应用: 闲鱼
任务: 打开闲鱼，搜索“台式机主机”，点击第二条商品，添加关注
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 台式机主机
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: CLICK
step_id: 6
action: STOP