Hi Odeum,
we did and a lot. Nevertheless, a software-product, no matter how much testing has been put in in what quantity of resources will never be 100% bug-free.
but if you are running into any kind of problem bugs, please feel to report those in order for us to get this sorted and possibly fixed.
Bugreport-section for bugreports: https://steamhost.cn/steamcommunity_com/app/492720/discussions/2/
-cheers