diff --git a/global/i18n_standard/intljs/Test.json b/global/i18n_standard/intljs/Test.json
index e85aad0126be8274e1595d8c923353fd83b311a7..33b3ee1023227ebeb42d12d8a5ccc058181ba492 100755
--- a/global/i18n_standard/intljs/Test.json
+++ b/global/i18n_standard/intljs/Test.json
@@ -13,6 +13,18 @@
             ],
             "type": "AppInstallKit",
             "cleanup-apps": true
+        },
+        {
+            "type": "PushKit",
+            "push": [
+                "resource/global/white_languages.xml->/system/usr/ohos_locale_config/white_languages.xml"
+            ]
+        },
+        {
+            "type": "ShellKit",
+            "run-command": [
+                "chmod 644 /system/usr/ohos_locale_config/white_languages.xml"
+            ]
         }
     ]
 }
diff --git a/global/i18n_standard/intljs/src/main/js/default/test/I18n.test.js b/global/i18n_standard/intljs/src/main/js/default/test/I18n.test.js
new file mode 100755
index 0000000000000000000000000000000000000000..dce6686d5f7ea52e36b01cc194f98b7296ffc1c5
--- /dev/null
+++ b/global/i18n_standard/intljs/src/main/js/default/test/I18n.test.js
@@ -0,0 +1,683 @@
+/*
+ * Copyright (C) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import I18n from '@ohos.i18n'
+import {describe, beforeAll, beforeEach, afterEach, afterAll, it, expect} from 'deccjsunit/index'
+
+describe('I18nTest', function () {
+    console.log('*************start I18NTest*************');
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_0100
+    * @tc.name getSystemLanguage
+    * @tc.desc check the getSystemLanguage
+    */
+    it('i18n_test_0100', 0, function () {
+        let lang = I18n.getSystemLanguage();
+        console.log('i18n_test_0100 ' + lang);
+        expect(lang).assertInstanceOf('String');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_0200
+    * @tc.name getSystemRegion
+    * @tc.desc check the getSystemRegion
+    */
+    it('i18n_test_0200', 0, function () {
+        let region = I18n.getSystemRegion();
+        console.log('i18n_test_0200 ' + region);
+        expect(region).assertInstanceOf('String');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_0300
+    * @tc.name getSystemLocale
+    * @tc.desc check the getSystemLocale
+    */
+    it('i18n_test_0300', 0, function () {
+        let locale = I18n.getSystemLocale();
+        console.log('i18n_test_0300 ' + locale);
+        expect(locale).assertInstanceOf('String');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_0400
+    * @tc.name setSystemLanguage with en param
+    * @tc.desc check the language
+    */
+    it('i18n_test_0400', 0, function () {
+        let value = I18n.setSystemLanguage('en');
+        console.log('i18n_test_0400 ' + value);
+        expect(value).assertTrue();
+        let lang = I18n.getSystemLanguage();
+        console.log('i18n_test_0400 ' + lang);
+        expect(lang).assertEqual('en');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_0500
+    * @tc.name setSystemLanguage with ko-KR param
+    * @tc.desc check the language
+    */
+    it('i18n_test_0500', 0, function () {
+        let value = I18n.setSystemLanguage('ko-KR');
+        console.log('i18n_test_0500 ' + value);
+        expect(value).assertTrue();
+        let lang = I18n.getSystemLanguage();
+        console.log('i18n_test_0500 ' + lang);
+        expect(lang).assertEqual('ko-KR');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_0600
+    * @tc.name setSystemLanguage with it-Ital-IT param
+    * @tc.desc check the language
+    */
+    it('i18n_test_0600', 0, function () {
+        let value = I18n.setSystemLanguage('it-Ital-IT');
+        console.log('i18n_test_0600 ' + value);
+        expect(value).assertTrue();
+        let lang = I18n.getSystemLanguage();
+        console.log('i18n_test_0600 ' + lang);
+        expect(lang).assertEqual('it-Ital-IT');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_0700
+    * @tc.name setSystemLanguage with null param
+    * @tc.desc check the language
+    */
+    it('i18n_test_0700', 0, function () {
+        let value = I18n.setSystemLanguage('');
+        console.log('i18n_test_0700 ' + value);
+        expect(value).assertFalse();
+        let lang = I18n.getSystemLanguage();
+        console.log('i18n_test_0700 ' + lang);
+        expect(lang).assertEqual('it-Ital-IT');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_0800
+    * @tc.name setSystemLanguage with not exist param aa
+    * @tc.desc check the language
+    */
+    it('i18n_test_0800', 0, function () {
+        let value = I18n.setSystemLanguage('aa');
+        console.log('i18n_test_0800 ' + value);
+        expect(value).assertTrue();
+        let lang = I18n.getSystemLanguage();
+        console.log('i18n_test_0800 ' + lang);
+        expect(lang).assertEqual('aa');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_0900
+    * @tc.name setSystemLanguage with not exist param aabb
+    * @tc.desc check the language
+    */
+    it('i18n_test_0900', 0, function () {
