diff --git a/astro.config.ts b/astro.config.ts
index 571dddc..84547f1 100644
--- a/astro.config.ts
+++ b/astro.config.ts
@@ -24,7 +24,7 @@ import remarkSectionize from 'remark-sectionize'
 // Project configuration and utilities
 import UnoCSS from 'unocss/astro'
 import { themeConfig } from './src/config'
-import { langMap } from './src/i18n/ui'
+import { langMap } from './src/i18n/config'
 import { AdmonitionComponent } from './src/plugins/rehype-component-admonition'
 import { GithubCardComponent } from './src/plugins/rehype-component-github-card'
 import { parseDirectiveNode } from './src/plugins/remark-directive-rehype'
diff --git a/src/components/Comments/Waline.astro b/src/components/Comments/Waline.astro
index 8314bd7..936eb98 100644
--- a/src/components/Comments/Waline.astro
+++ b/src/components/Comments/Waline.astro
@@ -1,7 +1,6 @@
 ---
-import { themeConfig } from '@/config'
-import { defaultLocale } from '@/i18n/config'
-import { walineLocaleMap } from '@/i18n/ui'
+import { defaultLocale, themeConfig } from '@/config'
+import { walineLocaleMap } from '@/i18n/config'
 
 // Theme color configuration
 const {
diff --git a/src/components/Footer.astro b/src/components/Footer.astro
index 0be0d1a..89abdf1 100644
--- a/src/components/Footer.astro
+++ b/src/components/Footer.astro
@@ -24,7 +24,7 @@ const year = Number(startYear) === currentYear
     className,
   ]}
 >
-  <!-- only show on desktop -->
+  <!-- Only show on desktop -->
   <div class="mb-11.5 ml-1.5 hidden gap-7 lg:flex">
     <ThemeToggle />
     <LanguageSwitcher supportedLangs={supportedLangs} />
diff --git a/src/components/PostList.astro b/src/components/PostList.astro
index b6c62c5..6996367 100644
--- a/src/components/PostList.astro
+++ b/src/components/PostList.astro
@@ -1,6 +1,6 @@
 ---
 import PostTime from '@/components/PostTime.astro'
-import { defaultLocale } from '@/i18n/config'
+import { defaultLocale } from '@/config'
 
 interface Post {
   data: {
@@ -16,7 +16,6 @@ interface Post {
   }
 }
 
-// Get post list and page language parameter from props
 const { posts, lang } = Astro.props
 
 export interface Props {
@@ -24,9 +23,8 @@ export interface Props {
   lang?: string
 }
 
-// Get multilingual post URL path
 function getPostPath(post: Post) {
-  // If abbrlink is set, it will be used instead of slug
+  // Prioritize abbrlink over slug
   const postPath = post.data.abbrlink || post.slug
   // Add language prefix to URL if current page is in a language subdirectory and not the default language
   return lang && lang !== defaultLocale ? `/${lang}/posts/${postPath}/` : `/posts/${postPath}/`
diff --git a/src/components/Widgets/ThemeToggle.astro b/src/components/Widgets/ThemeToggle.astro
index 13b183b..676e70e 100644
--- a/src/components/Widgets/ThemeToggle.astro
+++ b/src/components/Widgets/ThemeToggle.astro
@@ -1,5 +1,4 @@
 <button
-  id="theme-toggle"
   aria-label="Switch light/dark theme"
   class="button-theme-toggle w-4.2 uno-button"
 >
diff --git a/src/config.ts b/src/config.ts
index 713b9ca..b46659f 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -171,3 +171,7 @@ export const themeConfig: ThemeConfig = {
 }
 
 export default themeConfig
+
+export const defaultLocale = themeConfig.global.locale
+export const moreLocales = themeConfig.global.moreLocales
+export const allLocales = [defaultLocale, ...moreLocales]
diff --git a/src/i18n/config.ts b/src/i18n/config.ts
index 86e836b..7983766 100644
--- a/src/i18n/config.ts
+++ b/src/i18n/config.ts
@@ -1,5 +1,23 @@
-import { themeConfig } from '@/config'
+// Global Language Map
+export const langMap: Record<string, string[]> = {
+  'zh': ['zh-CN'],
+  'zh-tw': ['zh-TW'],
+  'ja': ['ja-JP'],
+  'en': ['en-US'],
+  'es': ['es-ES'],
+  'ru': ['ru-RU'],
+}
 
