项目用pod 更新 pod报错 Error installing

Installing YYKit (1.0.9)

[!] Error installing YYKit

[!] /usr/bin/git clone https://github.com/ibireme/YYKit.git /var/folders/cc/v51tg4nx06v6396hkwtw843c0000gn/T/d20190411-48704-1yh0g2m --template= --single-branch --depth 1 --branch 1.0.9

Cloning into '/var/folders/cc/v51tg4nx06v6396hkwtw843c0000gn/T/d20190411-48704-1yh0g2m'...

fatal: unable to access 'https://github.com/ibireme/YYKit.git/': LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to github.com:443 

解决：关闭Xcode在运行就行了