[GAMEPLAY]garen's q after quick fist attack never critical strike

today i create a custom game ,i use garen. in game i buy more critical strike item.then my critlcal chance have 100% . but when i have 100% chance.i use Q ,after Q fist attack dont critical strike.and damage is low. https://plus.google.com/u/0/116239057536497058780/posts/H4Fj5cZVnCS?pid=6211186509582205906&oid=116239057536497058780