应用: 小红书
任务: 打开小红书，找到一个叫"momo"的账号，把他拉黑
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: momo
step_id: 3
action: CLICK
step_id: 4
action: CLICK