BUG: Deer sometimes migrate indoors Optimization: After the demolition operation, the demolition icon is immediately displayed BUG: When building a brazier or fireplace, the heat area preview is not displayed BUG: The quarry and anthill are built on the road. After the terrain is damaged, the road cannot be repaired Optimization: After confirming or mining the stones and minerals on the ground, put them directly into the worker's backpack instead of throwing them on the ground New function: Letter system: When there are too many items on the ground, scavengers will ask to help players clean up the ground, provided that the players provide basic supplies such as tools and clothes New function: Letter system: When there are too many collection tasks, the contractor can send people to assist the players in mining, provided that a part of the collection output is taken away New function: Letter system: There will be mysterious merchants randomly purchasing a large amount of certain items. Possible premium or price reduction (items held by players in large quantities) New features: Letter system: The King's patrol patrols every 5 years. Players can request assistance in battles on the condition that they provide a certain amount of strong liquor and fine food New features: Letter system: When a player is starving, a mysterious organization will provide support, but will require the player to take away half of their children