我正在尝试为 Github Page/Jekyll 站点做出贡献，并希望能够在本地可视化更改，但是当我运行时却bundle exec jekyll serve得到以下输出：
bundler: failed to load command: jekyll (/usr/local/lib/ruby/gems/3.0.0/bin/jekyll)
/usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/html.rb:10:in `require': cannot load such file -- rexml/parsers/baseparser (LoadError)
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/html.rb:10:in `<top (required)>'
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/kramdown/html.rb:10:in `require'
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/kramdown/html.rb:10:in `<top (required)>'
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/kramdown/paragraph.rb:14:in `require'
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/kramdown/paragraph.rb:14:in `<top (required)>'
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/kramdown.rb:345:in `require'
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/kramdown.rb:345:in `<class:Kramdown>'
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/kramdown.rb:60:in `<module:Parser>'
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/kramdown.rb:19:in `<module:Kramdown>'
from /usr/local/lib/ruby/gems/3.0.0/gems/kramdown-1.17.0/lib/kramdown/parser/kramdown.rb:17:in `<top (required)>'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-3.8.5/lib/jekyll/converters/smartypants.rb:3:in `require'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-3.8.5/lib/jekyll/converters/smartypants.rb:3:in `<top (required)>'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-3.8.5/lib/jekyll.rb:13:in `require'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-3.8.5/lib/jekyll.rb:13:in `block in require_all'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-3.8.5/lib/jekyll.rb:12:in `each'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-3.8.5/lib/jekyll.rb:12:in `require_all' …我的问题：我有一个基于 jekyll 的静态网站；运行后bundle exec jekyll serve（按照 jekyll 文档的指示），我得到下面的堆栈跟踪。我在堆栈跟踪中为该博客文章文件创建的 Markdown 文件完全是标准语法。我已经用谷歌搜索了具体的错误，并获取了类似错误的帖子，但这些错误并不能解决我的问题。我还搜索了 jekyll 文档，看看是否存在任何不兼容的情况，但运气不佳。
Writing: /home/REDACTED/projects/thomdlee.github.io/_site/jekyll/update/2020/12/28/currently-in-maintenance.html
done in 0.356 seconds.
jekyll 3.9.0 | Error: no implicit conversion of Hash into Integer
/home/REDACTED/.rbenv/versions/3.0.0/lib/ruby/gems/3.0.0/gems/pathutil-0.16.2/lib/pathutil.rb:502:in `read': no implicit conversion of Hash into Integer (TypeError)
from /home/REDACTED/.rbenv/versions/3.0.0/lib/ruby/gems/3.0.0/gems/pathutil-0.16.2/lib/pathutil.rb:502:in `read'
我的所有代码都可以在 github 上找到： https: //github.com/thomdlee/thomdlee.github.io
我的环境：