message: fix(Sticky): should not detect scroll when hidden
diff: +import { isHidden } from '../utils/dom/style';
  import { createNamespace, isDef } from '../utils';
  -import { BindEventMixin } from '../mixins/bind-event';
  import { getScrollTop, getElementTop, getScroller } from '../utils/dom/scroll';
  +import { BindEventMixin } from '../mixins/bind-event';
  const [createComponent, bem] = createNamespace('sticky');
  @@ -59,6 +60,10 @@ export default createComponent({
  methods: {
  onScroll() {
  + if (isHidden(this.$el)) {
  + return;
  + }
  +
  this.height = this.$el.offsetHeight;
  const { container } = this;
  