#防盗链
location ~ .*.(gif|jpg|jpeg|png|bmp|swf)$
{
valid_referers none blocke *.huabaik.com www.huabaik.com m.huabaik.com *.baidu.com *.google.com;
if ($invalid_referer) {
rewrite ^/ https://www.huabaik.com/skin/yisvip/picture/logo.png;
#return 404;
}
proxy_pass http://www.huajiang.cc;
expires 30d;
}