应用: 抖音
任务: 用抖音查看消息，并回复评论‘加油哦’
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: 加油哦
step_id: 5
action: CLICK
step_id: 6
action: STOP