location  /datax/  {
  	proxy_pass http://172.16.0.8:32100/;
  	proxy_cookie_path  /172.16.0.8/ /;
  	proxy_set_header Real-Host $host; #保留真实域名
  	proxy_set_header Upgrade $http_upgrade;
  	proxy_set_header Connection "upgrade";
  	proxy_set_header X-Real-IP $remote_addr;
  	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}