绑定了自己的域名，如果使用 Google 的域名可以使用 https 访问，但是如果使用自己的域名需要进行配置，找了一下文档。 when hosting a static website using a CNAME redirect, Cloud Storage only supports HTTP. To serve your content through a custom domain over SSL, set up a load balancer, use a third-party Content Delivery Network with Cloud Storage, or serve your static website content from Firebase Hosting instead of Google Cloud Storage.