Crashing issue

I am having a problem of crashing and lagging in the game since the past few days on the first day it was only in head to head matches but from today morning itself it is showing that the lagging a came to the a micros also I have cleared the catches of the game I have restarted my device and I do have storage more than of 20 GB on my device other games doesn't have it any kind of this problem only FC mobile my game as this problem this problem as soon as possible