应用: 拼多多
任务: 在拼多多里打开‘帮助中心’，选择联系客服选项
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