select下拉框value重复时错误显示不一致

[peinkid]

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

Version

1.6.4

Environment

https://codesandbox.io/s/elegant-kapitsa-4ne39?file=/src/components/HelloWorld2.vue

Reproduction link

Steps to reproduce

先使用arr数据，控制发现重复value,报TypeError: Cannot read property 'key' of undefined
再使用brr数据，控制台不报错
请问这个原理是什么，怎么处理的

What is expected?

能提供此现象的原理以及统一处理

What is actually happening?

重复value但现象不一致

[sendya]

brr 也一样报错

[peinkid]

你好，key重复的错都会报，但TypeError: Cannot read property 'key' of undefined 这个错误为什么只有arr会报

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------------------&nbsp;原始邮件&nbsp;------------------ 发件人: "vueComponent/ant-design-vue" <notifications@github.com&gt;; 发送时间:&nbsp;2020年8月19日(星期三) 下午5:40 收件人:&nbsp;"vueComponent/ant-design-vue"<ant-design-vue@noreply.github.com&gt;; 抄送:&nbsp;"破晓兔"<1611851246@qq.com&gt;;"Author"<author@noreply.github.com&gt;; 主题:&nbsp;Re: [vueComponent/ant-design-vue] select下拉框value重复时错误显示不一致 (#2719) brr 也一样报错 — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub, or unsubscribe.

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