环形图中心位置放置图片
graphic: { elements: [ { type: 'image', style: { image: centerBg, width: 74, height: 74, }, left: 'center', top: 'center', }, ], },
graphic: { elements: [ { type: 'image', style: { image: centerBg, width: 74, height: 74, }, left: 'center', top: 'center', }, ], },