应用: 京东
任务: 打开京东，进入秒杀页面，在秒杀栏目选择一箱牛奶加入购物车
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: SWIPE
step_id: 4
action: SWIPE
step_id: 5
action: SWIPE