节点数超过100时，在一个父节点下添加多个子节点时卡顿非常明显

[girlinsouth]

节点数超过100时，在一个父节点下添加多个子节点时卡顿非常明显

[wanglin2]

麻烦提供一下demo，或者关键部分的代码截图

[girlinsouth]

` this.mindMap = new MindMap({ el: this.$refs.mindMapContainer, data: root, fit: false, enableShortcutOnlyWhenMouseInSvg: true, layout: layout, theme: theme.template, themeConfig: theme.config, viewData: view, nodeTextEditZIndex: 1000, textAutoWrapWidth: 300, nodeNoteTooltipZIndex: 1000,

    customHandleMousewheel: (e) => {
      that.mindMap.view.translateX(-e.deltaX)
      that.mindMap.view.translateY(-e.deltaY)
    },
    isUseCustomNodeContent: true,
    customCreateNodeContent: (node) => {
      // return你的自定义DOM节点
      const nodeData = node.nodeData.data;
      if (nodeData._docInfo) {
        let el = document.createElement('div')
        let Comp = Vue.extend(DocsNodeShow)
        let comp = new Comp({
          // props
          propsData: {
            nodeData: node.nodeData.data,
            mindMap: this.mindMap
          }
        });
        comp.$mount(el);
        return comp.$el;
      }
    },
    mousewheelMoveStep: 100,
    customNoteContentShow: {
      show: (content, left, top) => {
        this.$bus.$emit('showNoteContent', content, left, top)
      },
      hide: () => {
        // this.$bus.$emit('hideNoteContent')
      }
    },
    ...(config || {}),
    iconList: icon,
    useLeftKeySelectionRightKeyDrag: this.useLeftKeySelectionRightKeyDrag,
    customInnerElsAppendTo: null,
    enableAutoEnterTextEditWhenKeydown: false,
    customHandleClipboardText: handleClipboardText,
  })`