应用: 淘宝
任务: 去淘宝，买一箱湿巾，寄到朝阳科技园那个地址
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