(echarts) {

                var categoryData = [];
                var errorData = [];
                var barData = [];
                var dataCount = 100;
                for (var i = 0; i < dataCount; i++) {
                    var val = Math.random() * 1000;
                    categoryData.push('category' + i);
                    errorData.push([
                        i,
                        echarts.number.round(Math.max(0, val - Math.random() * 100)),
                        echarts.number.rou