CDN: trunk URL couldn't be downloaded: https://cdn.jsdelivr.net/cocoa/Specs/5/1/0/Toast/2.0/Toast.podspec.json Response: Couldn't connect to server

1. 在podfile中加入添加source 'https://github.com/CocoaPods/Specs.git'
2. 执行pod repo remove trunk
3. 再执行 pod install