message: fix(slide): keep the current page when resize
  fix
diff: @@ -31,7 +31,7 @@ export default class PageInfo {
  currentPage: Page & Position
  constructor(public scroll: BScroll, private slideOpt: Partial<Config>) {}
  init() {
  - this.currentPage = {
  + this.currentPage = this.currentPage || {
  x: 0,
  y: 0,
  pageX: 0,
  @@ -71,8 +71,8 @@ export default class PageInfo {
  let initPageX = this.loopX ? 1 : 0
  let initPageY = this.loopY ? 1 : 0
  return {
  - pageX: initPageX,
  - pageY: initPageY
  + pageX: this.currentPage.pageX || initPageX,
  + pageY: this.currentPage.pageY || initPageY
  }
  }
  getRealPage(page?: Page): Page {
  