@startuml
left to right direction

actor User

rectangle "便签功能" {
  User -> (创建新便签)
  User -> (删除便签)
  User -> (移动便签)
  User -> (修改保存便签内容)
  User -> (获取便签ID)
  User -> (标记便签颜色)
  User ---> (设置便签的提醒时间和日期)
  User -> (监听笔记设置的更改)
  User -> (新建文件夹)
  User -> (导出便签内容)
  User -> (同步便签信息)
  User ---> (检索便签内容)
  User --> (设置提醒时间)
}

@enduml