message: [bugfix] Collpase: height calc error when set user-select none
diff: @@ -73,7 +73,7 @@ export default sfc({
  this.inited = true;
  }
  - this.$nextTick(() => {
  + raf(() => {
  const { content, wrapper } = this.$refs;
  if (!content || !wrapper) {
  return;
  