                  return shape;
                    }

                    return {
                        type: 'group',
                        children: children
                    };
                }

                var option = {
                    tooltip: {
                    },
                    legend: {
                        data: ['bar', 'error']
                    },
                    dataZoom: [{
                        type: 'slider'
                    }, {
                      