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- [x] I have searched the [issues](https://github.com/vueComponent/ant-design-vue/issues) of this repository and believe that this is not a duplicate.
### What problem doe…
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- [ ] I have searched the [issues](https://github.com/vueComponent/ant-design-vue/issues) of this repository and believe that this is not a duplicate.
### Version
1.7.7
…
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- [ ] I have searched the [issues](https://github.com/vueComponent/ant-design-vue/issues) of this repository and believe that this is not a duplicate.
### Version
2.2.8
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配置了expandedRowRender时，能不能加个参数，不默认展示前面的加号?
我期望把它当成受控组件来用，自己控制怎么展示。
p.s. 文档里没看到`onExpandedRowsChange`这个props，是故意的?
``` jsx
(
hello
)}
/>
```
 TypeError: Cannot read properties of undefined (reading 'commit')
at VueComponent.mappedMutation…
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提问前请确认以下几点信息，否则你的问题将不会被解答
## 详细描述你的问题
使用antd-vue框架里面的Cascader级联组件时，选项列表只有第一个选项旁出现展开箭头，其余选项旁没有展开箭头（正常是所有选项旁都有展开箭头的），且相关展开功能会有问题。
 of this repository and believe that this is not a duplicate.
### Version
2.2.8
…
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- [x] I have searched the [issues](https://github.com/vueComponent/ant-design-vue/issues) of this repository and believe that this is not a duplicate.
### Version
1.7.7
…
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- [x] I have searched the [issues](https://github.com/vueComponent/ant-design-vue/issues) of this repository and believe that this is not a duplicate.
### Version
antd-vu…