1. Optimized AI automatic minesweeping code: [list] [*] Reduced the number of rule judgments and doubled the speed of AI minesweeping. [*] All blank blocks will be opened and lines will be erased every time after the AI automatically clears mines. [/list] 2. Modified the disappearing animation effect: now the manipulated grid will be displayed before the disappearing row, and then the disappearing animation will be displayed