pod search 报错 (更新了macOS Catalina)

pod search sdwebimage

报错如下：

[!] CDN: trunk Repo update failed - 2 error(s):

CDN: trunk URL couldn't be downloaded: https://raw.githubusercontent.com/CocoaPods/Specs/master/Specs/4/a/2/afn/1.0.0/afn.podspec.json, error: Failed to open TCP connection to raw.githubusercontent.com:443 (Connection refused - connect(2) for "raw.githubusercontent.com" port 443)

CDN: trunk URL couldn't be downloaded: https://raw.githubusercontent.com/CocoaPods/Specs/master/Specs/4/a/2/afn/1.2.0/afn.podspec.json, error: Failed to open TCP connection to raw.githubusercontent.com:443 (Connection refused - connect(2) for "raw.githubusercontent.com" port 443)

解决：

执行pod repo remove trunk移除trunk源，pod search 就可以了

参考文档：[!] CDN: trunk Repo update failed