如何在Laravel中拥有不同的robots.txt文件子域和主域？

server {
    listen 80;
    server_name example.com;

    root /path/to/your/laravel/public;
    index index.php index.html index.htm;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
    }

    location ~ /\.ht {
        deny all;
    }
}

server {
    listen 80;
    server_name subdomain.example.com;

    root /path/to/your/subdomain/laravel/public;
    index index.php index.html index.htm;

    location / {
        try_files $uri $uri/ /index.php?$query.string;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastftp_pass unix:/var/run/php/php7.4-fpm.sock;
    }

    location ~ /\.ht {
        deny all;
    }
}

<VirtualHost *:80>
    ServerName example.com
    DocumentRoot /path/to/your/laravel/public

    <Directory /path/to/your/laravel/public>
        AllowOverride All
        Require all granted
    </Directory>
</VirtualHost>

<VirtualHost *:80>
    ServerName subdomain.example.com
    DocumentRoot /path/to/your/subdomain/laravel/public

    <Directory /path/to/your/subdomain/laravel/public>
        AllowOverride All
        Require all granted
    </Directory>
</VirtualHost>

User-agent: *
Disallow: /admin/

User-agent: *
Disallow: /

sudo systemctl restart nginx

sudo systemctl restart apache2