使用 cascader 出错

[HealingW]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.6.1

Environment

macos 10.15.4,gooogle chorme 83.0.4103.97, vue 2.6.11

Reproduction link

https://www.antdv.com/components/cascader-cn/

Steps to reproduce

<script> export default { data () { return { options: [ { value: 'zhejiang', label: 'Zhejiang', children: [ { value: 'hangzhou', label: 'Hangzhou', children: [ { value: 'xihu', label: 'West Lake' } ] } ] }, { value: 'jiangsu', label: 'Jiangsu', children: [ { value: 'nanjing', label: 'Nanjing', children: [ { value: 'zhonghuamen', label: 'Zhong Hua Men' } ] } ] } ] } }, methods: { onChange (value) { console.log(value) } } } </script>

What is expected?

[Vue warn]: Unknown custom element: - did you register the component correctly? For recursive components, make sure to provide the "name" option.

What is actually happening?

啥都没有

[tangjinzhou]

提供有效的复现demo

[HealingW]

粘贴的 template 标签内容未显示。开发环境如上，直接粘贴级联选择框的 demo，在网页上无法显示，控制台提示没有组件的实例，我直接 引入 ant-design-vue/lib/cascader 这个组件也无法正常显示。

[guodh1]

@HealingW 请问解决了吗，我也遇到一样的错误

[github-actions]

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