diff --git a/docs/site/mobile.js b/docs/site/mobile.js
index 4b745f262..154453851 100644
--- a/docs/site/mobile.js
+++ b/docs/site/mobile.js
@@ -8,7 +8,7 @@ Vue.mixin({
   computed: {
     $t() {
       const { name } = this.$options;
-      const { lang } = this.$route.meta || {};
+      const { lang = 'zh-CN' } = (this.$route && this.$route.meta) || {};
       const prefix = name ? camelize(name) + '.' : '';
       const messages = this.$vantMessages[lang];
 
@@ -22,7 +22,7 @@ Vue.mixin({
   beforeCreate() {
     const { i18n, name } = this.$options;
 
-    if (i18n) {
+    if (i18n && name) {
       const locales = {};
       const camelizedName = camelize(name);
 
diff --git a/packages/vant-cli/src/commands/jest.ts b/packages/vant-cli/src/commands/jest.ts
index 3924ebc61..30d3da468 100644
--- a/packages/vant-cli/src/commands/jest.ts
+++ b/packages/vant-cli/src/commands/jest.ts
@@ -1,10 +1,15 @@
 import { runCLI } from 'jest';
 import { setNodeEnv } from '../common';
-import { CWD, JEST_CONFIG_FILE } from '../common/constant';
+import { genPackageEntry } from '../compiler/gen-package-entry';
+import { CWD, JEST_CONFIG_FILE, PACKAGE_ENTRY_FILE } from '../common/constant';
 
 export function test(command: any) {
   setNodeEnv('test');
 
+  genPackageEntry({
+    outputPath: PACKAGE_ENTRY_FILE
+  });
+
   const config = {
     rootDir: CWD,
     watch: command.watch,
diff --git a/packages/vant-cli/src/common/constant.ts b/packages/vant-cli/src/common/constant.ts
index a674dc985..97c384b2f 100644
--- a/packages/vant-cli/src/common/constant.ts
+++ b/packages/vant-cli/src/common/constant.ts
@@ -22,6 +22,7 @@ export const STYPE_DEPS_JSON_FILE = join(DIST_DIR, 'style-deps.json');
 export const JEST_CONFIG_FILE = join(CONFIG_DIR, 'jest.config.js');
 export const BABEL_CONFIG_FILE = join(CONFIG_DIR, 'babel.config.js');
 export const POSTCSS_CONFIG_FILE = join(CONFIG_DIR, 'postcss.config.js');
+export const JEST_INIT_FILE = join(CONFIG_DIR, 'jest.init.js');
 export const JEST_TRANSFORM_FILE = join(CONFIG_DIR, 'jest.transform.js');
 export const JEST_FILE_MOCK_FILE = join(CONFIG_DIR, 'jest.file-mock.js');
 export const JEST_STYLE_MOCK_FILE = join(CONFIG_DIR, 'jest.style-mock.js');
diff --git a/packages/vant-cli/src/config/jest.config.ts b/packages/vant-cli/src/config/jest.config.ts
index 8c7e072e2..3acc2cdc1 100644
--- a/packages/vant-cli/src/config/jest.config.ts
+++ b/packages/vant-cli/src/config/jest.config.ts
@@ -1,4 +1,5 @@
 import {
+  JEST_INIT_FILE,
   JEST_FILE_MOCK_FILE,
   JEST_STYLE_MOCK_FILE
 } from '../common/constant';
@@ -8,6 +9,7 @@ module.exports = {
     '\\.(css|less|scss)$': JEST_STYLE_MOCK_FILE,
     '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$': JEST_FILE_MOCK_FILE
   },
+  setupFiles: [JEST_INIT_FILE],
   moduleFileExtensions: ['js', 'jsx', 'vue', 'ts', 'tsx'],
   transform: {
     '\\.(vue)$': 'vue-jest',
@@ -18,9 +20,7 @@ module.exports = {
   collectCoverageFrom: [
     'src/**/*.{js,jsx,ts,tsx,vue}',
     '!**/style/**',
-    '!**/demo/**',
-    '!**/locale/lang/**',
-    '!**/sku/**'
+    '!**/demo/**'
   ],
   collectCoverage: true,
   coverageReporters: ['html', 'lcov', 'text-summary'],
diff --git a/packages/vant-cli/src/config/jest.init.ts b/packages/vant-cli/src/config/jest.init.ts
new file mode 100644
index 000000000..a11b37b59
--- /dev/null
+++ b/packages/vant-cli/src/config/jest.init.ts
@@ -0,0 +1,5 @@
+import Vue from 'vue';
+// @ts-ignore
+import Package from '../../dist/package-entry';
+
+Vue.use(Package);
diff --git a/test/demo.ts b/test/demo.ts
index 0ef71b2e6..ebcdb5b05 100644
--- a/test/demo.ts
+++ b/test/demo.ts
@@ -1,5 +1,5 @@
 import Vue, { CreateElement } from 'vue';
-import '../docs/site/mobile/demo-common';
+import '../docs/site/mobile';
 import Locale from '../src/locale';
 import { mount, later } from '.';