CatWithWings edited a comment on issue #10471: expandAndCollapse 收缩tree图渲染异常，旧分支没有擦除 URL: https://github.com/apache/incubator-echarts/issues/10471#issuecomment-492896166 > You can see [here](https://github.com/apache/incubator-echarts/blob/master/src/chart/tree/TreeView.js#L104). So, does the data I pass in have nothing to do with the diff of the graph? Try this options: ` const options = { tooltip: { trigger: 'item', triggerOn: 'mousemove' }, series: [ { type: 'tree', data: [{ name: "Root", children: [ { "name": "ss", "children": [ { "id": "71", "name": "alan", "children": [ { "id": "55", "name": "test11" }, { "id": "02", "name": "test12" } ] }, { "id": "24", "name": "liu", "children": [ { "id": "71", "name": "测25试2222222222222222", } ] } ] } ] }], top: '1%', left: '7%', bottom: '1%', right: '20%', symbolSize: 7, label: { normal: { position: 'left', verticalAlign: 'middle', align: 'right', fontSize: 9 } }, leaves: { label: { normal: { position: 'right', verticalAlign: 'middle', align: 'left' } } }, expandAndCollapse: true, initialTreeDepth: 3, animationDuration: 550, animationDurationUpdate: 750 } `
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