message: fix a bug with lanuage selector
diff: @@ -279,7 +279,22 @@ export default function Nav({ defaultLang }: { defaultLang: string }) {
  onChange={e => {
  const selectedLanguage = e.target.value
  action(selectedLanguage)
  - navigate(getNavLink(location.pathname.substr(1), selectedLanguage))
  +
  + let url = location.pathname.substr(1)
  +
  + switch (url) {
  + case "jp/":
  + url = "jp"
  + break
  + case "zh/":
  + url = "zh"
  + break
  + case "kr/":
  + url = "kr"
  + break
  + }
  +
  + navigate(getNavLink(url, selectedLanguage))
  }}
  defaultValue={currentLanguage}
  >
  