proxy_cache cache_one_wap;
proxy_cache_valid 200 1m;
#proxy_cache_use_stale error timeout updating http_500 http_502 http_503   http_504;
#proxy_cache_revalidate on;
proxy_cache_min_uses 1;
#proxy_cache_lock on;
proxy_cache_key $host$uri$args;
#proxy_ignore_headers Cache-Control;
add_header X-Cache-Status $upstream_cache_status;