应用: 淘宝
任务: 打开淘宝,搜索“苹果官方旗舰店”，进入店铺，加入店铺会员
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: 苹果官方旗舰店
step_id: 4
action: CLICK
step_id: 5
action: CLICK
step_id: 6
action: CLICK
step_id: 7
action: STOP