应用: 美团
任务: 打开美团，搜索‘火锅’，进入第一个商家，领取优惠券
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 火锅
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: CLICK