WordPress configuration fixed link nginx access 404 problem solution

server {
    listen       80;
    server_name  www.chaichunyan.com;

    access_log  /var/log/nginx/access.log  main;

location / {
        root /www/data/xxx;
        index  index.php index.html index.htm;

        if (-f $request_filename/index.html){
               rewrite (.*) $1/index.html break;
        }
        if (-f $request_filename/index.php){
               rewrite (.*) $1/index.php;
         }
        if (!-f $request_filename){
               rewrite (.*) /index.php;
         }
}
rewrite /wp-admin$ $scheme://$host$uri/ permanent;

    location  ~ \.php$ {
        root /www/data/xxx;
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }
}