diff --git a/package.json b/package.json
index 9ab1a0445..2466ad64c 100644
--- a/package.json
+++ b/package.json
@@ -58,9 +58,9 @@
   "license": "MIT",
   "dependencies": {
     "@babel/runtime": "7.x",
-    "@popperjs/core": "^2.5.4",
     "@vant/icons": "1.4.0",
     "@vant/use": "^0.1.0",
+    "@vant/popperjs": "^1.0.0",
     "vue-lazyload": "1.2.3"
   },
   "peerDependencies": {
diff --git a/packages/vant-popperjs/babel.config.js b/packages/vant-popperjs/babel.config.js
new file mode 100644
index 000000000..fa5ee221e
--- /dev/null
+++ b/packages/vant-popperjs/babel.config.js
@@ -0,0 +1,3 @@
+module.exports = {
+  presets: ['@vant/cli/preset'],
+};
diff --git a/packages/vant-popperjs/package.json b/packages/vant-popperjs/package.json
new file mode 100644
index 000000000..5731c7d3c
--- /dev/null
+++ b/packages/vant-popperjs/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "@vant/popperjs",
+  "version": "1.0.0",
+  "description": "Precompiled popperjs core",
+  "main": "lib/index.js",
+  "types": "lib/index.d.ts",
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org/"
+  },
+  "scripts": {
+    "dev": "rollup --config rollup.config.js --watch",
+    "build": "rollup --config rollup.config.js && tsc -p ./tsconfig.json --emitDeclarationOnly"
+  },
+  "license": "MIT",
+  "repository": "https://github.com/youzan/vant/tree/dev/packages/vant-popperjs",
+  "dependencies": {
+    "@popperjs/core": "^2.5.4"
+  },
+  "devDependencies": {
+    "@babel/runtime": "7.x",
+    "@rollup/plugin-babel": "^5.2.1",
+    "@rollup/plugin-node-resolve": "^10.0.0",
+    "rollup": "^2.33.3"
+  },
+  "browserslist": [
+    "Android >= 4.0",
+    "iOS >= 8"
+  ]
+}
diff --git a/packages/vant-popperjs/rollup.config.js b/packages/vant-popperjs/rollup.config.js
new file mode 100644
index 000000000..a2bf18ab5
--- /dev/null
+++ b/packages/vant-popperjs/rollup.config.js
@@ -0,0 +1,12 @@
+import path from 'path';
+import babel from '@rollup/plugin-babel';
+import nodeResolve from '@rollup/plugin-node-resolve';
+
+export default {
+  input: path.join(__dirname, 'src', 'index.ts'),
+  output: {
+    dir: 'lib',
+    format: 'cjs',
+  },
+  plugins: [nodeResolve(), babel({ babelHelpers: 'runtime' })],
+};
diff --git a/packages/vant-popperjs/src/index.ts b/packages/vant-popperjs/src/index.ts
new file mode 100644
index 000000000..bc3f0ded6
--- /dev/null
+++ b/packages/vant-popperjs/src/index.ts
@@ -0,0 +1,4 @@
+import { createPopper } from '@popperjs/core/lib/popper-lite';
+import offsetModifier from '@popperjs/core/lib/modifiers/offset';
+
+export { createPopper, offsetModifier };
diff --git a/packages/vant-popperjs/tsconfig.json b/packages/vant-popperjs/tsconfig.json
new file mode 100644
index 000000000..4f8094c6f
--- /dev/null
+++ b/packages/vant-popperjs/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "outDir": "./lib",
+    "module": "ES2015",
+    "strict": true,
+    "declaration": true,
+    "esModuleInterop": true,
+    "moduleResolution": "node",
+    "lib": ["esnext", "dom"]
+  },
+  "include": ["src/**/*"]
+}
diff --git a/packages/vant-popperjs/yarn.lock b/packages/vant-popperjs/yarn.lock
new file mode 100644
index 000000000..f5c97ec0e
--- /dev/null
+++ b/packages/vant-popperjs/yarn.lock
@@ -0,0 +1,166 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@babel/helper-module-imports@^7.10.4":
+  version "7.12.5"
+  resolved "https://registry.npm.taobao.org/@babel/helper-module-imports/download/@babel/helper-module-imports-7.12.5.tgz?cache=0&sync_timestamp=1604441102741&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40babel%2Fhelper-module-imports%2Fdownload%2F%40babel%2Fhelper-module-imports-7.12.5.tgz#1bfc0229f794988f76ed0a4d4e90860850b54dfb"
+  integrity sha1-G/wCKfeUmI927QpNTpCGCFC1Tfs=
+  dependencies:
+    "@babel/types" "^7.12.5"
+
+"@babel/helper-validator-identifier@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.npm.taobao.org/@babel/helper-validator-identifier/download/@babel/helper-validator-identifier-7.10.4.tgz#a78c7a7251e01f616512d31b10adcf52ada5e0d2"
