应用: 菜鸟
任务: 打开菜鸟，进入首页，输入快递单号“YT7141378412990”查询物流
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: YT7141378412990
step_id: 3
action: CLICK
step_id: 4
action: STOP