+        let value = I18n.setSystemLanguage('aabb');
+        console.log('i18n_test_0900 ' + value);
+        expect(value).assertFalse();
+        let lang = I18n.getSystemLanguage();
+        console.log('i18n_test_0900 ' + lang);
+        expect(lang).assertEqual('aa');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1000
+    * @tc.name setSystemLanguage with es-aaaa param
+    * @tc.desc check the language
+    */
+    it('i18n_test_1000', 0, function () {
+        let value = I18n.setSystemLanguage('es-aaaa');
+        console.log('i18n_test_1000 ' + value);
+        expect(value).assertTrue();
+        let lang = I18n.getSystemLanguage();
+        console.log('i18n_test_1000 ' + lang);
+        expect(lang).assertEqual('es-aaaa');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1100
+    * @tc.name setSystemLanguage with it-Ital-AA param
+    * @tc.desc check the language
+    */
+    it('i18n_test_1100', 0, function () {
+        let value = I18n.setSystemLanguage('it-Ital-AA');
+        console.log('i18n_test_1100 ' + value);
+        expect(value).assertTrue();
+        let lang = I18n.getSystemLanguage();
+        console.log('i18n_test_1100 ' + lang);
+        expect(lang).assertEqual('it-Ital-AA');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1200
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_1200', 0, function () {
+        let value = I18n.setSystemRegion('US');
+        console.log('i18n_test_1200 ' + value);
+        expect(value).assertTrue();
+        let region = I18n.getSystemRegion();
+        console.log('i18n_test_1200 ' + region);
+        expect(region).assertEqual('US');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1300
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_1300', 0, function () {
+        let value = I18n.setSystemRegion('');
+        console.log('i18n_test_1300 ' + value);
+        expect(value).assertFalse();
+        let region = I18n.getSystemRegion();
+        console.log('i18n_test_1300 ' + region);
+        expect(region).assertEqual('US');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1400
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_1400', 0, function () {
+        let value = I18n.setSystemRegion('AA');
+        console.log('i18n_test_1400 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1500
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_1500', 0, function () {
+        let value = I18n.setSystemRegion('zh-CN');
+        console.log('i18n_test_1500 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1600
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_1600', 0, function () {
+        let value = I18n.setSystemLocale('en-Latn-US');
+        console.log('i18n_test_1600 ' + value);
+        expect(value).assertTrue();
+        let locale = I18n.getSystemLocale();
+        console.log('i18n_test_1600 ' + locale);
+        expect(locale).assertEqual('en-Latn-US');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1700
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_1700', 0, function () {
+        let value = I18n.setSystemLocale('');
+        console.log('i18n_test_1700 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1800
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_1800', 0, function () {
+        let value = I18n.setSystemLocale('aa');
+        console.log('i18n_test_1800 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_1900
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_1900', 0, function () {
+        let value = I18n.setSystemLocale('zh-AAAA');
+        console.log('i18n_test_1900 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2000
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2000', 0, function () {
+        let value = I18n.setSystemLocale('zh-Hans-AA');
+        console.log('i18n_test_2000 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2100
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2100', 0, function () {
+        let lang = I18n.getSystemLanguages();
+        let len = lang.length;
+        console.log('i18n_test_2100 ' + len);
+        expect(len).assertLarger(0);
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2200
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2200', 0, function () {
+        let count = I18n.getSystemCountries('en');
+        let len = count.length;
+        console.log('i18n_test_2200 ' + len);
+        expect(len).assertLarger(0);
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2220
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2220', 0, function () {
+        let count = I18n.getSystemCountries('zh-CN');
+        let len = count.length;
+        console.log('i18n_test_2220 ' + len);
+        expect(len).assertLarger(0);
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2240
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2240', 0, function () {
+        let count = I18n.getSystemCountries('zh-Hans-CN');
+        let len = count.length;
