I am developing a static site using JSON data. I replaced the post data in the react-static default sample, and it works fine.
Problem: When I add another route /news with a bunch of messages in another JSON, the parent route /news works fine, but the child routes, such as /news/1/ or /news/2/ all go to 404 pages.  
In the browser console, I got the error
GET http://localhost:3000/__react-static__/routeInfo/news/1 404 (Not Found)
I do not think these are dynamic routes, as I can get the data before the react app mounted. What should I do to fix that?
In my static.config.js
{
  path: '/news',
  getData: async () =>  ({
    messages,
  }),
  children: messages.map(message => ({
    path: `/news/${message.ID}`,
    template: 'src/containers/Message',
    getData: () => ({
      message,
    }),
  })),
}
and I have a Message.js in /src/containers as
import React from "react";
import { useRouteData } from "react-static";
export default () => {
  const { message } = useRouteData()
  return (
       <div>
          This is a {message.Title} page!
        </div>
    )
};
The worked news.js is as
import React from 'react'
import { useRouteData } from 'react-static'
import { Link } from 'components/Router'
export default function Blog() {
  const { messages } = useRouteData()
  return (
    <div>
      <h1>It's news.</h1>
      <div>
        <a href="#bottom" id="top">
          Scroll to bottom!
        </a>
      </div>
      <br />
      All Posts:
      <ul>
        {messages.map(message => (
          <li key={message.ID}>
            <Link to={`/news/{message.ID}/`}>{message.Title}</Link>
          </li>
        ))}
      </ul>
      <a href="#top" id="bottom">
        Scroll to top!
      </a>
    </div>
  )
}