-export const defaultLocale = themeConfig.global.locale
-export const moreLocales = themeConfig.global.moreLocales
-export const allLocales = [defaultLocale, ...moreLocales]
+// Waline Language Map
+// docs: https://waline.js.org/guide/i18n.html
+export const walineLocaleMap: Record<string, string> = {
+  'zh': 'zh-CN',
+  'zh-tw': 'zh-TW',
+  'ja': 'jp-JP', // Waline uses jp-JP not ja-JP
+  'en': 'en-US',
+  'es': 'es-ES',
+  'ru': 'ru-RU',
+}
+
+// Supported Languages
+export const supportedLangs = Object.keys(langMap).flat()
diff --git a/src/i18n/lang.ts b/src/i18n/lang.ts
index 1d82609..ee9c22f 100644
--- a/src/i18n/lang.ts
+++ b/src/i18n/lang.ts
@@ -1,4 +1,4 @@
-import { allLocales, defaultLocale, moreLocales } from '@/i18n/config'
+import { allLocales, defaultLocale, moreLocales } from '@/config'
 
 // Gets the language code from the current path
 export function getLangFromPath(path: string) {
diff --git a/src/i18n/path.ts b/src/i18n/path.ts
index ee63eb9..ddfa435 100644
--- a/src/i18n/path.ts
+++ b/src/i18n/path.ts
@@ -1,4 +1,4 @@
-import { defaultLocale } from '@/i18n/config'
+import { defaultLocale } from '@/config'
 import { getLangFromPath, getNextLang } from '@/i18n/lang'
 import { cleanPath } from '@/utils/page'
 
