Vue hydration fails in v2.3.0

[Swedish-li]

• I confirm that this is an issue rather than a question.

Bug report

Steps to reproduce

• I prepared a reproduction repo, here is the reproduction repo:

https://example.vuepress-theme-blog.ulivz.com/

https://github.com/vuepressjs/vuepress-theme-blog/tree/master/example

• This issue doesn't need a reproduction repro, here is the steps to reproduce

What is expected?

should not have error

What is actually happening?

when i refresh the page (https://example.vuepress-theme-blog.ulivz.com/),
it has the error below

Other relevant information

vuejs/vuepress#1692 (comment)

• npx vuepress info: