Redirects not working: always redirects to domain root.

[luftaquila]

I'm running YOURLS 1.8.1 on NGINX at my subdomain https;//go.luftaquila.io. It's database connection is correct that creating shortened url works perfect at admin page.

But when moving into shortened url, it always redirects to my romain root, https://go.luftaquila.io. There are no any suspicious logs in NGINX's access.log, error.log, PHP's error.log, YOURLS debug msg, browser's console.

There are some interesting things that it redirects even not existing url like https://go.luftaquila.io/notexists to domain root. The only working url is https://go.luftaquila.io/3, which points my admin page https://go.luftaquila.io/admin/index.php.

Here are my configurations:
NGINX

server {
  listen 443 ssl http2;
  listen [::]:443 ssl http2;

  include snippets/ssl-params.conf;
  server_name go.luftaquila.io;
  root /home/luftaquila/HDD/yourls;
  index index.php;

  location / {
    try_files $uri $uri/ /yourls-loader.php$is_args$args;
  }
    
  location ~ \.php$ {
    fastcgi_split_path_info ^(.+\.php)(/.+)$;
    fastcgi_pass unix:/var/run/php/php7.3-fpm.sock;
    fastcgi_index index.php;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_intercept_errors off;
    fastcgi_buffer_size 16k;
    fastcgi_buffers 4 16k;
  }

YOURLS

<?php
define('YOURLS_ADMIN_SSL', true);

define( 'YOURLS_DB_USER', 'yourls' );
define( 'YOURLS_DB_PASS', mydbpassword );
define( 'YOURLS_DB_NAME', 'yourls' );
define( 'YOURLS_DB_HOST', 'localhost' );
define( 'YOURLS_DB_PREFIX', 'yourls_' );

define( 'YOURLS_SITE', 'http://go.luftaquila.io' );
/* I'm not sure this to be http or https, but both of them doesn't work. */

define( 'YOURLS_LANG', 'ko_KR' );
define( 'YOURLS_UNIQUE_URLS', true );
define( 'YOURLS_PRIVATE', true );

define( 'YOURLS_COOKIEKEY', mykey );
$yourls_user_passwords = [
	'luftaquila' => mypassword
];
define( 'YOURLS_URL_CONVERT', 36 );
define( 'YOURLS_DEBUG', true );

Thank you!