message: fix(theme): fix copyright legacy
diff: @@ -223,7 +223,7 @@ export const convertThemeOptions = (
  // handle copyright plugin
  if (
  isPlainObject(themeOptions["copyright"]) ||
  - typeof themeOptions["copyright"] === "boolean"
  + themeOptions["copyright"] === true
  )
  logger.warn(
  `${colors.magenta(
  