when nginx configures laravel routing, it is found that "domain name / index" can be accessed normally, but if you use the domain name / / index, it will be automatically redirected to /

nginx.conf

-sharpuser  nobody;
worker_processes  1;

-sharperror_log  logs/error.log;
-sharperror_log  logs/error.log  notice;
-sharperror_log  logs/error.log  info;

-sharppid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    include       F:/Server/nginx/conf/vhost.conf;
    default_type  application/octet-stream;

    -sharplog_format  main  "$remote_addr - $remote_user [$time_local] "$request" "
    -sharp                  "$status $body_bytes_sent "$http_referer" "
    -sharp                  ""$http_user_agent" "$http_x_forwarded_for"";

    -sharpaccess_log  logs/access.log  main;

    sendfile        on;
    -sharptcp_nopush     on;

    -sharpkeepalive_timeout  0;
    keepalive_timeout  65;

    -sharpgzip  on;

    server {
        listen       80;
        server_name  localhost;

        -sharpcharset koi8-r;

        -sharpaccess_log  logs/host.access.log  main;

        location / {
            root   F:/Server/WebSites;
            index  index.php index.html index.htm;
        }

        -sharperror_page  404              /404.html;

        -sharp redirect server error pages to the static page /50x.html
        -sharp
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        -sharp proxy the PHP scripts to Apache listening on 127.0.0.1:80
        -sharp
        -sharplocation ~ \.php$ {
        -sharp    proxy_pass   http://127.0.0.1;
        -sharp}

        -sharp pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        -sharp
        location ~ \.php$ {
            root           F:/Server/WebSites;
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME   $document_root$fastcgi_script_name;
            include        fastcgi_params;
        }

        -sharp deny access to .htaccess files, if Apache"s document root
        -sharp concurs with nginx"s one
        -sharp
        -sharplocation ~ /\.ht {
        -sharp    deny  all;
        -sharp}
    }


    -sharp another virtual host using mix of IP-, name-, and port-based configuration
    -sharp
    -sharpserver {
    -sharp    listen       8000;
    -sharp    listen       somename:8080;
    -sharp    server_name  somename  alias  another.alias;

    -sharp    location / {
    -sharp        root   html;
    -sharp        index  index.html index.htm;
    -sharp    }
    -sharp}


    -sharp HTTPS server
    -sharp
    -sharpserver {
    -sharp    listen       443 ssl;
    -sharp    server_name  localhost;

    -sharp    ssl_certificate      cert.pem;
    -sharp    ssl_certificate_key  cert.key;

    -sharp    ssl_session_cache    shared:SSL:1m;
    -sharp    ssl_session_timeout  5m;

    -sharp    ssl_ciphers  HIGH:!aNULL:!MD5;
    -sharp    ssl_prefer_server_ciphers  on;

    -sharp    location / {
    -sharp        root   html;
    -sharp        index  index.html index.htm;
    -sharp    }
    -sharp}

}

vhost.conf

server {
        listen       80;
        server_name  local.kalvin.com;
        root   F:/Server/WebSites/kalvinBlog/public;
        location / {
            index index.php index.html index.htm;
            try_files  $uri $uri/ @rewrite;
        }

        location @rewrite {
             rewrite ^/(.*)$ /index.php?_url=/$1;
         }
        location ~ \.php$ {
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_split_path_info       ^(.+\.php)(/.+)$;
            fastcgi_param PATH_INFO       $fastcgi_path_info;
            fastcgi_param PATH_TRANSLATED $document_root$fastcgi_path_info;
            fastcgi_param  SCRIPT_FILENAME   $document_root$fastcgi_script_name;
            include        fastcgi_params;
        }
        if (!-d $request_filename)
        {
            rewrite ^/(.+)/$ /$1 permanent;
        }
        if ($request_uri ~* index/?$)
        {
            rewrite ^/(.*)/index/?$ /$1 permanent;
        }

        if (!-e $request_filename)
        {
            rewrite ^/(.*)$ /index.php?/$1 last;
            break;
        }
}

laravel routing:

accessing / * * / any file name will not be redirected, except index