问题最近准备使用Etcd开发一些分布式的应用，结果第一步就翻车了。当信心满满的使用go mod开始go mod tidy时etcdv3有报错： 123456# github.com/coreos/etcd/clientv3/balancer/pickerundefined: balancer.PickOptionsundefined: balancer.PickOptions# github.com/coreos/etcd/clientv3/balancer/resolver/endpointundefined: resolver.BuildOptionundefined: resolv...