message: fix iphone6 remove event bug
diff: @@ -361,7 +361,7 @@ export class BScroll extends EventEmitter {
  return;
  }
  }
  - if (!this.enabled || (this.initiated && this.initiated !== _eventType)) {
  + if (!this.enabled || this.destroyed || (this.initiated && this.initiated !== _eventType)) {
  return;
  }
  this.initiated = _eventType;
  @@ -408,7 +408,7 @@ export class BScroll extends EventEmitter {
  }
  _move(e) {
  - if (!this.enabled || eventType[e.type] !== this.initiated) {
  + if (!this.enabled || this.destroyed || eventType[e.type] !== this.initiated) {
  return;
  }
  @@ -530,7 +530,7 @@ export class BScroll extends EventEmitter {
  }
  _end(e) {
  - if (!this.enabled || eventType[e.type] !== this.initiated) {
  + if (!this.enabled || this.destroyed || eventType[e.type] !== this.initiated) {
  return;
  }
  this.initiated = false;
  @@ -968,6 +968,7 @@ export class BScroll extends EventEmitter {
  destroy() {
  this._removeEvents();
  + this.destroyed = true
  this.trigger('destroy');
  }
  