message: add slide props: allowVerticalScroll
diff: click: {
  type: Boolean,
  default: true
  + },
  + allowVerticalScroll: {
  + ype: Boolean,
  + default: true
  }
  },
  data() {
  _initSlide() {
  this.slide = new BScroll(this.$refs.slide, {
  scrollX: true,
  - eventPassthrough: 'vertical',
  + eventPassthrough: this.allowVerticalScroll ? 'vertical' : false,
  momentum: false,
  snap: {
  loop: this.loop,
  