[Bug Report]DatePicker range can't work normally in QQBrowser v9.6.5

[xovel]

Element UI version

2.0.1

OS/Browsers version

Windows 10 Home / QQBrowser v9.6.5

Vue version

2.5.2

Reproduction Link

http://element-cn.eleme.io/2.0/#/zh-CN/component/date-picker

Steps to reproduce

http://element-cn.eleme.io/2.0/#/zh-CN/component/date-picker#xuan-ze-ri-qi-fan-wei

Can't select a date range.

What is Expected?

Select a range correctly.

What is actually happening?

NaN

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Even in private browsing(无痕浏览) mode, the DatePicker is not able to select a range.

Tested in Microsoft Edge 40.15063.674.0/FireFox 65.0/Google Chrome 61.0.3163.100, it acted very well.

[element-bot]

Hello, this issue has been closed because it does not conform to our issue requirements. Please submit issues with issue-generator. More info can be found in #3693.