diff --git a/theme/src/client/composables/sidebar.ts b/theme/src/client/composables/sidebar.ts
index fe2fcaa6..d174df76 100644
--- a/theme/src/client/composables/sidebar.ts
+++ b/theme/src/client/composables/sidebar.ts
@@ -27,18 +27,24 @@ import { useEncrypt } from './encrypt.js'
 export type SidebarData = Record<string, Sidebar>
 
 export type SidebarDataRef = Ref<SidebarData>
-export type AutoDirSidebarRef = Ref<SidebarItem[]>
+export type AutoDirSidebarRef = Ref<SidebarItem[] | {
+  link: string
+  items: SidebarItem[]
+}>
+export type AutoHomeDataRef = Ref<Record<string, string>>
 
-const { __auto__, ...items } = sidebarRaw
+const { __auto__, __home__, ...items } = sidebarRaw
 
 const sidebarData: SidebarDataRef = ref(items)
 const autoDirSidebar: AutoDirSidebarRef = ref(__auto__)
+const autoHomeData: AutoHomeDataRef = ref(__home__)
 
 if (__VUEPRESS_DEV__ && (import.meta.webpackHot || import.meta.hot)) {
   __VUE_HMR_RUNTIME__.updateSidebar = (data: SidebarData) => {
-    const { __auto__, ...items } = data
+    const { __auto__, __home__, ...items } = data
     sidebarData.value = items
     autoDirSidebar.value = __auto__ as SidebarItem[]
+    autoHomeData.value = __home__ as Record<string, string>
   }
 }
 
@@ -127,7 +133,10 @@ export function getSidebar(routePath: string, routeLocal: string): ResolvedSideb
   return []
 }
 
-function resolveSidebarItems(sidebarItems: (string | SidebarItem)[], _prefix = ''): ResolvedSidebarItem[] {
+function resolveSidebarItems(
+  sidebarItems: (string | SidebarItem)[],
+  _prefix = '',
+): ResolvedSidebarItem[] {
   const resolved: ResolvedSidebarItem[] = []
   sidebarItems.forEach((item) => {
     if (isString(item)) {
@@ -144,6 +153,11 @@ function resolveSidebarItems(sidebarItems: (string | SidebarItem)[], _prefix = '
       const nextPrefix = normalizePrefix(_prefix, prefix || dir)
       if (items === 'auto') {
         navLink.items = autoDirSidebar.value[nextPrefix]
+        if (!navLink.link && autoHomeData.value[nextPrefix]) {
+          navLink.link = normalizeLink(autoHomeData.value[nextPrefix])
+          const nav = resolveNavLink(navLink.link)
+          navLink.icon = nav.icon
+        }
       }
       else {
         navLink.items = items?.length
diff --git a/theme/src/client/shim.d.ts b/theme/src/client/shim.d.ts
index 0d984747..14ed9404 100644
--- a/theme/src/client/shim.d.ts
+++ b/theme/src/client/shim.d.ts
@@ -36,7 +36,8 @@ declare module '@internal/sidebar' {
   import type { Sidebar, SidebarItem } from '../shared/index.js'
 
   const sidebar: {
-    __auto__: SidebarItem[]
+    __auto__: SidebarItem[] | { link: string, items: SidebarItem[] }
+    __home__: Record<string, string>
     [key: string]: Sidebar
   }
   export {
diff --git a/theme/src/node/prepare/prepareSidebar.ts b/theme/src/node/prepare/prepareSidebar.ts
index d94d07aa..19621e68 100644
--- a/theme/src/node/prepare/prepareSidebar.ts
+++ b/theme/src/node/prepare/prepareSidebar.ts
@@ -18,7 +18,10 @@ import { logger, normalizeLink, resolveContent, writeTemp } from '../utils/index
 export async function prepareSidebar(app: App, localeOptions: PlumeThemeLocaleOptions) {
   const start = performance.now()
   const sidebar = getAllSidebar(localeOptions)
-  sidebar.__auto__ = getSidebarData(app, sidebar)
+
+  const { resolved, autoHome } = getSidebarData(app, sidebar)
+  sidebar.__auto__ = resolved
+  sidebar.__home__ = autoHome as any
   await writeTemp(app, 'internal/sidebar.js', resolveContent(app, { name: 'sidebar', content: sidebar }))
 
