location /baidu/ #二级目录 https://www.cmliu.net/baidu
   { 
        proxy_redirect off;
        proxy_pass http://www.baidu.com/;          #https与http要分清,最后的/一定不能少
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host www.baidu.com;        #发送域名 默认原域名就用$http_host
   }

bash <(curl -s -L https://git.io/v2ray.sh)

效果如下 https://www.cmliu.net/baidu