diff --git a/.vitepress/theme/index.ts b/.vitepress/theme/index.ts
index a3b47cd..694812b 100644
--- a/.vitepress/theme/index.ts
+++ b/.vitepress/theme/index.ts
@@ -1,7 +1,6 @@
 import { inBrowser } from 'vitepress'
 import DefaultTheme from 'vitepress/theme'
 import { changeLocales } from './plugins/locales'
-import { setSymbolStyle, replaceSymbol } from './plugins/symbol'
 import { siteIds, registerAnalytics, trackPageview } from './plugins/analytics'
 import { isInvalidRoute, redirect } from './plugins/redirect'
 import './styles/custom.css'
@@ -15,7 +14,6 @@ const theme: Theme = {
         redirect()
       }
 
-      setSymbolStyle()
       siteIds.forEach((id) => registerAnalytics(id))
 
       window.addEventListener('load', () => {
@@ -29,7 +27,6 @@ const theme: Theme = {
 
       router.onAfterRouteChanged = (to) => {
         changeLocales()
-        replaceSymbol()
         siteIds.forEach((id) => trackPageview(id, to))
       }
     }
diff --git a/.vitepress/theme/plugins/analytics.ts b/.vitepress/theme/plugins/analytics.ts
index c33dcc0..636cd27 100644
--- a/.vitepress/theme/plugins/analytics.ts
+++ b/.vitepress/theme/plugins/analytics.ts
@@ -1,16 +1,10 @@
 import { inBrowser } from 'vitepress'
 
-/**
- * 统计站点的 ID 列表
- */
 export const siteIds = [
-  'd6895b6f22616e579e9e6d37936b8dca', // 主站
-  '025e7d9acbc7359afa71bdae5aa03f33', // 本站
+  'd6895b6f22616e579e9e6d37936b8dca', // Cropper
+  '8dca8e2532df48ea7f1b15c714588691', // Blog
 ]
 
-/**
- * 注册统计
- */
 export function registerAnalytics(siteId: string) {
   if (!inBrowser) return
   if (document.querySelector(`#analytics-plugin-${siteId}`)) return
@@ -23,11 +17,6 @@ export function registerAnalytics(siteId: string) {
   document.querySelector('head')?.appendChild(script)
 }
 
-/**
- * 上报 PV 数据
- * @param siteId - 站点 ID
- * @param pageUrl - 页面 URL
- */
 export function trackPageview(siteId: string, pageUrl: string) {
   if (!inBrowser) return
   if (!pageUrl || typeof pageUrl !== 'string') {
diff --git a/.vitepress/theme/plugins/redirect.ts b/.vitepress/theme/plugins/redirect.ts
index 124fece..75be622 100644
--- a/.vitepress/theme/plugins/redirect.ts
+++ b/.vitepress/theme/plugins/redirect.ts
@@ -1,15 +1,9 @@
 import { inBrowser } from 'vitepress'
 
-/**
- * 重定向的 Map 表
- */
 export const redirectMap = {
-  update: 'upgrade',
+  // update: 'upgrade',
 }
 
-/**
- * 根据页面 URL 提取路由名称
- */
 export function getRouteName() {
   if (!inBrowser) return ''
   const { pathname } = window.location
@@ -17,9 +11,6 @@ export function getRouteName() {
   return routeName
 }
 
-/**
- * 判断是否无效路由
- */
 export function isInvalidRoute() {
   if (!inBrowser) return false
   const routeName = getRouteName()
@@ -27,18 +18,12 @@ export function isInvalidRoute() {
   return keys.includes(routeName)
 }
 
-/**
- * 获取重定向目标
- */
 export function redirectTarget() {
   if (!inBrowser) return '/'
   const routeName = getRouteName()
   return `/${redirectMap[routeName]}.html` || '/'
 }
 
-/**
- * 重定向
- */
 export function redirect() {
   if (!inBrowser) return
   window.location.replace(redirectTarget())
diff --git a/.vitepress/theme/plugins/symbol.ts b/.vitepress/theme/plugins/symbol.ts
deleted file mode 100644
index 9467502..0000000
--- a/.vitepress/theme/plugins/symbol.ts
+++ /dev/null
@@ -1,127 +0,0 @@
-import { inBrowser } from 'vitepress'
-
-interface Config {
-  hot: string
-  new: string
-}
-
-// 标记
-const markConfig: Config = {
-  hot: ' ~hot',
-  new: ' ~new',
-}
-
-// 图标
-const iconConfig: Config = {
-  hot: '<i class="sidebar__icon--default sidebar__icon--hot"></i>',
-  new: '<i class="sidebar__icon--default sidebar__icon--new"></i>',
-}
-
-/**
- * 设置图标样式
- */
-export function setSymbolStyle() {
-  if (!inBrowser) return
-  try {
-    const ID = 'symbol-plugin'
-    if (document.querySelector(`#${ID}`)) return
-
-    const CSS = `
-    .sidebar__icon--default {
-      position: relative;
-      display: inline-block;
-      width: 18px;
-      height: 18px;
-      color: #fff;
-      font-size: 13px;
-      font-weight: bold;
-      font-style: normal;
-      vertical-align: middle;
-      margin: 0 5px;
-      transform: scale(0.7) rotate(30deg);
-    }
-    .sidebar__icon--default:before {
-      position: absolute;
-      top: 0;
-      left: 0;
-      width: 18px;
-      height: 18px;
-      line-height: 18px;
-      text-align: center;
-      transform: rotate(135deg);
-    }
-    .sidebar__icon--hot {
-      background-color: #da5961;
-    }
-    .sidebar__icon--hot:before {
-      content: "H";
-      background-color: #da5961;
-    }
-    .sidebar__icon--new {
-      background-color: #3eaf7c;
-    }
-    .sidebar__icon--new:before {
-      content: "N";
-      background-color: #3eaf7c;
-    }
-    `
-
-    const style = document.createElement('style')
-    style.id = ID
-    style.appendChild(document.createTextNode(CSS))
-    document.head.appendChild(style)
-  } catch (e) {
-    console.log(e)
-  }
-}
-
-/**
- * 执行标记替换
- */
-export function replaceSymbol() {
-  if (!inBrowser) return
-  setTimeout(() => {
-    try {
-      // 获取 DOM
-      const sidebarLinks =
-        document.querySelectorAll('.aside-container nav .outline-link') || []
-      const h2s = document.querySelectorAll('.content-container h2') || []
-      const h3s = document.querySelectorAll('.content-container h3') || []
-      const h4s = document.querySelectorAll('.content-container h4') || []
-      const doms = [...sidebarLinks, ...h2s, ...h3s, ...h4s]
-
-      // 替换标记成图标
-      doms.forEach((item) => {
-        let html = item.innerHTML
-
-        for (const key in markConfig) {
-          if (Object.hasOwnProperty.call(markConfig, key)) {
-            const mark = markConfig[key]
-            const icon = iconConfig[key]
-            const reg = new RegExp(mark, 'img')
-
-            // 只处理包含标记的元素
-            if (html.includes(mark)) {
-              // 部分元素不显示图标
-              const { nodeName } = item
-              switch (nodeName) {
-                case 'H2':
-                case 'H3':
-                case 'H4':
-                  html = html.replace(reg, '')
-                  break
-                default:
-                  html = html.replace(reg, icon)
-              }
-
-              // 渲染
-              item.innerHTML = html
-            }
-          }
-        }
-      })
-    } catch (e) {
-      console.log(e)
-    }
-  }, 100)
-}