nginx 配置不生效

我想把 xxx.net.cn/filePreview/下的请求代理到 8012 端口，这么写为啥配置不生效， service nginx restart 、nginx -s reload 不行
# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
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   65;
    types_hash_max_size 2048;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;

    server {
        listen       80 default_server;
        listen       [::]:80 default_server;
        server_name  www.xxxx.net.cn;
        root         /usr/share/nginx/html;
	rewrite ^(.*)$ https://$host$1 permanent;
    }

# Settings for a TLS enabled server.
    server {
        listen       443 ssl http2 default_server;
        listen       [::]:443 ssl http2 default_server;
        server_name  www.xxxx.net.cn;
        root         /usr/share/nginx/html;
#
        ssl_certificate "/etc/pki/nginx/server.crt";
        ssl_certificate_key "/etc/pki/nginx/private/server.key";
        ssl_session_cache shared:SSL:1m;
        ssl_session_timeout  10m;
        ssl_ciphers HIGH:!aNULL:!MD5;
        ssl_prefer_server_ciphers on;

#        # Load configuration files for the default server block.
        include /etc/nginx/default.d/*.conf;

        location / {
		proxy_pass http://localhost:8080;
	}

	location /filePreview/ {
		proxy_pass http://localhost:8012;
	}

        error_page 404 /404.html;
            location = /40x.html {
        }
#
        error_page 500 502 503 504 /50x.html;
            location = /50x.html {
        }
    }

}