creatr-react-app changes port 3000 to 8080
without any change
uses the SwitchyOmega (chrome plug-in proxy domain name) after the xxx.xxx.xxx proxy to localhost:8080, the
page loads and launches nine more iframe pages that are still the same.
under the vue project is completely normal. React is no problem with other scaffolding.
it has not been clear where the reason is. No, no, no. Ask the Great God for advice