I think it's the problem of your extension, because of the situation of disabling your extention.
when I type some word(may be chinese word), the codeblocks sometimes disappear, and when I disable your extension, it appears.(you can see two codeblocks in the image)

I think it's the problem of your extension, because of the situation of disabling your extention.
when I type some word(may be chinese word), the codeblocks sometimes disappear, and when I disable your extension, it appears.(you can see two codeblocks in the image)