message: fix a scroll problem under Android condition
diff: @@ -326,7 +326,8 @@ export function coreMixin(BScroll) {
  if (!this.enabled) {
  return
  }
  -
  + // fix a scroll problem under Android condition
  + this.wrapper.scrollTop = 0
  clearTimeout(this.resizeTimeout)
  this.resizeTimeout = setTimeout(() => {
  this.refresh()
  