2.风扇加上图形界面，及快慢调节按钮、风扇叶片颜色调节选项，并添加相应的事件监听器完成对应的事件处理。（可选：为风扇绑定定时器，使得其能完成在特定时间启动，特定时间关闭，或是设定工作时长。）(fan with graphical interface, and speed adjustment button, fan blade color adjustment options, and add the corresponding event listener to complete the corresponding event processing. (optional: bind the timer for the fan, enabling it to start at a specific time, turn off at a specific time, or set the length of the work.))