摘要：
今天用pod install时出现错误：The `master` repo requires CocoaPods 0.29.0但是，终端gem update CocoaPods 显示Updating installed gemsNothing to update原因是gem版本不支持升级至0.29.0具体见：http://stackoverflow.com/questions/16511705/the-master-repo-requires-cocoapods-0-18-1解决步骤如下：sudo gem updatesudo gem install CocoaPods 阅读全文