build question

i tried to build it and i got fllowing error
go: github.com/coreos/etcd@v3.3.25+incompatible: Get https://goproxy.cn.direct/github.com/coreos/etcd/@v/v3.3.25+incompatible.mod: dial tcp: lookup goproxy.cn.direct on 127.0.0.53:53: no such host
how to fix it?

