应用: 快手
任务: 进入快手，搜索“小明”并关注他
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 小明
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: STOP