Domain deploy cause 522

So, I got this problem today, I create a worker to proxy my blog, and it works so good with worker url: Pentest (evalexp.workers.dev)
However, when I try to deploy this worker to my domain with subdomain blogw,URL is : Pentest (evalexp.ml), I got a big problem that much of the request was responsed with 522 code, but the worker url work good:

I don’t know why, and hope someone coud give me a solution, thank you so much.

I am so sorry that the URL was not showed,
mydomain URL is : https://blogw.evalexp.ml/
and the worker default URL is : https://blog-worker.evalexp.workers.dev/

By the way, it works good in dev tools:

Hi @1426652334 sorry to know that you’re having difficulties. Were you able to solve the issue since then? Let us know.
At this moment, it appears that the DNS record for blogw.evalexp.ml no longer resolveable.