diff --git a/src/renderer/src/components/app/Sidebar.tsx b/src/renderer/src/components/app/Sidebar.tsx
index d332a4a78f..f187e62ee8 100644
--- a/src/renderer/src/components/app/Sidebar.tsx
+++ b/src/renderer/src/components/app/Sidebar.tsx
@@ -12,6 +12,7 @@ import useNavBackgroundColor from '@renderer/hooks/useNavBackgroundColor'
 import { useSettings } from '@renderer/hooks/useSettings'
 import { getSidebarIconLabel, getThemeModeLabel } from '@renderer/i18n/label'
 import { isEmoji } from '@renderer/utils'
+import { getDefaultRouteTitle } from '@renderer/utils/routeTitle'
 import { ThemeMode } from '@shared/data/preference/preferenceTypes'
 import {
   Code,
@@ -60,7 +61,7 @@ const Sidebar: FC = () => {
   const to = async (path: string) => {
     await modelGenerating()
     if (activeTabId) {
-      updateTab(activeTabId, { url: path })
+      updateTab(activeTabId, { url: path, title: getDefaultRouteTitle(path) })
     }
   }
 
@@ -166,7 +167,7 @@ const MainMenus: FC = () => {
   const to = async (path: string) => {
     await modelGenerating()
     if (activeTabId) {
-      updateTab(activeTabId, { url: path })
+      updateTab(activeTabId, { url: path, title: getDefaultRouteTitle(path) })
     }
   }
 
diff --git a/src/renderer/src/components/layout/AppShell.tsx b/src/renderer/src/components/layout/AppShell.tsx
index 75e9e5a824..1b2e38dc0a 100644
--- a/src/renderer/src/components/layout/AppShell.tsx
+++ b/src/renderer/src/components/layout/AppShell.tsx
@@ -1,6 +1,7 @@
 import '@renderer/databases'
 
 import { cn, Tabs, TabsList, TabsTrigger } from '@cherrystudio/ui'
+import { getDefaultRouteTitle } from '@renderer/utils/routeTitle'
 import { Plus, X } from 'lucide-react'
 import { Activity } from 'react'
 import { v4 as uuid } from 'uuid'
@@ -22,9 +23,9 @@ const WebviewContainer = ({ url, isActive }: { url: string; isActive: boolean })
 export const AppShell = () => {
   const { tabs, activeTabId, setActiveTab, closeTab, updateTab, addTab } = useTabs()
 
-  // Sync internal navigation back to tab state
+  // Sync internal navigation back to tab state with default title
   const handleUrlChange = (tabId: string, url: string) => {
-    updateTab(tabId, { url })
+    updateTab(tabId, { url, title: getDefaultRouteTitle(url) })
   }
 
   // 新增 Tab（默认打开首页）
@@ -33,7 +34,7 @@ export const AppShell = () => {
       id: uuid(),
       type: 'route',
       url: '/',
-      title: 'New Tab'
+      title: getDefaultRouteTitle('/')
     })
   }
 
diff --git a/src/renderer/src/hooks/useTabs.ts b/src/renderer/src/hooks/useTabs.ts
index a1ca00308c..0bf2b9dc10 100644
--- a/src/renderer/src/hooks/useTabs.ts
+++ b/src/renderer/src/hooks/useTabs.ts
@@ -2,6 +2,7 @@ import { useCallback, useEffect, useMemo } from 'react'
 
 import { usePersistCache } from '../data/hooks/useCache'
 import { uuid } from '../utils'
+import { getDefaultRouteTitle } from '../utils/routeTitle'
 
 // Re-export types from shared schema
 export type { Tab, TabsState, TabType } from '@shared/data/cache/cacheSchemas'
@@ -11,7 +12,7 @@ const DEFAULT_TAB: Tab = {
   id: 'home',
   type: 'route',
   url: '/',
-  title: 'Home'
+  title: getDefaultRouteTitle('/')
 }
 
