
 {
 listen 80;
 #listen [::]:80;
 server_name 10.16.0.58;
 index index.html index.htm index.php default.html default.htm default.php;
 root /home/wwwroot/default;
 
 #error_page 404 /404.html;
 location ^~ /download/ {
 proxy_pass http://10.16.0.90/;
 }
 access_log off;
 }