+  integrity sha1-p4x6clHgH2FlEtMbEK3PUq2l4NI=
+
+"@babel/runtime@7.x":
+  version "7.12.5"
+  resolved "https://registry.npm.taobao.org/@babel/runtime/download/@babel/runtime-7.12.5.tgz?cache=0&sync_timestamp=1604443606981&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40babel%2Fruntime%2Fdownload%2F%40babel%2Fruntime-7.12.5.tgz#410e7e487441e1b360c29be715d870d9b985882e"
+  integrity sha1-QQ5+SHRB4bNgwpvnFdhw2bmFiC4=
+  dependencies:
+    regenerator-runtime "^0.13.4"
+
+"@babel/types@^7.12.5":
+  version "7.12.7"
+  resolved "https://registry.npm.taobao.org/@babel/types/download/@babel/types-7.12.7.tgz?cache=0&sync_timestamp=1605904888635&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40babel%2Ftypes%2Fdownload%2F%40babel%2Ftypes-7.12.7.tgz#6039ff1e242640a29452c9ae572162ec9a8f5d13"
+  integrity sha1-YDn/HiQmQKKUUsmuVyFi7JqPXRM=
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.10.4"
+    lodash "^4.17.19"
+    to-fast-properties "^2.0.0"
+
+"@popperjs/core@^2.5.4":
+  version "2.5.4"
+  resolved "https://registry.npm.taobao.org/@popperjs/core/download/@popperjs/core-2.5.4.tgz?cache=0&sync_timestamp=1604076368519&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40popperjs%2Fcore%2Fdownload%2F%40popperjs%2Fcore-2.5.4.tgz#de25b5da9f727985a3757fd59b5d028aba75841a"
+  integrity sha1-3iW12p9yeYWjdX/Vm10Cirp1hBo=
+
+"@rollup/plugin-babel@^5.2.1":
+  version "5.2.1"
+  resolved "https://registry.npm.taobao.org/@rollup/plugin-babel/download/@rollup/plugin-babel-5.2.1.tgz#20fc8f8864dc0eaa1c5578408459606808f72924"
+  integrity sha1-IPyPiGTcDqocVXhAhFlgaAj3KSQ=
+  dependencies:
+    "@babel/helper-module-imports" "^7.10.4"
+    "@rollup/pluginutils" "^3.1.0"
+
+"@rollup/plugin-node-resolve@^10.0.0":
+  version "10.0.0"
+  resolved "https://registry.npm.taobao.org/@rollup/plugin-node-resolve/download/@rollup/plugin-node-resolve-10.0.0.tgz?cache=0&sync_timestamp=1603768362523&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40rollup%2Fplugin-node-resolve%2Fdownload%2F%40rollup%2Fplugin-node-resolve-10.0.0.tgz#44064a2b98df7530e66acf8941ff262fc9b4ead8"
+  integrity sha1-RAZKK5jfdTDmas+JQf8mL8m06tg=
+  dependencies:
+    "@rollup/pluginutils" "^3.1.0"
+    "@types/resolve" "1.17.1"
+    builtin-modules "^3.1.0"
+    deepmerge "^4.2.2"
+    is-module "^1.0.0"
+    resolve "^1.17.0"
+
+"@rollup/pluginutils@^3.1.0":
+  version "3.1.0"
+  resolved "https://registry.npm.taobao.org/@rollup/pluginutils/download/@rollup/pluginutils-3.1.0.tgz#706b4524ee6dc8b103b3c995533e5ad680c02b9b"
+  integrity sha1-cGtFJO5tyLEDs8mVUz5a1oDAK5s=
+  dependencies:
+    "@types/estree" "0.0.39"
+    estree-walker "^1.0.1"
+    picomatch "^2.2.2"
+
+"@types/estree@0.0.39":
+  version "0.0.39"
+  resolved "https://registry.npm.taobao.org/@types/estree/download/@types/estree-0.0.39.tgz?cache=0&sync_timestamp=1605053132167&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40types%2Festree%2Fdownload%2F%40types%2Festree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
+  integrity sha1-4Xfmme4bjCLSMXTKqnQiZEOJUJ8=
+
+"@types/node@*":
+  version "14.14.10"
+  resolved "https://registry.npm.taobao.org/@types/node/download/@types/node-14.14.10.tgz#5958a82e41863cfc71f2307b3748e3491ba03785"
+  integrity sha1-WVioLkGGPPxx8jB7N0jjSRugN4U=
+
+"@types/resolve@1.17.1":
+  version "1.17.1"
+  resolved "https://registry.npm.taobao.org/@types/resolve/download/@types/resolve-1.17.1.tgz#3afd6ad8967c77e4376c598a82ddd58f46ec45d6"
+  integrity sha1-Ov1q2JZ8d+Q3bFmKgt3Vj0bsRdY=
+  dependencies:
+    "@types/node" "*"
+
+builtin-modules@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.npm.taobao.org/builtin-modules/download/builtin-modules-3.1.0.tgz#aad97c15131eb76b65b50ef208e7584cd76a7484"
+  integrity sha1-qtl8FRMet2tltQ7yCOdYTNdqdIQ=
+
+deepmerge@^4.2.2:
+  version "4.2.2"
