diff --git a/cli/package.json b/cli/package.json
index 5e717df3..cdab6ce1 100644
--- a/cli/package.json
+++ b/cli/package.json
@@ -27,7 +27,7 @@
     "templates"
   ],
   "scripts": {
-    "build": "tsdown"
+    "build": "tsdown --config-loader unrun"
   },
   "dependencies": {
     "@clack/prompts": "catalog:prod",
diff --git a/cli/tsdown.config.mjs b/cli/tsdown.config.ts
similarity index 100%
rename from cli/tsdown.config.mjs
rename to cli/tsdown.config.ts
diff --git a/plugins/plugin-fonts/package.json b/plugins/plugin-fonts/package.json
index b3530d20..a8795dd1 100644
--- a/plugins/plugin-fonts/package.json
+++ b/plugins/plugin-fonts/package.json
@@ -30,7 +30,7 @@
     "build": "pnpm run tsdown && pnpm run copy",
     "clean": "rimraf --glob ./lib",
     "copy": "cpx \"src/**/*.{d.ts,vue,css,scss,jpg,png,woff2}\" lib",
-    "tsdown": "tsdown"
+    "tsdown": "tsdown --config-loader unrun"
   },
   "peerDependencies": {
     "vuepress": "catalog:vuepress"
diff --git a/plugins/plugin-fonts/tsdown.config.mjs b/plugins/plugin-fonts/tsdown.config.ts
similarity index 68%
rename from plugins/plugin-fonts/tsdown.config.mjs
rename to plugins/plugin-fonts/tsdown.config.ts
index 04c322b0..486da7aa 100644
--- a/plugins/plugin-fonts/tsdown.config.mjs
+++ b/plugins/plugin-fonts/tsdown.config.ts
@@ -1,7 +1,5 @@
-import { defineConfig } from 'tsdown'
-import { argv } from '../../scripts/tsdown-args.mjs'
-
-/** @import {Options} from 'tsdown' */
+import { defineConfig, type UserConfig } from 'tsdown'
+import { argv } from '../../scripts/tsdown-args'
 
 const clientExternal = [
   /.*\.vue$/,
@@ -9,15 +7,13 @@ const clientExternal = [
 ]
 
 export default defineConfig(() => {
-  /** @type {Options} */
-  const DEFAULT_OPTIONS = {
+  const DEFAULT_OPTIONS: UserConfig = {
     dts: true,
     sourcemap: false,
     format: 'esm',
     fixedExtension: false,
   }
-  /** @type {Options[]} */
-  const options = []
+  const options: UserConfig[] = []
 
   if (argv.node) {
     options.push({
@@ -36,7 +32,7 @@ export default defineConfig(() => {
         entry: ['./src/client/config.ts'],
         outDir: './lib/client',
         dts: false,
-        external: clientExternal,
+        deps: { neverBundle: clientExternal },
       },
     ])
   }
diff --git a/plugins/plugin-md-power/package.json b/plugins/plugin-md-power/package.json
index 342d7b2d..3814b196 100644
--- a/plugins/plugin-md-power/package.json
+++ b/plugins/plugin-md-power/package.json
@@ -36,8 +36,8 @@
     "clean": "rimraf --glob ./lib",
     "copy": "cpx \"src/**/*.{d.ts,vue,css,scss,jpg,png}\" lib",
     "copy:watch": "cpx \"src/**/*.{d.ts,vue,css,scss,jpg,png}\" lib -w",
-    "tsdown": "tsdown",
-    "tsdown:watch": "tsdown --watch -- -c"
+    "tsdown": "tsdown --config-loader unrun",
+    "tsdown:watch": "tsdown --config-loader unrun --watch -- -c"
   },
   "peerDependencies": {
     "artplayer": "catalog:peer",
diff --git a/plugins/plugin-md-power/tsdown.config.mjs b/plugins/plugin-md-power/tsdown.config.ts
similarity index 77%
rename from plugins/plugin-md-power/tsdown.config.mjs
rename to plugins/plugin-md-power/tsdown.config.ts
index e68634ac..e1e9cd8e 100644
--- a/plugins/plugin-md-power/tsdown.config.mjs
+++ b/plugins/plugin-md-power/tsdown.config.ts
@@ -1,7 +1,5 @@
-import { defineConfig } from 'tsdown'
-import { argv } from '../../scripts/tsdown-args.mjs'
-
-/** @import {Options} from 'tsdown' */
+import { defineConfig, type UserConfig } from 'tsdown'
+import { argv } from '../../scripts/tsdown-args'
 
