All Laravel routes gives 404 on nginx subdirectory -

i have problem nginx configuration. wanna have laravel app in subdirectory, domain.com/alfa. @ domain.com app. , laravel routes gives 404 on nginx subdirectory. find error?

my paths:

• /var/www/ <-- it's domain.com
• /var/www/alfa_path <-- it's domain.com/alfa

it's nginx configuration:

server {         listen 80;         server_name domain.com;          root /var/www;         index index.php index.html index.htm;          location / {         }          location /alfa {                 root /var/www/alfa_path/public;                 index index.php index.html index.htm;                 try_files $uri $uri/ /alfa_path/public/index.php?$query_string;         }          location ~ .php$ {                 try_files $uri =404;                 fastcgi_pass unix:/var/run/www.sock;                 fastcgi_index index.php;                 fastcgi_param script_filename $document_root$fastcgi_script_name;                 include /etc/nginx/fastcgi_params;         }          location /phpmyadmin {                 root /usr/share/;                 index index.php index.html index.htm;                 location ~ ^/phpmyadmin/(.+\.php)$ {                         try_files $uri =404;                         root /usr/share/;                         fastcgi_pass unix:/var/run/www.sock;                         fastcgi_index index.php;                         fastcgi_param script_filename $document_root$fastcgi_script_name;                         include /etc/nginx/fastcgi_params;                 }                 location ~* ^/phpmyadmin/(.+\.(jpg|jpeg|gif|css|png|js|ico|html|xml|txt))$ {                         root /usr/share/;                 }         }          location /phpmyadmin {                 rewrite ^/* /phpmyadmin last;         } }