nginx proxy_cache配置后不生成缓存文件，也不缓存图片，且css,js等报500

http {

	#cache begin

	proxy_buffering on;

	proxy_cache_valid any 10m;

	proxy_cache_path /data/cache levels=1:2 keys_zone=my-cache:8m max_size=1000m inactive=600m;

	proxy_temp_path /data/temp;

	proxy_buffer_size 4k;

	proxy_buffers 100 8k;

	#cache end



	upstream upserver {

		server 104.149.128.130;

	}

    include /etc/nginx/conf.d/*.conf;

}

server {

    listen       80;

    server_name  localhost;



	location / {

            root   /var/www/html; 

            index  index.php index.html index.htm;

			if (-e $request_filename) {

                break;

            }

            if (!-e $request_filename) {

                rewrite ^/(.*)?$ /index.php/$1 last;

                break;

            }

			proxy_pass http://upserver;

			proxy_next_upstream http_502 http_504 error timeout invalid_header;

			proxy_cache my-cache;

			proxy_cache_valid 200 304 12h;

			proxy_cache_key $host$uri$is_args$args;

			proxy_set_header Host $host;

			proxy_set_header X-Forwarded-For $remote_addr;

			add_header X-Cache '$upstream_cache_status from $host';

			expires 1d;

    }

	location ~ .+\.php($|/) {

		    root   /var/www/html;

		    fastcgi_pass   127.0.0.1:9000;

		    fastcgi_index  index.php;

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

			fastcgi_param   SCRIPT_FILENAME $document_root$fastcgi_script_name;

			fastcgi_param   PATH_INFO $fastcgi_path_info;

			fastcgi_param   PATH_TRANSLATED $document_root$fastcgi_path_info;

			fastcgi_connect_timeout 300;

			fastcgi_read_timeout 300;

			fastcgi_send_timeout 300;

			fastcgi_buffer_size 64k;

			fastcgi_buffers   4 32k;

			fastcgi_busy_buffers_size 64k;

			fastcgi_temp_file_write_size 64k;

			include        fastcgi_params;

    }

	location ~ .+\.(php|jsp+cgi) {

			proxy_set_header Host $host;

			proxy_set_header X-Forwarded-For $remote_addr;

			proxy_pass http://upserver;

	}

#	location ~ \.(htm|html|gif|jpg|jpeg|png|bmp|ico|css|js)$ { 

#			root /var/www/html/static; 

#			expires 48h;

#   }

#	location ~ \.(txt)$ { 

#			root /var/www/html/data/html; 

#			expires 24h;

#   }



}