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@benbtx Please provide a demo for the issue either with https://codepen.io/Ovilia/pen/dyYWXWM or https://gallery.echartsjs.com/editor.html .

对于这类关系图 https://echarts.apache.org/examples/zh/editor.html?c=graph-force
如果有一个中心节点[0]，周边有三类节点([1,2,3] [4,5,6] [7,8,9])都跟这个中心节点相连，其他没有相连，那么，如何使得渲染的时候，1、2、3挨在一起，4、5、6挨在一起，7、8、9挨在一起，这样一个簇一个簇的排序，而不是无序的排列。请问如何操作？？？谢谢