应用: 今日头条
任务: 打开今日头条，切换到视频板块，浏览新闻解读视频
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
step_id: 4
action: TYPE
type_text: 新闻解读
step_id: 5
action: CLICK
step_id: 6
action: CLICK
step_id: 7
action: STOP