FIX FIDDLESTICKS FEAR

Fear always takes at least 300 ms before it goes off, letting huge space for ennemys to cast spells and even autoattack me in between ! Also, some champions can always negate my fear and use their escape before, even if he cast his escape like 1 sec after I feared him, like Tristana escape. Also, When I fear someone that is entering a bush, I hear the sound of the fear but the spell doesnt go off... As if it has a 200 ms cast time, and entering the bush just interrupt this cast. Since it's a jungler hero it happens very very often since you are ganking people that are trying to hide in bushes as you come, etc. and it is game breaking. I lost so many games just because of that :/ Can you fix it ?