diff --git a/packages/vant-cli/package.json b/packages/vant-cli/package.json
index 1893f7578..20310b0e9 100644
--- a/packages/vant-cli/package.json
+++ b/packages/vant-cli/package.json
@@ -36,8 +36,6 @@
     "@types/fs-extra": "^9.0.1",
     "@types/lodash": "^4.14.153",
     "@types/postcss-load-config": "^2.0.1",
-    "@types/webpack": "^4.41.13",
-    "@types/webpack-dev-server": "^3.11.0",
     "@types/webpack-merge": "^4.1.5"
   },
   "dependencies": {
@@ -49,6 +47,8 @@
     "@babel/preset-typescript": "^7.10.1",
     "@nuxt/friendly-errors-webpack-plugin": "^2.5.0",
     "@types/jest": "^25.2.3",
+    "@types/webpack": "^4.41.13",
+    "@types/webpack-dev-server": "^3.11.0",
     "@vant/eslint-config": "^2.2.2",
     "@vant/markdown-loader": "^2.3.0",
     "@vant/markdown-vetur": "^2.0.1",
diff --git a/packages/vant-cli/src/common/types.ts b/packages/vant-cli/src/common/types.ts
new file mode 100644
index 000000000..ed63c4a25
--- /dev/null
+++ b/packages/vant-cli/src/common/types.ts
@@ -0,0 +1,6 @@
+import type Webpack from 'webpack';
+import type WebpackDevServer from 'webpack-dev-server';
+
+export type WebpackConfig = Webpack.Configuration & {
+  devServer?: WebpackDevServer.Configuration;
+};
diff --git a/packages/vant-cli/src/config/webpack.base.ts b/packages/vant-cli/src/config/webpack.base.ts
index 461869b01..78e8382de 100644
--- a/packages/vant-cli/src/config/webpack.base.ts
+++ b/packages/vant-cli/src/config/webpack.base.ts
@@ -4,6 +4,7 @@ import { VueLoaderPlugin } from 'vue-loader';
 import { join } from 'path';
 import { existsSync } from 'fs';
 import { consola } from '../common/logger';
+import { WebpackConfig } from '../common/types';
 import {
   CWD,
   CACHE_DIR,
@@ -61,7 +62,7 @@ if (existsSync(tsconfigPath)) {
   );
 }
 
-export const baseConfig = {
+export const baseConfig: WebpackConfig = {
   mode: 'development',
   resolve: {
     extensions: [...SCRIPT_EXTS, ...STYLE_EXTS],
diff --git a/packages/vant-cli/src/config/webpack.package.ts b/packages/vant-cli/src/config/webpack.package.ts
index f87f0918f..752c034bd 100644
--- a/packages/vant-cli/src/config/webpack.package.ts
+++ b/packages/vant-cli/src/config/webpack.package.ts
@@ -1,10 +1,11 @@
 import merge from 'webpack-merge';
 import { join } from 'path';
 import { baseConfig } from './webpack.base';
+import { WebpackConfig } from '../common/types';
 import { getVantConfig, getWebpackConfig, setBuildTarget } from '../common';
 import { LIB_DIR, ES_DIR } from '../common/constant';
 
-export function getPackageConfig(isMinify: boolean) {
+export function getPackageConfig(isMinify: boolean): WebpackConfig {
   const { name } = getVantConfig();
 
   setBuildTarget('package');
diff --git a/packages/vant-cli/src/config/webpack.site.dev.ts b/packages/vant-cli/src/config/webpack.site.dev.ts
index 408f19c74..805b5c79c 100644
--- a/packages/vant-cli/src/config/webpack.site.dev.ts
+++ b/packages/vant-cli/src/config/webpack.site.dev.ts
@@ -4,6 +4,7 @@ import HtmlWebpackPlugin from 'html-webpack-plugin';
 import { get } from 'lodash';
 import { join } from 'path';
 import { baseConfig } from './webpack.base';
+import { WebpackConfig } from '../common/types';
 import { getVantConfig, getWebpackConfig } from '../common';
 import { VantCliSitePlugin } from '../compiler/vant-cli-site-plugin';
 import {
@@ -12,7 +13,7 @@ import {
   SITE_DESKTOP_SHARED_FILE,
 } from '../common/constant';
 
-export function getSiteDevBaseConfig() {
+export function getSiteDevBaseConfig(): WebpackConfig {
   const vantConfig = getVantConfig();
   const baiduAnalytics = get(vantConfig, 'site.baiduAnalytics');
 
@@ -101,6 +102,6 @@ export function getSiteDevBaseConfig() {
   });
 }
 
-export function getSiteDevConfig() {
+export function getSiteDevConfig(): WebpackConfig {
   return merge(getSiteDevBaseConfig(), getWebpackConfig());
 }
diff --git a/packages/vant-cli/src/config/webpack.site.prd.ts b/packages/vant-cli/src/config/webpack.site.prd.ts
index b3039f646..56ddd21a2 100644
--- a/packages/vant-cli/src/config/webpack.site.prd.ts
+++ b/packages/vant-cli/src/config/webpack.site.prd.ts
@@ -1,5 +1,6 @@
 import merge from 'webpack-merge';
 import { get } from 'lodash';
+import { WebpackConfig } from '../common/types';
 import { getVantConfig, getWebpackConfig } from '../common';
 import { getSiteDevBaseConfig } from './webpack.site.dev';
 import { SITE_DIST_DIR } from '../common/constant';
@@ -8,7 +9,7 @@ const vantConfig = getVantConfig();
 const outputDir = get(vantConfig, 'build.site.outputDir', SITE_DIST_DIR);
 const publicPath = get(vantConfig, 'build.site.publicPath', '/');
 
-export function getSitePrdConfig() {
+export function getSitePrdConfig(): WebpackConfig {
   return merge(
     getSiteDevBaseConfig(),
     {