安装pod命令行不起作用macOS Catalina和Xcode 11 Beta

Question

我最近更新了macOS和Xcode的开发环境，我使用了使用Google Firestore的当前应用程序，现在尝试将存储添加到Podfile中，但是在添加并保存文档然后运行通用安装Pod时出现错误

-MBP bea % install pod
usage: install [-bCcpSsv] [-B suffix] [-f flags] [-g group] [-m mode]


           [-o owner] file1 file2
   install [-bCcpSsv] [-B suffix] [-f flags] [-g group] [-m mode]
           [-o owner] file1 ... fileN directory
   install -d [-v] [-g group] [-m mode] [-o owner] directory ...