饼图右侧的图例的间距是否支持自定义？echarts 饼配置项内容和展示

另外legend的value能否显示在图例上 而且和name两端对齐

      app.title = '环形图';

option = {
    tooltip: {
        trigger: 'item',
        formatter: "{a} <br/>{b}: {c} ({d}%)"
    },
    legend: {
        orient: 'vertical',        
        right: 10,
        top: '40%',
        bottom: 20,
        data:[{name: '直接访问', value: '12%'} ,{ name: '邮件营销', value: '22%'}, {name: '联盟广告', value: '42%'}, {name: '视频广告', value: '12%'},{name: '搜索引擎', value: '42%'}]
    },
    series: [
        {
            name:'访问来源',
            type:'pie',
            radius: ['50%', '70%'],
            avoidLabelOverlap: false,
            label: {
                normal: {
                    show: false,
                    position: 'center'
                },
                emphasis: {
                    show: false,
                    textStyle: {
                        fontSize: '30',
                        fontWeight: 'bold'
                    }
                }
            },
            labelLine: {
                normal: {
                    show: false
                }
            },
            data:[
                {value:335, name:'直接访问'},
                {value:310, name:'邮件营销'},
                {value:234, name:'联盟广告'},
                {value:135, name:'视频广告'},
                {value:1548, name:'搜索引擎'}
            ]
        }
    ]
};