应用: 百度地图
任务: 打开百度地图，搜索“颐和园”，查看步行路线
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 颐和园
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: CLICK
step_id: 6
action: CLICK
step_id: 7
action: STOP