Afk system

Riot this afk system is absolute sht i was playing a ranked game i was in my promos my connection crashed and it took alot if time to comeback when it camback i joined it said im afk and everything i just ignored it so i came back to the game CARRIED my team and won the game but still counted as a fucking lose this is r%%%%%ed i came back and i even won my team the game fix this bullsht