我希望使用谷歌广告向我的 Xcode 项目添加广告。我已经成功下载了 cocoapods 并且能够将它连接到我的 Xcode 项目，但是我在尝试下载获取广告所需的 pod 时遇到了错误。
### Error
LoadError - dlsym(0x7fdb515e63e0, Init_ffi_c): symbol not found - /Library/Ruby/Gems/2.6.0/gems/ffi-1.14.2/lib/ffi_c.bundle
/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'
/Library/Ruby/Gems/2.6.0/gems/ffi-1.14.2/lib/ffi.rb:6:in `rescue in <top (required)>'
/Library/Ruby/Gems/2.6.0/gems/ffi-1.14.2/lib/ffi.rb:3:in `<top (required)>'
/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'
/Library/Ruby/Gems/2.6.0/gems/ethon-0.12.0/lib/ethon.rb:2:in `<top (required)>'
/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'
/Library/Ruby/Gems/2.6.0/gems/typhoeus-1.4.0/lib/typhoeus.rb:2:in `<top (required)>'
/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'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/sources_manager.rb:74:in `cdn_url?'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/sources_manager.rb:36:in `create_source_with_url'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/sources_manager.rb:21:in `find_or_create_source_with_url'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/installer/analyzer.rb:178:in `block in sources'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/installer/analyzer.rb:177:in `map'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/installer/analyzer.rb:177:in `sources'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/installer/analyzer.rb:143:in `update_repositories'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/installer.rb:235:in `block in resolve_dependencies'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/installer.rb:234:in `resolve_dependencies'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/installer.rb:160:in `install!'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/command/install.rb:52:in `run'
/Library/Ruby/Gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:334:in `run'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/lib/cocoapods/command.rb:52:in `run'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.1/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:23:in `load'
/usr/local/bin/pod:23:in `<main>'
这是我在尝试使用命令 install pod --repo-update 时收到的错误消息。我已经更新了 cococapods，但仍然有这个问题。为此，我正在使用 M1 MacBook Pro。你知道如何解决这个问题吗？