通过nginx代理,出现upstream错误,请教

通过nginx反向代理,seafile安装在另一台windows机器,出现upstream错误,请教
后台提示错误,打开网页bad gateway
2017/02/09 09:29:31 [error] 3692#0: *8773 upstream sent unsupported FastCGI protocol version: 72 while reading response header from upstream, client: 192.168.2.114, server: sea.X.X.cn, request: “GET / HTTP/1.1”, upstream: “fastcgi://192.168.5.185:8000”, host: “sea.X.X.cn
配置文件如下:
URL已经设置为:sea.X.cn和sea.X.cn/seafhttp
server
{
listen 192.168.5.205:80;
server_name sea.X.cn;
proxy_set_header X-Forwarded-For $remote_addr;
location / {
fastcgi_pass 192.168.5.185:8000;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param PATH_INFO $fastcgi_script_name;
fastcgi_param SERVER_PROTOCOL $server_protocol;
fastcgi_param QUERY_STRING $query_string;
fastcgi_param REQUEST_METHOD $request_method;
fastcgi_param CONTENT_TYPE $content_type;
fastcgi_param CONTENT_LENGTH $content_length;
fastcgi_param SERVER_ADDR $server_addr;
fastcgi_param SERVER_PORT $server_port;
fastcgi_param SERVER_NAME $server_name;
fastcgi_param REMOTE_ADDR $remote_addr;
}

location /seafhttp {
rewrite ^/seafhttp(.*)$ $1 break;
proxy_pass http://192.168.5.185:8082;
client_max_body_size 0;
proxy_connect_timeout 36000s;
proxy_read_timeout 36000s;
}
access_log logs/sea_access.log;
error_log logs/sea.error.log;
}