Cloudflare Integration Restart Problem

Hello Everyone,

I have private domain. I created example.domain.com sub domain for homeasistant. I installed cloudflare addon. I autherizated link. When I went to example.domain.com. I am gettin 400 error. I am adding

http:
  use_x_forwarded_for: true
  trusted_proxies:
    - 172.30.33.0/24

to configuration.yaml. I am testing and no problem in configuration.yaml. Then I am trying example.domain.com everything is okey. Then when power off and on again or restart home asistant. Ha is not opening. I am editing sd card with linux distrubition and delete my added code. Then starting again. After added code everything okay but after restart no startup