+  resolved "https://registry.npm.taobao.org/deepmerge/download/deepmerge-4.2.2.tgz#44d2ea3679b8f4d4ffba33f03d865fc1e7bf4955"
+  integrity sha1-RNLqNnm49NT/ujPwPYZfwee/SVU=
+
+estree-walker@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.npm.taobao.org/estree-walker/download/estree-walker-1.0.1.tgz#31bc5d612c96b704106b477e6dd5d8aa138cb700"
+  integrity sha1-MbxdYSyWtwQQa0d+bdXYqhOMtwA=
+
+fsevents@~2.1.2:
+  version "2.1.3"
+  resolved "https://registry.npm.taobao.org/fsevents/download/fsevents-2.1.3.tgz?cache=0&sync_timestamp=1604593304255&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ffsevents%2Fdownload%2Ffsevents-2.1.3.tgz#fb738703ae8d2f9fe900c33836ddebee8b97f23e"
+  integrity sha1-+3OHA66NL5/pAMM4Nt3r7ouX8j4=
+
+function-bind@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.npm.taobao.org/function-bind/download/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+  integrity sha1-pWiZ0+o8m6uHS7l3O3xe3pL0iV0=
+
+has@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.npm.taobao.org/has/download/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
+  integrity sha1-ci18v8H2qoJB8W3YFOAR4fQeh5Y=
+  dependencies:
+    function-bind "^1.1.1"
+
+is-core-module@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.npm.taobao.org/is-core-module/download/is-core-module-2.1.0.tgz?cache=0&sync_timestamp=1604519172113&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fis-core-module%2Fdownload%2Fis-core-module-2.1.0.tgz#a4cc031d9b1aca63eecbd18a650e13cb4eeab946"
+  integrity sha1-pMwDHZsaymPuy9GKZQ4Ty07quUY=
+  dependencies:
+    has "^1.0.3"
+
+is-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.npm.taobao.org/is-module/download/is-module-1.0.0.tgz#3258fb69f78c14d5b815d664336b4cffb6441591"
+  integrity sha1-Mlj7afeMFNW4FdZkM2tM/7ZEFZE=
+
+lodash@^4.17.19:
+  version "4.17.20"
+  resolved "https://registry.npm.taobao.org/lodash/download/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha1-tEqbYpe8tpjxxRo1RaKzs2jVnFI=
+
+path-parse@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.npm.taobao.org/path-parse/download/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+  integrity sha1-1i27VnlAXXLEc37FhgDp3c8G0kw=
+
+picomatch@^2.2.2:
+  version "2.2.2"
+  resolved "https://registry.npm.taobao.org/picomatch/download/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
+  integrity sha1-IfMz6ba46v8CRo9RRupAbTRfTa0=
+
+regenerator-runtime@^0.13.4:
+  version "0.13.7"
+  resolved "https://registry.npm.taobao.org/regenerator-runtime/download/regenerator-runtime-0.13.7.tgz#cac2dacc8a1ea675feaabaeb8ae833898ae46f55"
+  integrity sha1-ysLazIoepnX+qrrriugziYrkb1U=
+
+resolve@^1.17.0:
+  version "1.19.0"
+  resolved "https://registry.npm.taobao.org/resolve/download/resolve-1.19.0.tgz#1af5bf630409734a067cae29318aac7fa29a267c"
+  integrity sha1-GvW/YwQJc0oGfK4pMYqsf6KaJnw=
+  dependencies:
+    is-core-module "^2.1.0"
+    path-parse "^1.0.6"
+
+rollup@^2.33.3:
+  version "2.33.3"
+  resolved "https://registry.npm.taobao.org/rollup/download/rollup-2.33.3.tgz?cache=0&sync_timestamp=1605677163089&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Frollup%2Fdownload%2Frollup-2.33.3.tgz#ae72ce31f992b09a580072951bfea76e9df17342"
+  integrity sha1-rnLOMfmSsJpYAHKVG/6nbp3xc0I=
+  optionalDependencies:
+    fsevents "~2.1.2"
+
+to-fast-properties@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.npm.taobao.org/to-fast-properties/download/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
+  integrity sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=
diff --git a/src/button/index.less b/src/button/index.less
index 66c31a6a6..3a077c40a 100644
--- a/src/button/index.less
+++ b/src/button/index.less
@@ -151,6 +151,12 @@
     align-items: center;
     justify-content: center;
     height: 100%;
+
+    // fix icon vertical align
+    // see: https://github.com/youzan/vant/issues/7617
+    &::before {
+      content: ' ';
+    }
   }
 