   if (app.env.isDebug) {
@@ -29,7 +32,7 @@ export async function prepareSidebar(app: App, localeOptions: PlumeThemeLocaleOp
 function getSidebarData(
   app: App,
   locales: Record<string, Sidebar>,
-): Sidebar {
+): { resolved: Sidebar, autoHome: Record<string, string> } {
   const autoDirList: string[] = []
   const resolved: Sidebar = {}
 
@@ -67,11 +70,16 @@ function getSidebarData(
     }
   })
 
+  const autoHome: Record<string, string> = {}
   autoDirList.forEach((localePath) => {
-    resolved[localePath] = getAutoDirSidebar(app, localePath)
+    const { link, sidebar } = getAutoDirSidebar(app, localePath)
+    resolved[localePath] = sidebar
+    if (link) {
+      autoHome[localePath] = link
+    }
   })
 
-  return resolved
+  return { resolved, autoHome }
 }
 
 const MD_RE = /\.md$/
@@ -85,7 +93,7 @@ function resolveTitle(dirname: string) {
 function getAutoDirSidebar(
   app: App,
   localePath: string,
-): SidebarItem[] {
+): { link: string, sidebar: SidebarItem[] } {
   const locale = removeLeadingSlash(localePath)
   let pages = (app.pages as Page<PlumeThemePageData>[])
     .filter(page => page.data.filePathRelative?.startsWith(locale))
@@ -110,7 +118,8 @@ function getAutoDirSidebar(
 
   const RE_INDEX = ['index.md', 'README.md', 'readme.md']
 
-  const result: ResolvedSidebarItem[] = []
+  const sidebar: ResolvedSidebarItem[] = []
+  let rootLink = ''
   for (const page of pages) {
     const { data, title, path, frontmatter } = page
     const paths = (data.filePathRelative || '')
@@ -119,7 +128,7 @@ function getAutoDirSidebar(
 
     let index = 0
     let dir: string
-    let items = result
+    let items = sidebar
     let parent: ResolvedSidebarItem | undefined
     // eslint-disable-next-line no-cond-assign
     while ((dir = paths[index])) {
@@ -131,13 +140,15 @@ function getAutoDirSidebar(
         if (!isHome) {
           items.push(current)
         }
-        else if (!parent) {
-          items.unshift(current)
-        }
       }
       if (dir.endsWith('.md')) {
-        if (isHome && parent) {
-          parent.link = path
+        if (isHome) {
+          if (parent) {
+            parent.link = path
+          }
+          else {
+            rootLink = path
+          }
         }
         else {
           current.link = path
@@ -155,7 +166,7 @@ function getAutoDirSidebar(
       index++
     }
   }
-  return result
+  return { link: rootLink, sidebar }
 }
 
 function findAutoDirList(sidebar: (string | SidebarItem)[], prefix = ''): string[] {
diff --git a/theme/src/shared/options/bulletin.ts b/theme/src/shared/options/bulletin.ts
index fac4160d..cc2791e5 100644
--- a/theme/src/shared/options/bulletin.ts
+++ b/theme/src/shared/options/bulletin.ts
@@ -26,7 +26,7 @@ export interface BulletinOptions {
   /**
    * 公告持续时间
    *
-   * @default 'session'
+   * @default 'always'
    *
    * - `'session'` 表示在会话周期内关闭公告后不再显示，在新的会话周期重新显示，刷新页面不会重新显示
    * - `'always'` 表示总是显示，关闭公告后刷新页面会重新显示