diff --git a/apps/desktop/electron.vite.config.ts b/apps/desktop/electron.vite.config.ts
index 23e7e31c..00d4ccd0 100644
--- a/apps/desktop/electron.vite.config.ts
+++ b/apps/desktop/electron.vite.config.ts
@@ -3,6 +3,7 @@ import { readFileSync } from 'fs'
 import { defineConfig } from 'electron-vite'
 import vue from '@vitejs/plugin-vue'
 import ui from '@nuxt/ui/vite'
+import { chatlabIconBundle } from '../../vite.icon-bundle.config'
 
 const rootDir = resolve(__dirname, '../..')
 const rootPkg = JSON.parse(readFileSync(resolve(rootDir, 'package.json'), 'utf-8'))
@@ -107,6 +108,7 @@ export default defineConfig({
           },
         },
       }),
+      chatlabIconBundle(rootDir),
     ],
     root: resolve(rootDir, 'src/'),
     build: {
@@ -126,12 +128,6 @@ export default defineConfig({
             if (id.includes('node_modules/echarts')) {
               return 'vendor-echarts'
             }
-            if (id.includes('node_modules/@nuxt/ui')) {
-              return 'vendor-nuxt-ui'
-            }
-            if (id.includes('node_modules/reka-ui')) {
-              return 'vendor-reka-ui'
-            }
             if (id.includes('node_modules/@zumer/snapdom')) {
               return 'vendor-snapdom'
             }
diff --git a/apps/desktop/tsconfig.node.json b/apps/desktop/tsconfig.node.json
index 8cdb5069..b12e0815 100644
--- a/apps/desktop/tsconfig.node.json
+++ b/apps/desktop/tsconfig.node.json
@@ -2,6 +2,7 @@
   "extends": "@electron-toolkit/tsconfig/tsconfig.node.json",
   "include": [
     "electron.vite.config.*",
+    "../../vite.icon-bundle.config.ts",
     "main/**/*",
     "preload/**/*",
     "shared/**/*",
diff --git a/apps/web-wasm/src/main.ts b/apps/web-wasm/src/main.ts
index cbe65719..13f8c982 100644
--- a/apps/web-wasm/src/main.ts
+++ b/apps/web-wasm/src/main.ts
@@ -1,3 +1,6 @@
+import '@/icons/disable-iconify-api'
+import 'virtual:nuxt-icon-bundle/register'
+
 import { createApp } from 'vue'
 import { createPinia } from 'pinia'
 import piniaPluginPersistedstate from 'pinia-plugin-persistedstate'
diff --git a/package.json b/package.json
index 474c18d5..fce1e3fa 100644
--- a/package.json
+++ b/package.json
@@ -74,6 +74,11 @@
     "@openchatlab/tools": "workspace:*",
     "@openchatlab/web-runtime": "workspace:*",
     "@electron-toolkit/tsconfig": "^1.0.1",
+    "@iconify-json/heroicons": "^1.2.3",
+    "@iconify-json/lucide": "^1.2.118",
+    "@iconify-json/simple-icons": "1.2.83",
+    "@iconify/vue": "5.0.1",
+    "@nuxt/icon": "2.3.1",
     "@nuxt/ui": "^4.9.0",
     "@tailwindcss/vite": "^4.0.0",
     "@types/markdown-it": "^14.1.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b50d1abf..0fe1830b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -39,6 +39,21 @@ importers:
       '@electron-toolkit/tsconfig':
         specifier: ^1.0.1
         version: 1.0.1(@types/node@25.2.2)
+      '@iconify-json/heroicons':
+        specifier: ^1.2.3
+        version: 1.2.3
+      '@iconify-json/lucide':
+        specifier: ^1.2.118
+        version: 1.2.118
+      '@iconify-json/simple-icons':
+        specifier: 1.2.83
+        version: 1.2.83
+      '@iconify/vue':
+        specifier: 5.0.1
+        version: 5.0.1(vue@3.5.27(typescript@6.0.3))
+      '@nuxt/icon':
+        specifier: 2.3.1
+        version: 2.3.1(vite@7.3.3(@types/node@25.2.2)(jiti@2.7.0)(lightningcss@1.32.0)(tsx@4.21.0)(yaml@2.8.2))(vue@3.5.27(typescript@6.0.3))
       '@nuxt/ui':
         specifier: ^4.9.0
         version: 4.9.0(s6g7ddwkwqprfo6zxngcqjtvte)
@@ -1441,6 +1456,12 @@ packages:
     resolution: {integrity: sha512-bV0Tgo9K4hfPCek+aMAn81RppFKv2ySDQeMoSZuvTASywNTnVJCArCZE2FWqpvIatKu7VMRLWlR1EazvVhDyhQ==}
     engines: {node: '>=18.18'}
 
+  '@iconify-json/heroicons@1.2.3':
+    resolution: {integrity: sha512-n+vmCEgTesRsOpp5AB5ILB6srsgsYK+bieoQBNlafvoEhjVXLq8nIGN4B0v/s4DUfa0dOrjwE/cKJgIKdJXOEg==}
+
+  '@iconify-json/lucide@1.2.118':
+    resolution: {integrity: sha512-JBnK4YOq6K/lA0JP//27QxFxJ4120TjvfXAzGZZIGjCcXcRRRFxl1rcV7+IWdcVCe90KXdqVaAwLaLf6G3HELw==}
+
   '@iconify-json/simple-icons@1.2.83':
     resolution: {integrity: sha512-6Pp9V++XisT9RKH7FB4RLPqUDzcmLtSma0ovOEIoEWGrXtHwBFsH7oN1z8vvCVCb95fb87QgR46/zRLyN9Y3kg==}
 
