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error_page 404 /index.html;

```
if ( $request_uri = "/" ) {
	rewrite ^(.*)$ https://$host/index permanent;
}
location ~ ^/(index) {
    rewrite /index$ /auth/static break;
    proxy_pass http://localhost:3003;
    proxy_set_header Host $http_host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Cookie $http_cookie;
}
```

server {
        listen 443 ssl;
        server_name login.mlife.top;
        ssl_certificate /etc/letsencrypt/live/blog.mlife.top/fullchain.pem; # managed by Certbot
        ssl_certificate_key /etc/letsencrypt/live/blog.mlife.top/privkey.pem; # managed by Certbot
        ssl_session_cache shared:SSL:10m;
        ssl_session_timeout 5m;
        ssl_prefer_server_ciphers on;
        ssl_ciphers                ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:ECDHE-ECDSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA;
        root /home/static/ssob;
        index index.html;
        error_page 404 /index.html;
        location ~ ^/(user\/login|user\/thirdlogin|auth|oauth) {
                proxy_pass http://localhost:3002;
                proxy_set_header Host $http_host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header Cookie $http_cookie;
        }
        location ~ ^/mapi/ {
                rewrite /mapi/(.+)$ /$1 break;
                proxy_pass http://localhost:3002;
                proxy_set_header Host $http_host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header Cookie $http_cookie;
        }
}

 ./certbot-auto certonly  -d *.newyingyong.cn --manual --preferred-challenges dns --server https://acme-v02.api.letsencrypt.org/directory 

location /huan/ {
      alias /home/www/huan/;
}

在上面alias虚拟目录配置下，访问http://www.wangshibo.com/huan/a.html实际指定的是/home/www/huan/a.html。