Bohden

### Describe the bug 使用自动布局那个例子，将align改为UL，给第二层节点增加若干，给增加的最后一个第二层节点增加一个第三层节点，这时自动布局会将上面的节点分到下面来，很丑  ### Your Example Website or App https://x6.antv.antgroup.com/examples/showcase/practices#orgchart ### Steps to Reproduce the Bug or Issue 1. 设置 g.setGraph({ rankdir: dir, align: "UL", nodesep: 50,...

 ``` columns: [ {title: '名称', key: 'name', slot: 'name', tree: true}, {title: '种类', key: 'type', slot: 'type'}, {title: '以太网口类型', key: 'Physics', slot: 'physics'}, {title: '操作', align: 'center', slot: 'action'},...