   &__icon {
diff --git a/src/popover/index.js b/src/popover/index.js
index 82de6ea0b..c33fb53af 100644
--- a/src/popover/index.js
+++ b/src/popover/index.js
@@ -1,7 +1,5 @@
 import { ref, watch, nextTick, onMounted, onBeforeUnmount } from 'vue';
-import { createPopper } from '@popperjs/core/lib/popper-lite';
-import offsetModifier from '@popperjs/core/lib/modifiers/offset';
-import extendsHelper from '@babel/runtime/helpers/esm/extends';
+import { createPopper, offsetModifier } from '@vant/popperjs';
 
 // Utils
 import { createNamespace } from '../utils';
@@ -14,13 +12,6 @@ import { useClickAway } from '@vant/use';
 import Icon from '../icon';
 import Popup from '../popup';
 
-// add Object.assign polyfill for popper.js
-// see: https://popper.js.org/docs/v2/browser-support/
-/* istanbul ignore if */
-if (!Object.assign) {
-  Object.assign = extendsHelper;
-}
-
 const [createComponent, bem] = createNamespace('popover');
 
 export default createComponent({
diff --git a/src/share-sheet/README.md b/src/share-sheet/README.md
index 5d802972e..19a0d7c34 100644
--- a/src/share-sheet/README.md
+++ b/src/share-sheet/README.md
@@ -70,6 +70,7 @@ export default {
           { name: 'Link', icon: 'link' },
           { name: 'Poster', icon: 'poster' },
           { name: 'Qrcode', icon: 'qrcode' },
+          { name: 'Weapp Qrcode', icon: 'weapp-qrcode' },
         ],
       ],
     };
@@ -131,7 +132,7 @@ export default {
 | --- | --- | --- |
 | name | Option name | _string_ |
 | description `v2.8.5` | Option description | _string_ |
-| icon | Option icon，can be set to `wechat` `weibo` `qq` `link` `qrcode` `poster` or image URL | _string_ |
+| icon | Option icon，can be set to `wechat` `weibo` `qq` `link` `qrcode` `poster` `weapp-qrcode` or image URL | _string_ |
 | className | Option className is used to set the class props to the share item | _string_ |
 
