BTW this is my report stats and my target is to get the 100% accuracy in future

You know that is
impossible, right?
It's possible, the percentage is rounded up.
LoyceMobile has 100% accuracy with 330 good, 2 bad, and 18 unhandled reports.
It's same with me, 100% accuracy with 1950 good, 5 bad, 2 unhandled