应用: 百度
任务: 打开百度，进入“我的”页面，点击绑定手机号按钮
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