请注意，托管angular-route的CDN中没有HTTPS-表示它未以安全协议提供.

Notice your CDN that's hosting angular-route does not have HTTPS in it - means it is not served in secure protocol.

要么在Heroku(自然是HTTPS)上托管它的副本，要么找到要使用的新CDN.

Either host a copy of it on Heroku (naturally - HTTPS) or find a new CDN to work with.

如上所述，您可以将http://替换为https://，因为Google的API可以通过https提供.

as mentioned you can just replace http:// with https:// since Google's APIs can be served through https.