NGINX PHP脚本下载而不是执行

我正在运行NGINX，当我运行PHP脚本domain.com/script.PHP时，它会下载而不是执行。 我正在运行PHP版本：7.3.24，Zend Engine v3.3.24，nginx版本：nginx/1.16.1

我到处都找遍了，试遍了所有看起来的东西，但我就是无法让它发挥作用。我还尝试过清除浏览器中的catch，重新启动服务器，以及

sudo服务nginx-reload

和

sudo服务php-fpm-restart

运行HTML文件工作正常。问题只存在于php文件中

我的日志文件显示：

*39 connect（）连接到上游时失败（111:连接被拒绝），客户端：[IP]，服务器：[DOMAIN].com，请求：“GET/phpinfo.php HTTP/1.1”，上游：fastcgi://127.0.0.1:9000，主机：“[DOMAIN].com”

从命令行运行

sudo服务php fpm start

，没有创建.sock文件。所以我选择了

listen=127.0.0.1:9000

这是我的/etc/php-fpm.d/www.conf

[www]

user = nginx

group = nginx

listen = 127.0.0.1:9000

listen.owner = nginx

listen.group = nginx

listen.mode = 0660

listen.allowed_clients = 127.0.0.1

pm = dynamic

pm.max_children = 50

pm.start_servers = 5

pm.min_spare_servers = 5

pm.max_spare_servers = 35

slowlog = /var/log/php-fpm/www-slow.log

php_admin_value[error_log] = /var/log/php-fpm/www-error.log

php_admin_flag[log_errors] = on

php_value[session.save_handler] = files

php_value[session.save_path]    = /var/lib/php/session

php_value[soap.wsdl_cache_dir]  = /var/lib/php/wsdlcache

这是我的/etc/nginx/nginx.conf

user nginx;

worker_processes auto;

error_log /var/log/nginx/error.log;

pid /run/nginx.pid;

include /usr/share/nginx/modules/*.conf;

events {

worker_connections 1024;

}

http {

log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for"';

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

sendfile            on;

tcp_nopush          on;

tcp_nodelay         on;

keepalive_timeout   1;

types_hash_max_size 2048;

include             /etc/nginx/mime.types;

default_type        application/octet-stream;

server {

    listen       80 default_server;

    server_name  [DOMAIN].com;

    location ~ \.php$ {

    fastcgi_split_path_info ^(.+\.php)(/.+)$;

    fastcgi_pass 127.0.0.1:9000;

    fastcgi_index index.php;

    include fastcgi_params;

    }

    location / {

    root         /var/www;

    index index.php index.html index.htm;

    }

    error_page 404 /404.html;

    location = /404.html {

    }

    error_page 500 502 503 504 /50x.html;

    location = /50x.html {

    }

}

}