It seems your ruby installation is missing psych (for YAML output).的问题
最近配置了一下rtmp环境,发现Cocoapods出了问题,一直提示Itseemsyourrubyinstallationismissingpsych(forYAMLoutput).Toeliminatethiswarning,pleaseinstalllibyamlandreinstallyourruby.执行如下代码即可brewinstalllibyaml请勿从新卸载Cocoapods,否则又