nginx 怎么把网站反代到目录？

想法是在目录下反代谷歌 一开始 location /{}这样弄没问题，但是我想把 location /{} 这种留给我的 blog 用，想在 location /google{}反代，但是问题来了，反代谷歌主页没问题，但是搜索 404. 所以是哪有问题呢？

这是我的配置。。话说 v2 排版有点奇怪 T_T

upstream yoyo { server 216.58.219.225:443 max_fails=3;

  server 216.58.219.226:443 max_fails=3;
  
  server 216.58.219.227:443 max_fails=3;
  
  server 216.58.219.228:443 max_fails=3;
  
}

server {

   listen      443 ssl;
    
#listen       [::]:443 ssl;

    server_name  lalalaala;

ssl on;
    ssl_certificate /etc/nginx/ssl/nginx.crt;
ssl_certificate_key /etc/nginx/ssl/nginx.key;
ssl_protocols   TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:RC4-SHA:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!DSS:!PKS;
     ssl_prefer_server_ciphers  on;
     ssl_session_cache       shared:SSL:10m;
     ssl_session_timeout     5m;

location ^~/google{
        proxy_redirect https://www.google.com/ /;
        proxy_pass https://yoyo/;
       proxy_set_header Host www.google.com;
       proxy_set_header User-Agent $http_user_agent;
       proxy_set_header Referer http://www.google.com;
        proxy_set_header Accept-Encoding "";
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto https;
    }

  }

}