diff --git a/src/i18n/route.ts b/src/i18n/route.ts
deleted file mode 100644
index 300b6be..0000000
--- a/src/i18n/route.ts
+++ /dev/null
@@ -1,125 +0,0 @@
-import type { CollectionEntry } from 'astro:content'
-import { allLocales, defaultLocale, moreLocales } from '@/i18n/config'
-
-// 生成默认语言标签页面的路由配置
-export function getTagRoutes(tags: string[]) {
-  return tags.map(tag => ({
-    params: { tag },
-    props: { tag },
-  }))
-}
-
-// 生成默认语言文章页面的路由配置
-export function getPostRoutes(posts: CollectionEntry<'posts'>[]) {
-  // 创建slug到语言的映射
-  const slugToLangs: Record<string, string[]> = {}
-
-  // 填充映射
-  posts.forEach((post) => {
-    const slug = post.data.abbrlink || post.slug
-    const lang = post.data.lang || defaultLocale
-
-    // 如果文章没有指定语言，初始化为所有支持的语言
-    if (!slugToLangs[slug]) {
-      if (!post.data.lang) {
-        slugToLangs[slug] = [...allLocales] // 文章支持所有语言
-      }
-      else {
-        slugToLangs[slug] = [defaultLocale] // 仅默认语言和指定语言
-      }
-    }
-
-    if (!slugToLangs[slug].includes(lang)) {
-      slugToLangs[slug].push(lang)
-    }
-  })
-
-  return posts.map(post => ({
-    params: {
-      slug: post.data.abbrlink || post.slug,
-    },
-    props: {
-      post,
-      supportedLangs: slugToLangs[post.data.abbrlink || post.slug] || [],
-    },
-  }))
-}
-
-// 生成更多语言静态路由
-export function getMultiLangRoutes() {
-  return moreLocales.map(lang => ({
-    params: { lang },
-  }))
-}
-
-// 生成更多语言标签页面的路由配置
-export function getMultiLangTagRoutes(tags: string[]) {
-  return moreLocales.flatMap(lang => (
-    tags.map(tag => ({
-      params: { lang, tag },
-      props: { tag },
-    }))
-  ))
-}
-
-// 生成更多语言文章页面的路由配置
-export function getMultiLangPostRoutes(posts: CollectionEntry<'posts'>[]) {
-  // 创建slug到语言的映射
-  const slugToLangs: Record<string, string[]> = {}
-
-  // 填充映射
-  posts.forEach((post) => {
-    const slug = post.data.abbrlink || post.slug
-    const lang = post.data.lang || defaultLocale
-
-    // 如果文章没有指定语言，初始化为所有支持的语言
-    if (!slugToLangs[slug]) {
-      if (!post.data.lang) {
-        slugToLangs[slug] = [...allLocales] // 文章支持所有语言
-      }
-      else {
-        slugToLangs[slug] = [defaultLocale] // 仅默认语言和指定语言
-      }
-    }
-
-    if (!slugToLangs[slug].includes(lang)) {
-      slugToLangs[slug].push(lang)
-    }
-  })
-
-  interface PathResult {
-    params: {
-      lang: string
-      slug: string
-    }
-    props: {
-      post: CollectionEntry<'posts'>
-      supportedLangs: string[]
-    }
-  }
-
-  return posts.flatMap((post) => {
-    const result: PathResult[] = []
-    const slug = post.data.abbrlink || post.slug
-
-    // 确定文章的语言支持
-    const postLang = post.data.lang && typeof post.data.lang === 'string' && post.data.lang.trim() !== ''
-      ? [post.data.lang]
-      : moreLocales
-
-    // 获取这篇文章支持的所有语言
-    const supportedLangs = slugToLangs[slug] || []
-
-    // 添加非默认语言路径
-    postLang.forEach((lang) => {
-      if (lang !== defaultLocale) {
-        result.push({
-          params: { lang, slug },
-          props: { post, supportedLangs },
-        })
-      }
-    })
-
-    return result
-  })
-}
diff --git a/src/i18n/ui.ts b/src/i18n/ui.ts
index 8f93463..29f211c 100644
--- a/src/i18n/ui.ts
+++ b/src/i18n/ui.ts
@@ -1,27 +1,3 @@
-// Global Language Map
-export const langMap: Record<string, string[]> = {
-  'zh': ['zh-CN'],
-  'zh-tw': ['zh-TW'],
-  'ja': ['ja-JP'],
-  'en': ['en-US'],
-  'es': ['es-ES'],
-  'ru': ['ru-RU'],
-}
-
-// Waline Language Map
-// docs: https://waline.js.org/guide/i18n.html
-export const walineLocaleMap: Record<string, string> = {
-  'zh': 'zh-CN',
-  'zh-tw': 'zh-TW',
-  'ja': 'jp-JP', // Waline uses jp-JP not ja-JP
-  'en': 'en-US',
-  'es': 'es-ES',
-  'ru': 'ru-RU',
-}
-
-// Supported Languages
-export const supportedLangs = Object.keys(langMap).flat()
-
 export const ui = {
   'zh': {
     posts: '文章',
diff --git a/src/layouts/Head.astro b/src/layouts/Head.astro
index 519802d..df1d889 100644
--- a/src/layouts/Head.astro
+++ b/src/layouts/Head.astro
@@ -1,6 +1,5 @@
 ---
-import themeConfig from '@/config'
-import { allLocales, defaultLocale } from '@/i18n/config'
+import { allLocales, defaultLocale, themeConfig } from '@/config'
 import { ClientRouter } from 'astro:transitions'
 
 interface Props {
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index c133881..c6a2952 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -80,7 +80,7 @@ const footerMarginClass = isPost && themeConfig.comment?.waline?.serverURL
       <ThemeToggle />
     </div>
 
