         },
                        itemStyle: {
                            normal: {
                                color: '#77bef7'
                            }
                        }
                    }, {
                        type: 'custom',
                        name: 'error',
                        renderItem: renderItem,
                        dimensions: dimensions,
                        encode: {
                            x: [2, 3, 4],
                            y: [1, 5, 6],
  