Thanks for your solution.
I poking around your code to make a push to github pages option. It works for now but everything is hardcoded. And there aren’t a good git wrapper for PHP.
I’ll try your solution then.
There is a Markdown support avaiable in Jetpack.
My site is http://tienganhratde.com (i don’t know if this error still happen, I removed constant checked for NRELATE_API_ONLINE