-    <!--===============================================  Theme Toggle  ===============================================-->
+    <!-- Theme toggle >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -->
     <script define:vars={{ lightMode, darkMode }}>
     // Update theme
     function updateTheme() {
diff --git a/src/pages/[...about].astro b/src/pages/[...about].astro
index 6b7db7d..11b2686 100644
--- a/src/pages/[...about].astro
+++ b/src/pages/[...about].astro
@@ -1,9 +1,8 @@
 ---
-import { allLocales, defaultLocale } from '@/i18n/config'
+import { allLocales, defaultLocale } from '@/config'
 import Layout from '@/layouts/Layout.astro'
 
 export async function getStaticPaths() {
-  // 定义路径数组的类型
   type PathItem = {
     params: { about: string }
     props: { lang: string }
@@ -11,13 +10,13 @@ export async function getStaticPaths() {
 
   const paths: PathItem[] = []
 
-  // 默认语言的关于页面
+  // Default locale
   paths.push({
     params: { about: 'about' },
     props: { lang: defaultLocale },
   })
 
-  // 更多语言的关于页面
+  // More locales
   allLocales.forEach((lang: string) => {
     if (lang !== defaultLocale) {
       paths.push({
diff --git a/src/pages/[...index].astro b/src/pages/[...index].astro
index f4974fa..930b3ca 100644
--- a/src/pages/[...index].astro
+++ b/src/pages/[...index].astro
@@ -1,6 +1,6 @@
 ---
 import PostList from '@/components/PostList.astro'
-import { allLocales, defaultLocale } from '@/i18n/config'
+import { allLocales, defaultLocale } from '@/config'
 import Layout from '@/layouts/Layout.astro'
 import { getPinnedPosts, getPostsByYear } from '@/utils/content'
 
diff --git a/src/pages/[...posts_slug].astro b/src/pages/[...posts_slug].astro
index a209314..22d509e 100644
--- a/src/pages/[...posts_slug].astro
+++ b/src/pages/[...posts_slug].astro
@@ -1,7 +1,7 @@
 ---
 import Comments from '@/components/Comments/index.astro'
 import PostTime from '@/components/PostTime.astro'
-import { allLocales, defaultLocale } from '@/i18n/config'
+import { allLocales, defaultLocale } from '@/config'
 import Layout from '@/layouts/Layout.astro'
 import { checkSlugDuplication } from '@/utils/content'
 import { generateDescription } from '@/utils/description'
diff --git a/src/pages/[...tags].astro b/src/pages/[...tags].astro
index dd6d526..640a7a9 100644
--- a/src/pages/[...tags].astro
+++ b/src/pages/[...tags].astro
@@ -1,5 +1,5 @@
 ---
-import { allLocales, defaultLocale } from '@/i18n/config'
+import { allLocales, defaultLocale } from '@/config'
 import Layout from '@/layouts/Layout.astro'
 import { getAllTags } from '@/utils/content'
 
diff --git a/src/pages/[...tags_tag].astro b/src/pages/[...tags_tag].astro
index db7a98e..c623dee 100644
--- a/src/pages/[...tags_tag].astro
+++ b/src/pages/[...tags_tag].astro
@@ -1,6 +1,6 @@
 ---
 import PostList from '@/components/PostList.astro'
-import { allLocales, defaultLocale } from '@/i18n/config'
+import { allLocales, defaultLocale } from '@/config'
 import Layout from '@/layouts/Layout.astro'
 import { getAllTags, getPostsByTag } from '@/utils/content'
 
diff --git a/src/pages/[lang]/atom.xml.ts b/src/pages/[lang]/atom.xml.ts
index 33c1fb1..b32693f 100644
--- a/src/pages/[lang]/atom.xml.ts
+++ b/src/pages/[lang]/atom.xml.ts
@@ -1,5 +1,5 @@
 import type { APIContext } from 'astro'
-import { moreLocales } from '@/i18n/config'
+import { moreLocales } from '@/config'
 import { generateRSS } from '@/utils/rss'
 