 const config = [
   { dir: 'composables', files: ['codeRepl.ts', 'pdf.ts', 'rustRepl.ts', 'size.ts', 'audio.ts', 'demo.ts', 'mark.ts', 'decrypt.ts'] },
@@ -18,8 +16,7 @@ const clientExternal = [
 ]
 
 export default defineConfig((cli) => {
-  /** @type {Options}  */
-  const DEFAULT_OPTIONS = {
+  const DEFAULT_OPTIONS: UserConfig = {
     dts: true,
     sourcemap: false,
     format: 'esm',
@@ -27,8 +24,7 @@ export default defineConfig((cli) => {
     fixedExtension: false,
   }
 
-  /** @type {Options[]} */
-  const options = []
+  const options: UserConfig[] = []
 
   // shared
   options.push({
@@ -43,7 +39,7 @@ export default defineConfig((cli) => {
       entry: ['./src/node/index.ts'],
       outDir: './lib/node',
       target: 'node20.19.0',
-      external: ['markdown-it', /^@?vuepress/],
+      deps: { neverBundle: ['markdown-it', /^@?vuepress/] },
     })
   }
 
@@ -52,7 +48,7 @@ export default defineConfig((cli) => {
       ...DEFAULT_OPTIONS,
       entry: files.map(file => `./src/client/${dir}/${file}`),
       outDir: `./lib/client/${dir}`,
-      external: clientExternal,
+      deps: { neverBundle: clientExternal },
     })))
   }
   return options
diff --git a/plugins/plugin-search/package.json b/plugins/plugin-search/package.json
index 8197b8b4..7b5ae352 100644
--- a/plugins/plugin-search/package.json
+++ b/plugins/plugin-search/package.json
@@ -34,7 +34,7 @@
     "build": "pnpm run tsdown && pnpm run copy",
     "clean": "rimraf --glob ./lib",
     "copy": "cpx \"src/**/*.{d.ts,vue,css,scss,jpg,png}\" lib",
-    "tsdown": "tsdown"
+    "tsdown": "tsdown --config-loader unrun"
   },
   "peerDependencies": {
     "vuepress": "catalog:vuepress"
diff --git a/plugins/plugin-search/tsdown.config.mjs b/plugins/plugin-search/tsdown.config.ts
similarity index 76%
rename from plugins/plugin-search/tsdown.config.mjs
rename to plugins/plugin-search/tsdown.config.ts
index 70477fe5..39af934a 100644
--- a/plugins/plugin-search/tsdown.config.mjs
+++ b/plugins/plugin-search/tsdown.config.ts
@@ -1,7 +1,5 @@
-import { defineConfig } from 'tsdown'
-import { argv } from '../../scripts/tsdown-args.mjs'
-
-/** @import {Options} from 'tsdown' */
+import { defineConfig, type UserConfig } from 'tsdown'
+import { argv } from '../../scripts/tsdown-args'
 
 const sharedExternal = [
   /.*\/shared\/index\.js$/,
@@ -15,16 +13,14 @@ const clientExternal = [
 ]
 
 export default defineConfig(() => {
-  /** @type {Options} */
-  const DEFAULT_OPTIONS = {
+  const DEFAULT_OPTIONS: UserConfig = {
     dts: true,
     sourcemap: false,
     format: 'esm',
     fixedExtension: false,
   }
 
-  /** @type {Options[]} */
-  const options = []
+  const options: UserConfig[] = []
 