 /**
@@ -127,12 +128,12 @@ export function useTabs() {
         }
       }
 
-      // Create new tab
+      // Create new tab with default route title
       const newTab: Tab = {
         id: id || uuid(),
         type,
         url,
-        title: title || url.split('/').pop() || url
+        title: title || getDefaultRouteTitle(url)
       }
 
       addTab(newTab)
diff --git a/src/renderer/src/i18n/locales/en-us.json b/src/renderer/src/i18n/locales/en-us.json
index 4ebc57cb9b..51ee786108 100644
--- a/src/renderer/src/i18n/locales/en-us.json
+++ b/src/renderer/src/i18n/locales/en-us.json
@@ -4803,6 +4803,9 @@
       "title": "Page Zoom"
     }
   },
+  "tab": {
+    "new": "New Tab"
+  },
   "title": {
     "apps": "Apps",
     "code": "Code",
diff --git a/src/renderer/src/i18n/locales/zh-cn.json b/src/renderer/src/i18n/locales/zh-cn.json
index 8829bfe08e..62a5868616 100644
--- a/src/renderer/src/i18n/locales/zh-cn.json
+++ b/src/renderer/src/i18n/locales/zh-cn.json
@@ -4803,6 +4803,9 @@
       "title": "缩放"
     }
   },
+  "tab": {
+    "new": "新标签页"
+  },
   "title": {
     "apps": "小程序",
     "code": "Code",
diff --git a/src/renderer/src/i18n/locales/zh-tw.json b/src/renderer/src/i18n/locales/zh-tw.json
index 1a036a29e1..340a420386 100644
--- a/src/renderer/src/i18n/locales/zh-tw.json
+++ b/src/renderer/src/i18n/locales/zh-tw.json
@@ -4803,6 +4803,9 @@
       "title": "縮放"
     }
   },
+  "tab": {
+    "new": "新標籤頁"
+  },
   "title": {
     "apps": "小程序",
     "code": "Code",
diff --git a/src/renderer/src/i18n/translate/de-de.json b/src/renderer/src/i18n/translate/de-de.json
index 1300fbf6c7..ba79d67270 100644
--- a/src/renderer/src/i18n/translate/de-de.json
+++ b/src/renderer/src/i18n/translate/de-de.json
@@ -4803,6 +4803,9 @@
       "title": "Zoom"
     }
   },
+  "tab": {
+    "new": "[to be translated]:New Tab"
+  },
   "title": {
     "apps": "Mini-Apps",
     "code": "Code",
diff --git a/src/renderer/src/i18n/translate/el-gr.json b/src/renderer/src/i18n/translate/el-gr.json
index 535a36489e..274977a5b8 100644
--- a/src/renderer/src/i18n/translate/el-gr.json
+++ b/src/renderer/src/i18n/translate/el-gr.json
@@ -4803,6 +4803,9 @@
       "title": "Κλίμακα"
     }
   },
+  "tab": {
+    "new": "[to be translated]:New Tab"
+  },
   "title": {
     "apps": "Εφαρμογές",
     "code": "Κώδικας",
diff --git a/src/renderer/src/i18n/translate/es-es.json b/src/renderer/src/i18n/translate/es-es.json
index 43d5919f00..82cec64467 100644
--- a/src/renderer/src/i18n/translate/es-es.json
+++ b/src/renderer/src/i18n/translate/es-es.json
@@ -4803,6 +4803,9 @@
       "title": "Escala"
     }
   },
+  "tab": {
+    "new": "[to be translated]:New Tab"
+  },
   "title": {
     "apps": "Aplicaciones",
     "code": "Código",
diff --git a/src/renderer/src/i18n/translate/fr-fr.json b/src/renderer/src/i18n/translate/fr-fr.json
index ef7db8b3b3..93309fbd82 100644
--- a/src/renderer/src/i18n/translate/fr-fr.json
+++ b/src/renderer/src/i18n/translate/fr-fr.json
@@ -4803,6 +4803,9 @@
       "title": "Zoom"
     }
   },
+  "tab": {
+    "new": "[to be translated]:New Tab"
+  },
   "title": {
