应用: 淘宝
任务: 去淘宝找到淘宝直播,找到今日闪降页面，购买国补闪降的第一个商品
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: CLICK
step_id: 6
action: CLICK
step_id: 7
action: STOP