+        console.log('i18n_test_2240 ' + len);
+        expect(len).assertLarger(0);
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2260
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2260', 0, function () {
+        let count = I18n.getSystemCountries('');
+        let len = count.length;
+        console.log('i18n_test_2260 ' + len);
+        expect(len).assertLarger(0);
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2280
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2280', 0, function () {
+        let count = I18n.getSystemCountries('aaa');
+        let len = count.length;
+        console.log('i18n_test_2280 ' + len);
+        expect(len).assertLarger(0);
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2300
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2300', 0, function () {
+        let region = I18n.setSystemRegion('US');
+        console.log('i18n_test_2300 ' + region);
+        expect(region).assertTrue();
+        let value = I18n.isSuggested('en');
+        console.log('i18n_test_2300 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2400
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2400', 0, function () {
+        let region = I18n.setSystemRegion('CN');
+        console.log('i18n_test_2400 ' + region);
+        expect(region).assertTrue();
+        let value = I18n.isSuggested('zh-Hans');
+        console.log('i18n_test_2400 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2500
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2500', 0, function () {
+        let region = I18n.setSystemRegion('CN');
+        console.log('i18n_test_2500 ' + region);
+        expect(region).assertTrue();
+        let value = I18n.isSuggested('zh-Hans-CN');
+        console.log('i18n_test_2500 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2600
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2600', 0, function () {
+        let value = I18n.isSuggested('fr');
+        console.log('i18n_test_2600 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2700
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2700', 0, function () {
+        let value = I18n.isSuggested('fr-FR');
+        console.log('i18n_test_2700 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2800
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2800', 0, function () {
+        let value = I18n.isSuggested('az-Latn-AZ');
+        console.log('i18n_test_2800 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_2900
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_2900', 0, function () {
+        let value = I18n.isSuggested('en-ZH');
+        console.log('i18n_test_2900 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3000
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3000', 0, function () {
+        let value = I18n.isSuggested('aa');
+        console.log('i18n_test_3000 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3100
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3100', 0, function () {
+        let region = I18n.setSystemRegion('GB');
+        console.log('i18n_test_3100 ' + region);
+        expect(region).assertTrue();
+        let value = I18n.isSuggested('en', 'GB');
+        console.log('i18n_test_3100 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3150
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3150', 0, function () {
+        let region = I18n.setSystemRegion('GB');
+        console.log('i18n_test_3150 ' + region);
+        expect(region).assertTrue();
+        let value = I18n.isSuggested('en-SG', 'GB');
+        console.log('i18n_test_3150 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3200
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3200', 0, function () {
+        let value = I18n.isSuggested('en', 'ZH');
+        console.log('i18n_test_3200 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3300
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3300', 0, function () {
+        let value = I18n.isSuggested('en-GB', 'ZH');
+        console.log('i18n_test_3300 ' + value);
+        expect(value).assertFalse();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3400
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3400', 0, function () {
+        let value = I18n.isSuggested('en-ZH', 'GB');
+        console.log('i18n_test_3400 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3500
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3500', 0, function () {
+        let value = I18n.isSuggested('en-ZH', 'GB');
+        console.log('i18n_test_3500 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3600
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3600', 0, function () {
+        let value = I18n.isSuggested('zh-Hans-TW', 'CN');
+        console.log('i18n_test_3600 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3700
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3700', 0, function () {
+        let value = I18n.isSuggested('zh-Hans-CN', 'HK');
+        console.log('i18n_test_3700 ' + value);
