应用: 京东
任务: 打开京东app，从我的关注，找到“小米”的官方店铺，取消关注
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: STOP