 // Generate static paths for all supported languages
diff --git a/src/pages/[lang]/rss.xml.ts b/src/pages/[lang]/rss.xml.ts
index 33c1fb1..b32693f 100644
--- a/src/pages/[lang]/rss.xml.ts
+++ b/src/pages/[lang]/rss.xml.ts
@@ -1,5 +1,5 @@
 import type { APIContext } from 'astro'
-import { moreLocales } from '@/i18n/config'
+import { moreLocales } from '@/config'
 import { generateRSS } from '@/utils/rss'
 
 // Generate static paths for all supported languages
diff --git a/src/types/index.d.ts b/src/types/index.d.ts
index 0a860d8..b9c5101 100644
--- a/src/types/index.d.ts
+++ b/src/types/index.d.ts
@@ -1,4 +1,4 @@
-import type { supportedLangs } from '@/i18n/ui'
+import type { supportedLangs } from '@/i18n/config'
 
 type Exclude<T, U> = T extends U ? never : T
 
diff --git a/src/utils/content.ts b/src/utils/content.ts
index a1465bf..ce4962b 100644
--- a/src/utils/content.ts
+++ b/src/utils/content.ts
@@ -1,6 +1,6 @@
 import type { CollectionEntry } from 'astro:content'
 import themeConfig from '@/config'
-import { supportedLangs } from '@/i18n/ui'
+import { supportedLangs } from '@/i18n/config'
 import { getCollection } from 'astro:content'
 
 // Type definitions
diff --git a/src/utils/description.ts b/src/utils/description.ts
index cfd9bd3..eacad0c 100644
--- a/src/utils/description.ts
+++ b/src/utils/description.ts
@@ -19,8 +19,7 @@ export function generateExcerpt(content: string, length: number = 98): string {
   const normalizedText = plainText.replace(/\s+/g, ' ')
   const excerpt = normalizedText.slice(0, length).trim()
   // Add ellipsis if text was truncated
-  const needsEllipsis = normalizedText.length > length
-  return needsEllipsis ? `${excerpt}...` : excerpt
+  return normalizedText.length > length ? `${excerpt}...` : excerpt
 }
 
 // Automatically generate a description for the article
diff --git a/src/utils/page.ts b/src/utils/page.ts
index 3b901cb..d26b5d1 100644
--- a/src/utils/page.ts
+++ b/src/utils/page.ts
@@ -1,4 +1,4 @@
-import { moreLocales } from '@/i18n/config'
+import { moreLocales } from '@/config'
 import { getLangFromPath } from '@/i18n/lang'
 import { getLocalizedPath } from '@/i18n/path'
 
diff --git a/src/utils/rss.ts b/src/utils/rss.ts
index e02fece..3a08a3a 100644
--- a/src/utils/rss.ts
+++ b/src/utils/rss.ts
@@ -1,6 +1,5 @@
 import type { CollectionEntry } from 'astro:content'
-import themeConfig from '@/config'
-import { defaultLocale } from '@/i18n/config'
+import themeConfig, { defaultLocale } from '@/config'
 import rss from '@astrojs/rss'
 import { getCollection } from 'astro:content'
 import MarkdownIt from 'markdown-it'
@@ -10,7 +9,7 @@ const parser = new MarkdownIt()
 const { title, description, url } = themeConfig.site
 const followConfig = themeConfig.seo?.follow
 
-// Returns first 50 chars with proper truncation
+// Returns first 98 chars with proper truncation
 function getExcerpt(content: string): string {
   if (!content)
     return ''
@@ -19,8 +18,8 @@ function getExcerpt(content: string): string {
     allowedTags: [],
     allowedAttributes: {},
   })
-  const excerpt = plainText.slice(0, 50).trim()
-  return excerpt.length === 50 ? `${excerpt}...` : excerpt
+  const excerpt = plainText.slice(0, 98).trim()
+  return excerpt.length === 98 ? `${excerpt}...` : excerpt
 }
 
 interface GenerateRSSOptions {