RangePicker component source code getShowDateFromValue error report end.isSame is not a function

[yehoan]

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

Version

1.7.7

Environment

Vue 2.x

Reproduction link

Steps to reproduce

使用rangePicker 多个类型的时候 切换类型 然后重置 请求就报错

What is expected?

希望别报错

What is actually happening?

一直报错 导致功能阻塞

[github-actions]

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