hello! I am a noob.Now I have some questions. When I run watch ,and I did some changes in the code,I need refresh the page to see changes.How it can auto refresh?

you need to set :after-load some.ns/reload

https://github.com/shadow-cljs/quickstart-browser/blob/master/shadow-cljs.edn#L18-L21

or if you don’t want a callback you can just set :autoload true

thanks a lot!