cocoapods找不到第三方库 [!] Unable to find a pod with name, author, summary, or description matching AFNetworking

方法一：

删除cocoapods的索引，然后重新search

rm ~/Library/Caches/CocoaPods/search_index.json    pod search AFNetworking

出现

Creating search index for spec repo 'master'.. Done!

会触发cocoapods重新拉这个索引文件，完成

方法二：

重新安装cocoapods