无法访问＆＃39; https://github.com/facebook/facebook-ios-sdk.git/&#39 ;:连接到github.com:3128失败;操作超时

Question

我尝试安装Cocoapods Facebook-iOS-SDK但我收到以下错误

    Installing Facebook-iOS-SDK (3.12.0)
[!] Pod::Executable remote update

Fetching origin
fatal: unable to access 'https://github.com/facebook/facebook-ios-sdk.git/': Failed connect to github.com:3128; Operation timed out

error: Could not fetch origin

感谢