启动命令：/usr/nginx/sbin/nginx 

如果已经启动的话，直接/usr/nginx/sbin/nginx -s reload

server {    listen 80;    server_name www.xxx.com;    location / {        proxy_pass http://localhost:8686/;        proxy_set_header Host $host;        proxy_set_header X-Real-IP $remote_addr;        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;    }}