add nginx_code for httpcode
add nginx_code for httpcode

leexingwang/tsar,efengcloud/tsar,tangyiyong/tsar,tangyiyong/tsar,bkeep/tsar,justintung/tsar,allen-zkm/tsar,xdddyzxzjyqc/monitorhp,alibaba/tsar,bkeep/tsar,alibaba/tsar,efengcloud/tsar,xdddyzxzjyqc/monitorhp,allen-zkm/tsar,billychou/tsar,kongjian/tsar,kongjian/tsar,justintung/tsar,billychou/tsar,leexingwang/tsar