应用: 淘宝
任务: 打开淘宝,从淘宝首页，进入视频频道，搜索“林珊珊”，进入直播间，关注主播
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: TYPE
type_text: 林珊珊
step_id: 4
action: CLICK
step_id: 5
action: STOP