解决-bash: /usr/local/bin/pod: /Sy

今天在更新Mac系统之后，在终端上输入pod search之后，终端上输出：

-bash: /usr/local/bin/pod: /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby: bad interpreter: No such file or directory

解决方法：

终端输入：sudo gem install -n /usr/local/bin cocoapods