message: fix: popper isFixed
diff: @@ -67,7 +67,7 @@ const getPlacement = (attachEleRect, container, props, state) => {
  if (!attachEle) return
  let containerHeight = document.documentElement.clientHeight || document.body.clientHeight
  - if (isFixed(attachEle) && !isBody(container)) {
  + if (isFixed(attachEle)) {
  containerHeight = container.clientHeight
  }
  if (isBody(container)) {
  