My site often lost

My site often happened status such as image shows

That has to do with Wordpress n hosting config. If you think CF obstructs the functions, make sure to Pause Cloudflare. Ascertain that the site works properly without CF and then enable CF.

yes,I changed DNS to hosting,it was normally to work.And i turned to CF, my site currently shows this kind of errors frequently.Could you help me to check?

If that’s frequently, kindly contact your host provider to resolve the typical issues. There could be compatibility issues or other related. Best suggested to Pause CF and enable only when things perfect from your hosting side.

Do you have other solution,I like use your service, hosting side told me contact us,because A record point CF

There’s no other solution. In order to troubleshoot errors, Pause CF. See the doc: