[Bug] 桑基图 source为0的节点，tooltip没有标签 #4488
Description
Version
2.0.16
Link to Minimal Reproduction
Steps to Reproduce
`const spec = {
type: 'sankey',
data: [
{
values: [
{
nodes: [
{ nodeName: "Agricultural 'waste'" },
{ nodeName: 'Bio-conversion' },
{ nodeName: 'CCCCC' },
{ nodeName: 'DDD' },
],
links: [
{ source: 0, target: 2, value: 124.729 },
{ source: 2, target: 3, value: 124.729 },
]
}
]
}
],
categoryField: 'nodeName',
valueField: 'value',
sourceField: 'source',
targetField: 'target',
label: {
visible: true,
style: {
fontSize: 10
}
},
};
const vchart = new VChart(spec, { dom: CONTAINER_ID });
vchart.renderSync();
// Just for the convenience of console debugging, DO NOT COPY!
window['vchart'] = vchart;`
Current Behavior
桑基图 source为0的节点，tooltip没有标签
Expected Behavior
桑基图 source为0的节点，tooltip显示标签
Environment
- OS:
- Browser:
- Framework:Any additional comments?
No response