message: Fix that refresh hover called twice.
diff: @@ -227,14 +227,14 @@ ZRender.prototype = {
  */
  refreshImmediately: function () {
  // var start = new Date();
  +
  // Clear needsRefresh ahead to avoid something wrong happens in refresh
  // Or it will cause zrender refreshes again and again.
  - this._needsRefresh = false;
  + this._needsRefresh = this._needsRefreshHover = false;
  this.painter.refresh();
  - /**
  - * Avoid trigger zr.refresh in Element#beforeUpdate hook
  - */
  - this._needsRefresh = false;
  + // Avoid trigger zr.refresh in Element#beforeUpdate hook
  + this._needsRefresh = this._needsRefreshHover = false;
  +
  // var end = new Date();
  // var log = document.getElementById('log');
  // if (log) {
  