请教个问题，我安装官方文档编译运行了lotus，一直提示下面这些错误
2020-09-17T07:14:23.552Z WARN peermgr peermgr/peermgr.go:154 failed to connect to bootstrap peer: dial backoff
2020-09-17T07:14:23.586Z INFO basichost basic/basic_host.go:535 error resolving /dns4/lotus-bootstrap-1.sin.fil-test.net/tcp/1347/ipfs/12D3KooWGvrgjWw4Yqo4AFWqYp4g37FpUvUCQBkNWudZVSwR9tY1: lookup lotus-bootstrap-1.sin.fil-test.net on 114.114.114.114:53: no such host
请教个问题，我安装官方文档编译运行了lotus，一直提示下面这些错误 2020-09-17T07:14:23.552Z WARN peermgr peermgr/peermgr.go:154 failed to connect to bootstrap peer: dial backoff 2020-09-17T07:14:23.586Z INFO basichost basic/basic_host.go:535 error resolving /dns4/lotus-bootstrap-1.sin.fil-test.net/tcp/1347/ipfs/12D3KooWGvrgjWw4Yqo4AFWqYp4g37FpUvUCQBkNWudZVSwR9tY1: lookup lotus-bootstrap-1.sin.fil-test.net on 114.114.114.114:53: no such host
查看链接数，一直也是0，请问这个是什么情况