code: function (zr) {
          this.__zr = null;
          // 移除动画
          var animators = this.animators;
          if (animators) {
              for (var i = 0; i < animators.length; i++) {
                  zr.animation.removeAnimator(animators[i]);
              }
          }
  
          if (this.clipPath) {
              this.clipPath.removeSelfFromZr(zr);
          }
      }
docs: Remove self from zrender instance.
  Not recursively because it will be invoked when element added to storage.
  @param {module:zrender/ZRender} zr