npm 服务器的证书好像出问题了

我 npm install 的时候，一直报：

Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning ERR_TLS_CERT_ALTNAME_INVALID: request to https://registry.npmjs.org/react-scripts failed, reason: Hostname/IP does not match certificate's altnames: Host: registry.npmjs.org. is not in the cert's altnames: DNS:a.sni.fastly.net, DNS:a.sni.global-ssl.fastly.net

搜了下 SO，发现不少人都在问，比如这贴：NPM not installing package. Hostname/IP doesn't match certificate's altnames:

底下有人回复说，浏览器访问 https://registry.npmjs.org/http-server 也会报证书问题。我试了下，真的是……