应用: 淘宝
任务: 去淘宝关注店铺页面，取消关注第一家店铺
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: STOP