Thanks for the info.
I passed the information to the technical support service.
Regarding your last question about the holiday event:
1. Rewards for entering the game. Our users will receive rewards by in-game mail after the end of this event
2. Avatar frame. All eligible players will also receive it via in-game mail
3. New appearance of the castle. Unfortunately, players on our platform cannot get it because no one meets the requirements. It can only be received by those who registered before March 20, 2020, i.e. has been playing for a year, and our game was launched in April