yarn切换淘宝源之后，一直报验证不通过

报错信息：
error An unexpected error occurred: "https://registry.npm.taobao.org/@graphql-codegen%2fcli: tunneling socket could not be established, cause=self signed certificate in certificate chain".

npm版本

node version

npm config delete proxy
npm config set https-proxy
运行这个试试

应该是node版本的问题，你把node换成v12.3.1版本试试