应用: 飞猪
任务: 运行飞猪，变更当前城市为成都
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: 成都
step_id: 5
action: CLICK
step_id: 6
action: STOP