message: change params
diff: @@ -341,9 +341,9 @@ export function coreMixin(BScroll) {
  if (!this.moved) {
  if (this.options.wheel) {
  if (this.target && this.target.className === this.options.wheel.wheelWrapperClass) {
  - let tempIndex = this._getWheelValidIndex(this.y)
  + let index = this._getWheelValidIndex(this.y)
  let _offset = Math.round((this.pointY + offsetToBody(this.wrapper).top - this.wrapperHeight / 2) / this.itemHeight)
  - this.target = this.items[tempIndex + _offset]
  + this.target = this.items[index + _offset]
  }
  let top = offset(this.target).top
  let left = offset(this.target).left
  