应用: 拼多多
任务: 进入拼多多的‘帮助中心’页面，点击联系客服
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: STOP