应用: 饿了么
任务: 打开饿了么，进入零食商城，选择首页第一个商品
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 零食商城
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: CLICK