There are lots of event ticks 
and i solved the problem. There were enemy ai’s in my scene like 10-15 that has ai follow things etc.I deleted them all and lag solved.
So now i will make that ai’s with c++
There are lots of event ticks 
and i solved the problem. There were enemy ai’s in my scene like 10-15 that has ai follow things etc.I deleted them all and lag solved.
So now i will make that ai’s with c++