Hello, inner earth adventurers! We have released a minor update that brings you following improvements: 1. Fixed the bug where the Delivery Station could occasionally cause the game progress to freeze; 2. Fixed the bug where the Delivery Machine could occasionally get stuck in place; 3. Fixed the bug where closing the game could occasionally lead to the program becoming unresponsive; 4. Fixed the bug where the elevator UI could occasionally display incorrect floor options; 5. Optimized some frame drop situations;