应用: 京东
任务: 打开京东，进入‘客户服务’页面，联系在线客服
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: CLICK
step_id: 5
action: STOP