message: fix(theme): fix sidebar group link
diff: import { usePageData, usePageFrontmatter } from "@vuepress/client";
  -import { isArray, isPlainObject, isString } from "@vuepress/shared";
  +import {
  + isArray,
  + isLinkExternal,
  + isPlainObject,
  + isString,
  +} from "@vuepress/shared";
  import { useRoute } from "vue-router";
  import { useAutoLink, useThemeLocaleData } from "@theme-hope/composables";
  @@ -80,7 +85,12 @@ export const resolveArraySidebarItems = (
  const childItem = isString(item)
  ? useAutoLink(resolvePrefix(pathPrefix, item))
  : item.link
  - ? { ...item, link: resolvePrefix(pathPrefix, item.link) }
  + ? {
  + ...item,
  + ...(item.link && !isLinkExternal(item.link)
  + ? { link: useAutoLink(resolvePrefix(pathPrefix, item.link)).link }
  + : {}),
  + }
  : item;
  // resolved group item
  