SOURCE

const graph = new X6.Graph({
      container: document.getElementById('container'),
      width: 800,
      height: 600
})

const node = graph.addNode({
    x: 80,
    y: 80,
    width: 160,
    height: 60,
    shape: 'html',
    data: {
    time: new Date().toString()
    },
    html: {
        render(node) {
            const data = node.getData()
            return (
            `<div>
                <span>${data.time}</span>
            </div>`
            )
        },
        shouldComponentUpdate(node) {
            // 控制节点重新渲染
            return node.hasChanged('data')
        }
    }
})

<script src="https://unpkg.com/@antv/x6@1.7.7/dist/x6.js"></script>
<div id="container"></div>