add docs for some option apis
add docs for some option apis

waruqi/xmake,tboox/xmake,tboox/xmake,tboox/xmake,waruqi/xmake,waruqi/xmake,waruqi/xmake,tboox/xmake,waruqi/xmake,tboox/xmake,waruqi/xmake,tboox/xmake,waruqi/xmake,tboox/xmake