隐藏前台入口文件index.php 后台入口文件admin.php不隐藏

location / {
     index  index.html index.htm index.php;
     #autoindex  on;
     if (!-e $request_filename){
          rewrite ^(.*)$ /index.php?s=$1 last;
     }             
            
 }    
        
location /admin.php {

 }

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