应用: 飞猪
任务: 打开飞猪，将昵称改为‘自由行者’
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: CLICK
step_id: 5
action: CLICK
step_id: 6
action: TYPE
type_text: 自由行者
step_id: 7
action: CLICK