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我最近更新到 ruby​​ v 2.6 升级后，我遇到安装 pod 的问题，并出现以下错误

Traceback (most recent call last):
    7: from /usr/local/bin/pod:23:in `<main>'
    6: from /usr/local/bin/pod:23:in `load'
    5: from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.8.4/bin/pod:36:in `<top (required)>'
    4: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
    3: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
    2: from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.8.4/lib/cocoapods.rb:2:in `<top (required)>'
    1: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- xcodeproj (LoadError)
    8: from /usr/local/bin/pod:23:in `<main>'
    7: from /usr/local/bin/pod:23:in `load'
    6: from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.8.4/bin/pod:36:in `<top (required)>'
    5: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
    4: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
    3: from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.8.4/lib/cocoapods.rb:2:in `<top (required)>'
    2: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:34:in …

使用 Xcode v11.3 我尝试导出 .IPA 文件并收到此错误。

\n

导出期间发生错误。无法读取数据\xe2\x80\x99，因为\n\xe2\x80\x99t 的格式不正确

\n

这显示在 IDEDistribution.standard.log 中

/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- cfpropertylist (LoadError)\n    from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'\n    from /Applications/Xcode.app/Contents/Developer/usr/bin/ipatool:15:in `<main>'\n2020-02-05 07:57:11 +0000  /Applications/Xcode.app/Contents/Developer/usr/bin/ipatool exited with 1\n2020-02-05 07:57:11 +0000  ipatool JSON: (null)\n

我尝试过rvm使用系统但没有成功。期待中感谢。