应用: 得物
任务: 打开得物，搜索“运动背包”，点击商品，查看正品证书
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 运动背包
step_id: 3
action: CLICK
step_id: 4
action: CLICK