     "apps": "Mini-programmes",
     "code": "Code",
diff --git a/src/renderer/src/i18n/translate/ja-jp.json b/src/renderer/src/i18n/translate/ja-jp.json
index 42c50c8827..275044e5ee 100644
--- a/src/renderer/src/i18n/translate/ja-jp.json
+++ b/src/renderer/src/i18n/translate/ja-jp.json
@@ -4803,6 +4803,9 @@
       "title": "ページズーム"
     }
   },
+  "tab": {
+    "new": "[to be translated]:New Tab"
+  },
   "title": {
     "apps": "アプリ",
     "code": "Code",
diff --git a/src/renderer/src/i18n/translate/pt-pt.json b/src/renderer/src/i18n/translate/pt-pt.json
index bc84fc99b1..7a443ab4c9 100644
--- a/src/renderer/src/i18n/translate/pt-pt.json
+++ b/src/renderer/src/i18n/translate/pt-pt.json
@@ -4803,6 +4803,9 @@
       "title": "Escala"
     }
   },
+  "tab": {
+    "new": "[to be translated]:New Tab"
+  },
   "title": {
     "apps": "Miniaplicativos",
     "code": "Código",
diff --git a/src/renderer/src/i18n/translate/ru-ru.json b/src/renderer/src/i18n/translate/ru-ru.json
index 109bffb9b2..899aa778c7 100644
--- a/src/renderer/src/i18n/translate/ru-ru.json
+++ b/src/renderer/src/i18n/translate/ru-ru.json
@@ -4803,6 +4803,9 @@
       "title": "Масштаб страницы"
     }
   },
+  "tab": {
+    "new": "[to be translated]:New Tab"
+  },
   "title": {
     "apps": "Приложения",
     "code": "Code",
diff --git a/src/renderer/src/utils/routeTitle.ts b/src/renderer/src/utils/routeTitle.ts
new file mode 100644
index 0000000000..b880683c01
--- /dev/null
+++ b/src/renderer/src/utils/routeTitle.ts
@@ -0,0 +1,58 @@
+import i18n from '@renderer/i18n'
+
+/**
+ * Route to i18n key mapping for default tab titles
+ */
+const routeTitleKeys: Record<string, string> = {
+  '/': 'tab.new',
+  '/chat': 'assistants.title',
+  '/store': 'assistants.presets.title',
+  '/paintings': 'paintings.title',
+  '/translate': 'translate.title',
+  '/apps': 'minapp.title',
+  '/knowledge': 'knowledge.title',
+  '/files': 'files.title',
+  '/code': 'code.title',
+  '/notes': 'notes.title',
+  '/settings': 'settings.title'
+}
+
+/**
+ * Get the default title for a route URL
+ *
+ * @param url - Route URL (e.g., '/settings', '/chat/123')
+ * @returns Translated title or URL path fallback
+ *
+ * @example
+ * getDefaultRouteTitle('/settings') // '设置'
+ * getDefaultRouteTitle('/chat/abc123') // '助手'
+ * getDefaultRouteTitle('/unknown') // 'unknown'
+ */
+export function getDefaultRouteTitle(url: string): string {
+  // Try exact match first
+  const exactKey = routeTitleKeys[url]
+  if (exactKey) {
+    return i18n.t(exactKey)
+  }
+
+  // Try matching base path (e.g., '/chat/123' -> '/chat')
+  const basePath = '/' + url.split('/').filter(Boolean)[0]
+  const baseKey = routeTitleKeys[basePath]
+  if (baseKey) {
+    return i18n.t(baseKey)
+  }
+
+  // Fallback to URL path
+  return url.split('/').pop() || url
+}
+
+/**
+ * Get the i18n key for a route (without translating)
+ */
+export function getRouteTitleKey(url: string): string | undefined {
+  const exactKey = routeTitleKeys[url]
+  if (exactKey) return exactKey
+
+  const basePath = '/' + url.split('/').filter(Boolean)[0]
+  return routeTitleKeys[basePath]
+}