Webhook Status Error in Docker Hub

My webhook is
https://129.157.176.46/api/v2/deployments/helloworld-demo-20170220-113050/webhook/restart?token=hkcvxrtp
This url, is can pass by restful tools, but in Docker hub, web hook history, the status always !error and there have no log, so who can tell me how should I do? Thank you very much.

May be Docker hub webhooks can not support IP or https?

Did you end up finding a solution to your problem?