 ### Events
diff --git a/src/share-sheet/README.zh-CN.md b/src/share-sheet/README.zh-CN.md
index 9b7c2d66d..6536322e0 100644
--- a/src/share-sheet/README.zh-CN.md
+++ b/src/share-sheet/README.zh-CN.md
@@ -82,6 +82,7 @@ export default {
           { name: '复制链接', icon: 'link' },
           { name: '分享海报', icon: 'poster' },
           { name: '二维码', icon: 'qrcode' },
+          { name: '小程序码', icon: 'weapp-qrcode' },
         ],
       ],
     };
@@ -179,7 +180,7 @@ export default {
 | --- | --- | --- |
 | name | 分享渠道名称 | _string_ |
 | description `v2.8.5` | 分享选项描述 | _string_ |
-| icon | 图标，可选值为 `wechat` `weibo` `qq` `link` `qrcode` `poster`，支持传入图片 URL | _string_ |
+| icon | 图标，可选值为 `wechat` `weibo` `qq` `link` `qrcode` `poster` `weapp-qrcode`，支持传入图片 URL | _string_ |
 | className | 分享选项类名 | _string_ |
 
 ### Events
diff --git a/src/share-sheet/demo/index.vue b/src/share-sheet/demo/index.vue
index 5702b806d..2dde9fef8 100644
--- a/src/share-sheet/demo/index.vue
+++ b/src/share-sheet/demo/index.vue
@@ -57,6 +57,7 @@ export default {
       withDesc: '展示描述信息',
       customIcon: '自定义图标',
       description: '描述信息',
+      weappQrcode: '小程序码',
     },
     'en-US': {
       qq: 'QQ',
@@ -72,6 +73,7 @@ export default {
       withDesc: 'Show Description',
       customIcon: 'Custom Icon',
       description: 'Description',
+      weappQrcode: 'Weapp Qrcode',
     },
   },
 
@@ -108,6 +110,7 @@ export default {
           { name: this.t('link'), icon: 'link' },
           { name: this.t('poster'), icon: 'poster' },
           { name: this.t('qrcode'), icon: 'qrcode' },
+          { name: this.t('weappQrcode'), icon: 'weapp-qrcode' },
         ],
       ];
     },
diff --git a/src/share-sheet/index.js b/src/share-sheet/index.js
index 673c9ef5b..329a53b33 100644
--- a/src/share-sheet/index.js
+++ b/src/share-sheet/index.js
@@ -4,7 +4,15 @@ import { createNamespace, pick } from '../utils';
 // Components
 import Popup, { popupSharedProps } from '../popup';
 
-const PRESET_ICONS = ['qq', 'weibo', 'wechat', 'link', 'qrcode', 'poster'];
+const PRESET_ICONS = [
+  'qq',
+  'link',
+  'weibo',
+  'wechat',
+  'poster',
+  'qrcode',
+  'weapp-qrcode',
+];
 
 function getIconURL(icon) {
   if (PRESET_ICONS.indexOf(icon) !== -1) {
diff --git a/yarn.lock b/yarn.lock
index 4835ef360..3a728ef1e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1821,6 +1821,13 @@
     fast-glob "^3.2.2"
     fs-extra "^9.0.0"
 
+"@vant/popperjs@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.npmjs.org/@vant/popperjs/-/popperjs-1.0.0.tgz#2d66ab4b8e275c98fb82f5efd43fdd47964d11f2"
+  integrity sha512-2OAl3URmH37OOATcKuT8iuZozoZVNMc8iLLZvurWZqHlWlAojsDHm7lQ2OKlAV4jlxbiFJt0en6DY+WlxHvN9w==
+  dependencies:
+    "@popperjs/core" "^2.5.4"
+
 "@vant/stylelint-config@^1.4.0":
   version "1.4.1"
   resolved "https://registry.npm.taobao.org/@vant/stylelint-config/download/@vant/stylelint-config-1.4.1.tgz#f96d21e09de884e4d9fee71712aacb35228a066f"