   // shared
   options.push({
@@ -38,7 +34,7 @@ export default defineConfig(() => {
       ...DEFAULT_OPTIONS,
       entry: ['./src/node/index.ts'],
       outDir: './lib/node',
-      external: sharedExternal,
+      deps: { neverBundle: sharedExternal },
       target: 'node20.19.0',
     })
   }
@@ -50,21 +46,21 @@ export default defineConfig(() => {
         ...DEFAULT_OPTIONS,
         entry: ['./src/client/utils/index.ts'],
         outDir: './lib/client/utils',
-        external: clientExternal,
+        deps: { neverBundle: clientExternal },
       },
       // client/composables/index.js
       {
         ...DEFAULT_OPTIONS,
         entry: ['./src/client/composables/index.ts'],
         outDir: './lib/client/composables',
-        external: clientExternal,
+        deps: { neverBundle: clientExternal },
       },
       // client/config.js
       {
         ...DEFAULT_OPTIONS,
         entry: ['./src/client/config.ts'],
         outDir: './lib/client',
-        external: clientExternal,
+        deps: { neverBundle: clientExternal },
         dts: false,
       },
       // client/index.js
@@ -72,10 +68,10 @@ export default defineConfig(() => {
         ...DEFAULT_OPTIONS,
         entry: ['./src/client/index.ts'],
         outDir: './lib/client',
-        external: [
+        deps: { neverBundle: [
           ...clientExternal,
           './composables/index.js',
-        ],
+        ] },
       },
     ])
   }
diff --git a/scripts/mirror-sync.mjs b/scripts/mirror-sync.mjs
index 7ace1211..1ae6b1b4 100644
--- a/scripts/mirror-sync.mjs
+++ b/scripts/mirror-sync.mjs
@@ -33,9 +33,7 @@ async function npmMirrorSync() {
         resolve()
       })
 
-      req.on('error', (error) => {
-        reject(error)
-      })
+      req.on('error', reject)
 
       req.end()
     })
diff --git a/scripts/tsdown-args.mjs b/scripts/tsdown-args.ts
similarity index 66%
rename from scripts/tsdown-args.mjs
rename to scripts/tsdown-args.ts
index b389aaaa..5b4386a7 100644
--- a/scripts/tsdown-args.mjs
+++ b/scripts/tsdown-args.ts
@@ -1,16 +1,10 @@
 import process from 'node:process'
 import minimist from 'minimist'
 
-// interface ArgvOptions {
-//   client: boolean
-//   node: boolean
-// }
-
-/**
- * @typedef {object} ArgvOptions
- * @property {boolean} client - 是否构建客户端
- * @property {boolean} node - 是否构建 node 端
- */
+interface ArgvOptions {
+  client: boolean
+  node: boolean
+}
 
 const rawArgv = process.argv.slice(2)
 const tsupArgv = rawArgv.includes('--') ? rawArgv.slice(rawArgv.indexOf('--') + 1) : []
@@ -30,8 +24,7 @@ const parsed = tsupArgv.length
       all: true,
     }
 
-/** @type {ArgvOptions} */
-export const argv = {
+export const argv: ArgvOptions = {
   client: parsed.client || parsed.all,
   node: parsed.node || parsed.all,
 }
diff --git a/theme/package.json b/theme/package.json
index ac2bab5a..bf9bd2ee 100644
--- a/theme/package.json
+++ b/theme/package.json
@@ -62,8 +62,8 @@
     "clean": "rimraf --glob ./lib",
     "copy": "cpx \"src/**/*.{d.ts,vue,css,scss,jpg,png,woff2}\" lib",
     "copy:watch": "cpx \"src/**/*.{d.ts,vue,css,scss,jpg,png,woff2}\" lib -w",
-    "tsdown": "tsdown",
-    "tsdown:watch": "tsdown --watch -- -c"
+    "tsdown": "tsdown --config-loader unrun",
+    "tsdown:watch": "tsdown --config-loader unrun --watch -- -c"
   },
   "peerDependencies": {
     "@iconify/json": ">=2",
diff --git a/theme/tsdown.config.mjs b/theme/tsdown.config.ts
similarity index 81%
rename from theme/tsdown.config.mjs
rename to theme/tsdown.config.ts
index d59088a2..cd0f94f8 100644
--- a/theme/tsdown.config.mjs
+++ b/theme/tsdown.config.ts
@@ -1,8 +1,8 @@
 import fs from 'node:fs'
 import path from 'node:path'
 import process from 'node:process'
-import { defineConfig } from 'tsdown'
-import { argv } from '../scripts/tsdown-args.mjs'
+import { defineConfig, type UserConfig } from 'tsdown'
+import { argv } from '../scripts/tsdown-args'
 
