dayjs('2016年10月11日', 'YYYY年MM月DD日') get Invalid Date

[simonyouth]

Describe the bug

Use the latest version of dayjs

dayjs('2016年10月11日', 'YYYY年MM月DD日')

result
M {$L: 'en', $d: Invalid Date, $x: {…}, $y: NaN, $M: NaN, …}

but in 1.8.21
result
M {$L: 'en', $u: undefined, $d: Tue Oct 11 2016 00:00:00 GMT+0800 (中国标准时间), $y: 2016, $M: 9, …}

Why can't the content containing Chinese be parsed normally in the latest version?

[Bykiev]

Hi, I've tried to reproduce the issue with this demo, but I can't, can you please modify the demo to show the issue?

[iamkun]

This dependent on CustomParseFormat plugin to work

[YSHIDM]

这取决于CustomParseFormat插件的工作

能合并就好了，这个api太容易引发误会