vim /etc/sysctl.conf

Increase the value of fs.inotify.max_user_watches inside (or add the following line if you don't have this value).
fs.inotify.max_user_watches=524288

After saving, execute.
sysctl -p

Restart Goland it's OK

Link: https://stackoverflow.com/questions/65064450/how-to-fix-external-file-changes-sync-may-be-slow-the-current-inotify7-watch