interface Action {
  type: string,
  plyload: any
}

interface Paging {
  current: number,
  total: number,
  number: number
}

interface State<T> {
  list: Array<T>,
  paging: Paging
}

interface Model extends Object {
  id: number,
  fileName: string,
  type: string,
  updateTime: string,
  status: number
  fileUrl: string,
  ajaxStatue?: number,
  sectStep?: number
}