Label: {
                                formatter: function (v) {
                                    return Math.round(v/10000) + ' 万'
                                }
                            },
                            splitArea : {show : true}
                        }
                    ],
                    series : [
                        {
                            name:'成交金额(万)',
                            type:'line',
                            symbol: 'none',
         