/usr/local/nginx/conf
   nginx.conf文件location / {
    root html;
    index index.html index.htm;
    proxy_pass http://127.0.0.1:8888;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
   nginx -t
nginx -s reload
   完成!