0. Added extra protection to the item storage to prevent data loss due to an excessive number of trains.

1. Implemented automatic saving of train building data and item storage data, creating a backup every 15 minutes to ensure data integrity.

2. Fixed an issue allowing bags to be placed in their own storage space.

3. Fixed an issue where backpacks could not be removed even when empty due to items getting stuck.

4. Fixed a dynamic change in fog effects during initial snowfield loading; this was changed to be static during the first load to avoid impacting the user experience.

5. Added a black overlay that initially fades to light, improving the viewing experience.

6. Fixed display adaptation issues on the homepage across different resolutions.

7. Continuously optimize performance and display.

8. Continuously optimize the details of each map.