没有 padding 的水球图echarts 球配置项内容和展示

      var option = {
    series: [{
        type: 'liquidFill',
        radius: '80%',
        data: [0.5, 0.45, 0.4, 0.3],
        shape: 'rect',
        outline: {
            borderDistance: 0
        }
    }]
};