diff --git a/build/build-lib.js b/build/build-lib.js
deleted file mode 100644
index 3ab53d9fa..000000000
--- a/build/build-lib.js
+++ /dev/null
@@ -1,34 +0,0 @@
-/**
- * Build npm lib
- */
-const shell = require('shelljs');
-const signale = require('signale');
-
-const { Signale } = signale;
-const tasks = [
-  'npm run bootstrap',
-  'npm run lint',
-  'npm run build:entry',
-  'node build/build-components.js',
-  'node build/build-style.js',
-  'node build/build-style-entry.js',
-  'cross-env NODE_ENV=production webpack --color --config build/webpack.pkg.js',
-  'cross-env NODE_ENV=production webpack -p --color --config build/webpack.pkg.js'
-];
-
-tasks.every(task => {
-  signale.start(task);
-
-  const interactive = new Signale({ interactive: true });
-  interactive.pending(task);
-
-  const result = shell.exec(`${task} --silent`);
-
-  if (result.code !== 0) {
-    interactive.error(task);
-    return false;
-  }
-
-  interactive.success(task);
-  return true;
-});
diff --git a/build/build-style.js b/build/build-style.js
deleted file mode 100644
index fa5d18073..000000000
--- a/build/build-style.js
+++ /dev/null
@@ -1,66 +0,0 @@
-const fs = require('fs-extra');
-const glob = require('fast-glob');
-const path = require('path');
-const less = require('less');
-const csso = require('csso');
-const postcss = require('postcss');
-const postcssrc = require('postcss-load-config');
-
-async function compileLess(lessCodes, paths) {
-  const outputs = await Promise.all(
-    lessCodes.map((source, index) =>
-      less.render(source, {
-        paths: [path.resolve(__dirname, 'node_modules')],
-        filename: paths[index]
-      })
-    )
-  );
-  return outputs.map(item => item.css);
-}
-
-async function compilePostcss(cssCodes, paths) {
-  const postcssConfig = await postcssrc();
-  const outputs = await Promise.all(
-    cssCodes.map((css, index) =>
-      postcss(postcssConfig.plugins).process(css, { from: paths[index] })
-    )
-  );
-
-  return outputs.map(item => item.css);
-}
-
-async function compileCsso(cssCodes) {
-  return cssCodes.map(css => csso.minify(css).css);
-}
-
-async function dest(output, paths) {
-  await Promise.all(
-    output.map((css, index) => fs.writeFile(paths[index].replace('.less', '.css'), css))
-  );
-
-  // icon.less should be replaced by compiled file
-  const iconCss = await glob(['./es/icon/*.css', './lib/icon/*.css'], { absolute: true });
-  iconCss.forEach(file => {
-    fs.copyFileSync(file, file.replace('.css', '.less'));
-  });
-}
-
-// compile component css
-async function compile() {
-  let codes;
-  try {
-    const paths = await glob(['./es/**/*.less', './lib/**/*.less'], { absolute: true });
-
-    codes = await Promise.all(paths.map(path => fs.readFile(path, 'utf-8')));
-    codes = await compileLess(codes, paths);
-    codes = await compilePostcss(codes, paths);
-    codes = await compileCsso(codes);
-
-    await dest(codes, paths);
-  } catch (err) {
-    console.log(err);
-    process.exit(1);
-  }
-}
-
-compile();
diff --git a/build/release.sh b/build/release.sh
deleted file mode 100644
index c057beafa..000000000
--- a/build/release.sh
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/usr/bin/env sh
-set -e
-echo "Enter release version: "
-read VERSION
-
-read -p "Releasing $VERSION - are you sure? (y/n)" -n 1 -r
-echo    # (optional) move to a new line
-if [[ $REPLY =~ ^[Yy]$ ]]
-then
-  # build
-  npm version $VERSION --no-git-tag-version
-  VERSION=$VERSION npm run build:lib
-
-  # commit
-  git tag v$VERSION
-  git commit -am "build: release $VERSION"
-
-  # publish
-  git push origin dev
-  git push origin refs/tags/v$VERSION
-
-  if [[ $VERSION =~ [beta] ]]
-  then
-    npm publish --tag beta
-  else 
-    npm publish
-  fi
-fi
diff --git a/build/webpack.pkg.js b/build/webpack.pkg.js
deleted file mode 100644
index 8155c53b1..000000000
--- a/build/webpack.pkg.js
+++ /dev/null
@@ -1,33 +0,0 @@
-const path = require('path');
-const merge = require('webpack-merge');
-const config = require('./webpack.base');
-
-const isMinify = process.argv.indexOf('-p') !== -1;
-
-module.exports = merge(config, {
-  mode: 'production',
-  entry: {
-    vant: './es/index.js'
-  },
-  output: {
-    path: path.join(__dirname, '../lib'),
-    library: 'vant',
-    libraryTarget: 'umd',
-    filename: isMinify ? '[name].min.js' : '[name].js',
-    umdNamedDefine: true,
-    // https://github.com/webpack/webpack/issues/6522
-    globalObject: 'typeof self !== \'undefined\' ? self : this'
-  },
-  externals: {
-    vue: {
-      root: 'Vue',
-      commonjs: 'vue',
-      commonjs2: 'vue',
-      amd: 'vue'
-    }
-  },
-  performance: false,
-  optimization: {
-    minimize: isMinify
-  }
-});
diff --git a/package.json b/package.json
index 3c6882780..60bdc174b 100644
--- a/package.json
+++ b/package.json
@@ -18,11 +18,10 @@
     "lint": "vant-cli lint",
     "build:entry": "node build/build-entry.js",
     "build:changelog": "vant-cli changelog ./docs/markdown/changelog.generated.md --tag v2.2.0",
-    "build:lib": "node build/build-lib.js",
     "test": "vant-cli test",
     "test:watch": "vant-cli test --watch",
     "test:coverage": "open test/coverage/index.html",
-    "release": "sh build/release.sh",
+    "release": "vant-cli release",
     "release:site": "sh build/release-site.sh"
   },
   "husky": {
diff --git a/postcss.config.js b/postcss.config.js
deleted file mode 100644
index 5bfb8f628..000000000
--- a/postcss.config.js
+++ /dev/null
@@ -1,5 +0,0 @@
-module.exports = {
-  plugins: {
-    autoprefixer: {}
-  }
-};