Strategy tester problem

With so little information it is only possible to suggest that the problem is with the EA, not the strategy tester

Yes i think it's problem of the experts , because two of my experts have this problem , but sometimes when i test them in another metatrader it works good and sometimes after 2 or 3 times of testing it will begin to get trades every seconds and close them with 1 pip , do you have any idea?

We can't see your broken code. You need to fix your code.