mop the floor, anywhere water!

use WASD and Space to move and mop the floor, and Direction key ;

使用WASD移动，空格键拖地，方向键控制朝向；

Go to the mop bucket and squeeze out the water;

走到拖把桶挤掉水分；

The game is not finished, there is no end condition;

游戏没有完成，没有结束条件；