tooltip插件在点击单行label时可以展示, 但点击多行label不展示

[ShichuanZhang]

demo:

<template>
    <div style="height: 100vh;">
        <div id="mountNode"></div>
    </div>
</template>
<script>
import { Graph } from '@antv/g6';
import { Renderer as SVGRenderer } from '@antv/g-svg';

export default {
    mounted() {
        const graph = new Graph({
            container: document.getElementById('mountNode'),
            width: 33000,
            height: 2000,
            renderer: () => new SVGRenderer(),
            node: {
                style: {
                    labelWordWrap: true,
                    labelWordWrapWidth: 80,
                    labelMaxLines: 4,
                }
            },
            edge: {
                style: {
                    stroke: "#007dff",
                    labelAutoRotate: false,
                    labelFontSize: 11,
                }
            },
            plugins: [
                {
                    type: 'tooltip',
                    trigger: 'click',
                    getContent: (event, items) => {
                        return "123"
                    },
                },
            ],
        });
        graph.addData({
            nodes: [{
                id: "node1",
                style: {
                    x: 100,
                    y: 100,
                    labelText: "这是一个很长的label这是一个很长的label"
                }
            },
            {
                id: "node2",
                style: {
                    x: 200,
                    y: 100,
                    labelText: "这是一个label"
                }
            }]
        })
        graph.render()
    }
}
</script>
<style scoped>
.mountNode {
    height: 100vh;
}
</style>