将以下代码添加在 nginx.conf 配置中

//如果安装在根目录下
if (!-e $request_filename) {
    rewrite  ^/admin.php/(.*)$ /admin.php?s=/$1 last;
    rewrite  ^/(.*)$  /index.php?s=/$1  last;
    break;
}

//如果安装在子目录下
if (!-e $request_filename) {
    rewrite  ^/目录名/admin.php/(.*)$ /目录名/admin.php?s=/$1 last;
    rewrite  ^/目录名/(.*)$  /目录名/index.php?s=/$1  last;
    break;
}