@@ -8090,6 +8111,14 @@ snapshots:
 
   '@humanwhocodes/retry@0.4.3': {}
 
+  '@iconify-json/heroicons@1.2.3':
+    dependencies:
+      '@iconify/types': 2.0.0
+
+  '@iconify-json/lucide@1.2.118':
+    dependencies:
+      '@iconify/types': 2.0.0
+
   '@iconify-json/simple-icons@1.2.83':
     dependencies:
       '@iconify/types': 2.0.0
diff --git a/src/env.d.ts b/src/env.d.ts
index fce1d53f..63f50fe3 100644
--- a/src/env.d.ts
+++ b/src/env.d.ts
@@ -1,4 +1,5 @@
 /// <reference types="vite/client" />
+/// <reference types="@nuxt/icon/client" />
 
 declare const __IS_ELECTRON__: boolean | undefined
 declare const __IS_WEB_WASM__: boolean | undefined
diff --git a/src/icons/disable-iconify-api.ts b/src/icons/disable-iconify-api.ts
new file mode 100644
index 00000000..5944c86c
--- /dev/null
+++ b/src/icons/disable-iconify-api.ts
@@ -0,0 +1,5 @@
+import { _api as iconifyAPI } from '@iconify/vue'
+
+// All icons used by the app are registered by virtual:nuxt-icon-bundle/register.
+// Disable Iconify's fallback fetcher so an unbundled dynamic name cannot contact a CDN.
+iconifyAPI.setFetch(undefined as unknown as typeof globalThis.fetch)
diff --git a/src/main.ts b/src/main.ts
index d572f65b..d159e601 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,3 +1,6 @@
+import '@/icons/disable-iconify-api'
+import 'virtual:nuxt-icon-bundle/register'
+
 import { mountChatLabApp } from '@/bootstrap/mount-app'
 
 void mountChatLabApp().catch((error) => {
diff --git a/vite.icon-bundle.config.ts b/vite.icon-bundle.config.ts
new file mode 100644
index 00000000..af67cd8c
--- /dev/null
+++ b/vite.icon-bundle.config.ts
@@ -0,0 +1,17 @@
+import { NuxtIconBundle } from '@nuxt/icon/vite'
+import type { PluginOption } from 'vite'
+
+/** Bundle every icon used by ChatLab and Nuxt UI so rendering never depends on an icon CDN. */
+export function chatlabIconBundle(rootDir: string): PluginOption {
+  return NuxtIconBundle({
+    cwd: rootDir,
+    scan: {
+      globInclude: [
+        'src/**/*.{vue,ts,tsx}',
+        'apps/web-wasm/src/**/*.{vue,ts,tsx}',
+        'node_modules/@nuxt/ui/dist/**/*.{vue,js,mjs,ts}',
+      ],
+      globExclude: [],
+    },
+  })
+}
diff --git a/vite.web-wasm.config.mts b/vite.web-wasm.config.mts
index 34625120..711798c1 100644
--- a/vite.web-wasm.config.mts
+++ b/vite.web-wasm.config.mts
@@ -3,6 +3,7 @@ import { resolve } from 'node:path'
 import vue from '@vitejs/plugin-vue'
 import ui from '@nuxt/ui/vite'
 import { defineConfig } from 'vite'
+import { chatlabIconBundle } from './vite.icon-bundle.config'
 
 const rootDir = import.meta.dirname
 
@@ -20,6 +21,7 @@ export default defineConfig({
         },
       },
     }),
+    chatlabIconBundle(rootDir),
   ],
   resolve: {
     alias: {
diff --git a/vite.web.config.mts b/vite.web.config.mts
index 3a212c72..37a405d3 100644
--- a/vite.web.config.mts
+++ b/vite.web.config.mts
@@ -19,6 +19,7 @@ import vue from '@vitejs/plugin-vue'
 import ui from '@nuxt/ui/vite'
 import { DEFAULT_API_PORT } from './packages/config/src/schema'
 import { createChatlabStartCommand, terminateChatlabStartProcess } from './scripts/dev-server-command.mjs'
+import { chatlabIconBundle } from './vite.icon-bundle.config'
 
 const BACKEND_PORT = DEFAULT_API_PORT
 
@@ -167,6 +168,7 @@ export default defineConfig({
         },
       },
     }),
+    chatlabIconBundle(__dirname),
     chatlabServePlugin(),
   ],
   build: {
@@ -182,8 +184,6 @@ export default defineConfig({
           if (id.includes('node_modules/echarts-wordcloud')) return 'vendor-echarts-wordcloud'
           if (id.includes('node_modules/zrender')) return 'vendor-zrender'
           if (id.includes('node_modules/echarts')) return 'vendor-echarts'
-          if (id.includes('node_modules/@nuxt/ui')) return 'vendor-nuxt-ui'
-          if (id.includes('node_modules/reka-ui')) return 'vendor-reka-ui'
           if (id.includes('node_modules/@zumer/snapdom')) return 'vendor-snapdom'
           return undefined
         },