server {

        listen       443 ssl;

        server_name  yourdomain.com.cn;

        ssl  on;

    #    ssl_certificate      cert.pem;

    #    ssl_certificate_key  cert.key;

        ssl_certificate C://nginx-1.14.2//ssl//00000000.pem;

        ssl_certificate_key  C://nginx-1.14.2//ssl//000000000.key;

        large_client_header_buffers 4 32k;

        #error_page 504 //50x.html;

        #location = //50x.html {

        #    root C://nginx-1.14.2//html;

        #    internal;

        #}

    #    ssl_session_cache    shared:SSL:1m;

    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;

    #    ssl_prefer_server_ciphers  on;

        location / {

            proxy_pass http://localhost:51980;

            proxy_http_version 1.1;

            proxy_set_header Upgrade $http_upgrade;

            proxy_set_header Connection keep-alive;

            proxy_set_header Host $host;

            proxy_cache_bypass $http_upgrade;

            proxy_connect_timeout 60s;

            proxy_send_timeout    60s;

            proxy_read_timeout    60s;

            send_timeout          60s;

            sendfile on;

            proxy_buffer_size 64k;

            proxy_buffers  32 32k;

            proxy_busy_buffers_size 128k;

            fastcgi_buffers 8 16k;

            fastcgi_buffer_size 32k;

            client_max_body_size 8M;

        }

    }

    server {

        listen       80;

        server_name yourdomain.com.cn;

        large_client_header_buffers 4 32k;

        return 301  https://$host$request_uri;

    }