bug mouse lag

hi riot i play league of legends from 2018 to now but in the last patch 10.1 i have a big problem every game have a mouse lag and i can't play peacefully in the first i change vidéo setting to very low and i have 60-70 fpls and 70 ms but i have same bug pls riot i love this game and i everyday play but with this bug i can't play and i don't know why this bug plss riot games give me solution and thx gmail (to send a solution) :hazoxboss@gmail.com {{sticker:cass-cry}}
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