加锁后效果如下：

如图docs/页面打开默认是茶壶，需加上定制参数才能正常访问 ：

具体实现如下： 

1. 安装依赖包：

pip install 'fastapi-cdn-host>=0.5.2' || pip install --upgrade git+ssh://git@github.com/waketzheng/fastapi-cdn-host

2. 启用文档锁：

import fastapi_cdn_host
from fastapi import FastAPI


app = FastAPI(openapi_url="/api/v1/openapi.json")
fastapi_cdn_host.patch_docs(app, lock=fastapi_cdn_host.weekday_lock)

更多示例见：fastapi-cdn-host/tests/lock_docs/main.py at main · waketzheng/fastapi-cdn-host · GitHub