 /** @import {Options} from 'tsdown' */
 
@@ -24,25 +24,22 @@ const featuresComposables = fs.readdirSync(
 )
 
 export default defineConfig((cli) => {
-  /** @type {Options} */
-  const DEFAULT_OPTIONS = {
+  const DEFAULT_OPTIONS: UserConfig = {
     dts: true,
     sourcemap: false,
     watch: cli.watch,
     format: 'esm',
-    silent: !!cli.watch,
     clean: !cli.watch,
     fixedExtension: false,
   }
-  /** @type {Options[]} */
-  const options = []
+  const options: UserConfig[] = []
 
   // shared
   options.push({
     ...DEFAULT_OPTIONS,
     entry: ['./src/shared/index.ts'],
     outDir: './lib/shared',
-    external: ['sax'],
+    deps: { neverBundle: ['sax'] },
   })
 
   if (argv.node) {
@@ -50,20 +47,20 @@ export default defineConfig((cli) => {
       ...DEFAULT_OPTIONS,
       entry: ['./src/node/index.ts'],
       outDir: './lib/node',
-      external: [...sharedExternal, '@pinyin-pro/data/complete'],
+      deps: { neverBundle: [...sharedExternal, '@pinyin-pro/data/complete'] },
       target: 'node20.19.0',
       watch: false,
     })
   }
   if (argv.client) {
-    options.push(...[
+    options.push(
       // client/utils/index.js
       {
         ...DEFAULT_OPTIONS,
         entry: ['./src/client/utils/index.ts'],
         outDir: './lib/client/utils',
         platform: 'browser',
-        external: clientExternal,
+        deps: { neverBundle: clientExternal },
       },
       // client/composables/index.js
       {
@@ -71,10 +68,10 @@ export default defineConfig((cli) => {
         entry: ['./src/client/composables/index.ts'],
         outDir: './lib/client/composables',
         platform: 'browser',
-        external: [
+        deps: { neverBundle: [
           ...clientExternal,
           '../utils/index.js',
-        ],
+        ] },
       },
       // client/config.js
       {
@@ -83,11 +80,11 @@ export default defineConfig((cli) => {
         outDir: './lib/client',
         dts: false,
         platform: 'browser',
-        external: [
+        deps: { neverBundle: [
           ...clientExternal,
           './composables/index.js',
           './utils/index.js',
-        ],
+        ] },
       },
       // client/index.js
       {
@@ -95,26 +92,26 @@ export default defineConfig((cli) => {
         entry: ['./src/client/index.ts'],
         outDir: './lib/client',
         platform: 'browser',
-        external: [
+        deps: { neverBundle: [
           ...clientExternal,
           './composables/index.js',
           './utils/index.js',
           './config.js',
-        ],
+        ] },
       },
       ...featuresComposables.map(file => ({
         ...DEFAULT_OPTIONS,
         entry: [`./src/client/features/composables/${file}`],
         outDir: `./lib/client/features/composables/`,
         platform: 'browser',
-        external: [
+        deps: { neverBundle: [
           ...clientExternal,
           '../../composables/index.js',
           '../../utils/index.js',
           ...featuresComposables.map(file => `./${file.replace('.ts', '.js')}`),
-        ],
-      })),
-    ])
+        ] },
+      } as UserConfig)),
+    )
   }
   return options
 })
diff --git a/tsconfig.json b/tsconfig.json
index 6153f20b..3d570563 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -14,7 +14,8 @@
     "theme/**/*",
     "docs/.vuepress/**/*",
     "cli/**/*",
-    "scripts/**/*"
+    "scripts/**/*",
+    "**/tsdown.config.ts"
   ],
   "exclude": [
     "**/node_modules/**",