应用: 快手
任务: 打开快手，进入‘我’页面，将昵称改为‘城市夜行者’
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