<div id="section7" class="p60">
    <div class="container">
        <p class="text-center text-title">CMA核心內(nèi)容</p>
        <div class="col-md-6 text-center pt60">
            <div id="pie1" style="width: 100%;height:400px;"></div>
        </div>
        <div class="col-md-6 text-center pt60">
            <div id="pie2" style="width: 100%;height:400px;"></div>
        </div>
    </div>
</div>

var myChart1 = echarts.init(document.getElementById('pie1'));
    var myChart2 = echarts.init(document.getElementById('pie2'));

   option1 = {
        tooltip: {
            trigger: 'item',
            formatter: "{a} <br/>: {c} (cqdtdgtli%)"
        },
        legend: {
            show: false,
            orient: 'vertical',
            x: 'left',
            data: ['20%-成本管理', '20%-績效管理', '15%-對(duì)外財(cái)務(wù)-報(bào)告決策', '15%-內(nèi)部控制', '30%-規(guī)劃預(yù)算-編制與預(yù)測(cè)']
        },
        graphic:{
            type:'text',
            left:'center',
            top:'center',
            style:{
                text:'Part1\n   財(cái)務(wù)規(guī)劃，績效和控制\n  Financial Reporting ,\nPlanning,Performance\n and Control',
                textAlign:'center',
                fill:'#000',
                width:30,
                height:30
            }
        },
        series: [
            {
                name:'訪問來源',
                type: 'pie',
                radius: ['35%', '65%'],
                itemStyle: {
                    normal:{
                        label:{
                            show:true,
                            textStyle:{color:'#3c4858',fontSize:"18"},
                            formatter:function(val){   //讓series 中的文字進(jìn)行換行
                                return val.name.split("-").join("\n");}
                        },
                        title:{
                          text:'aaaa'
                        },
                        labelLine:{
                            show:true,
                            lineStyle:{color:'#3c4858'}
                        }
                    },
                    emphasis: {
                        shadowBlur: 10,
                        shadowOffsetX: 0,
                        shadowColor: 'rgba(0, 0, 0, 0.5)',
                        textColor:'#000'
                    }
                },
                data: [
                    {value: 20, name: '20%-成本管理'},
                    {value: 20, name: '20%-績效管理'},
                    {value: 15, name: '15%-對(duì)外財(cái)務(wù)-報(bào)告決策'},
                    {value: 15, name: '15%-內(nèi)部控制'},
                    {value: 30, name: '30%-規(guī)劃預(yù)算-編制與預(yù)測(cè)'}
                ]
            }
        ],
        color: ['rgb(61,171,232)','rgb(95,193,215)','rgb(146,198,96)','rgb(59,175,134)','rgb(53,128,198)']
    };
    myChart1.setOption(option1);

現(xiàn)在是這樣的
但是我想在環(huán)形的中間添加文字
還想改變折線的樣式變?yōu)橄旅孢@樣

請(qǐng)問如何修改