应用: 哔哩哔哩
任务: 打开哔哩哔哩，搜索“法律常识”并关注
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 法律常识
step_id: 3
action: CLICK
step_id: 4
action: CLICK