执行后，会在鼠标的位置亮起一盏油灯，随着鼠标的移动，灯也会移动，并且光线被货物遮挡的情况会实时计算-After the execution will be in the position of the mouse light up a lamp, with the movement of the mouse, the lamp will also move, and the light will be cargo real-time computing