Dva build is not supported after ie is packaged, but before it is packaged.

according to the addition on the Internet:
import "react-dom";
import "babel-polyfill";

clipboard.png

http://localhost:9002/-sharp/ie
clipboard.png
npm run-script build ie
clipboard.png
:
clipboard.png
there is a master who knows to help take a look, thank you very much!

Mar.10,2021
Menu