+        expect(value).assertTrue();
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3800
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3800', 0, function () {
+        let value = I18n.getDisplayCountry('zh-Hans-CN', 'en-US', true);
+        console.log('i18n_test_3800 ' + value);
+        expect(value).assertEqual('China');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_3900
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_3900', 0, function () {
+        let value = I18n.getDisplayCountry('zh', 'en-US', true);
+        console.log('i18n_test_3900 ' + value);
+        expect(value).assertNull();
+        expect(value).assertEqual('China');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4000
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4000', 0, function () {
+        let value = I18n.getDisplayCountry('zh-CN', 'en-US', true);
+        console.log('i18n_test_4000 ' + value);
+        expect(value).assertEqual('China');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4100
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4100', 0, function () {
+        let value = I18n.getDisplayCountry('zh-Hans', 'en-US', true);
+        console.log('i18n_test_4100 ' + value);
+        expect(value).assertNull();
+        expect(value).assertEqual('China');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4200
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4200', 0, function () {
+        let value = I18n.getDisplayCountry('zh-Hans-CN', 'en-US', false);
+        console.log('i18n_test_4200 ' + value);
+        expect(value).assertEqual('China');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4300
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4300', 0, function () {
+        let value = I18n.getDisplayCountry('zh-Hans-CN', 'en-US');
+        console.log('i18n_test_4300 ' + value);
+        expect(value).assertEqual('China');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4400
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4400', 0, function () {
+        let value = I18n.getDisplayLanguage('zh-Hans-CN', 'en-US', true);
+        console.log('i18n_test_4400 ' + value);
+        expect(value).assertEqual('Chinese');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4500
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4500', 0, function () {
+        let value = I18n.getDisplayLanguage('zh-Hans-CN', 'en-US', true);
+        console.log('i18n_test_4500 ' + value);
+        expect(value).assertEqual('Chinese');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4600
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4600', 0, function () {
+        let value = I18n.getDisplayLanguage('zh', 'en-US', true);
+        console.log('i18n_test_4600 ' + value);
+        expect(value).assertEqual('Chinese');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4700
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4700', 0, function () {
+        let value = I18n.getDisplayLanguage('zh-CN', 'en-US', true);
+        console.log('i18n_test_4700 ' + value);
+        expect(value).assertEqual('Chinese');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4800
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4800', 0, function () {
+        let value = I18n.getDisplayLanguage('zh-Hans', 'en-US', true);
+        console.log('i18n_test_4800 ' + value);
+        expect(value).assertEqual('Chinese');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_4900
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_4900', 0, function () {
+        let value = I18n.getDisplayLanguage('zh-Hans-CN', 'en-US', false);
+        console.log('i18n_test_4900 ' + value);
+        expect(value).assertEqual('Chinese');
+    })
+
+    /* *
+    * @tc.number SUB_GLOBAL_I18N_JS_5000
+    * @tc.name format the language in locale
+    * @tc.desc check the language
+    */
+    it('i18n_test_5000', 0, function () {
+        let value = I18n.getDisplayLanguage('zh-Hans-CN', 'en-US');
+        console.log('i18n_test_5000 ' + value);
+        expect(value).assertEqual('Chinese');
+    })
+
+    console.log('*************end I18NTest*************');
+})
\ No newline at end of file
diff --git a/global/i18n_standard/intljs/src/main/js/default/test/Intl.test.js b/global/i18n_standard/intljs/src/main/js/default/test/Intl.test.js
index 08f929be43b4d1a58de560e92429532db26463ab..a72a2b1b109d1f73713e0e9a39efb010626275a7 100755
--- a/global/i18n_standard/intljs/src/main/js/default/test/Intl.test.js
+++ b/global/i18n_standard/intljs/src/main/js/default/test/Intl.test.js
@@ -323,7 +323,7 @@ describe('intlTest', function () {
     it('locale_test_2203', 0, function () {
         let locale = new Intl.Locale('zh-Hans-CN-u-ca-gregory-co-compact');
         console.log('locale_test_2203 ' + locale.minimize().toString());
-        expect(locale.minimize().toString()).assertEqual('zh');
+        expect(locale.minimize().toString()).assertEqual('zh-u-ca-gregory-co-compact');
     })
 
     /* *
@@ -499,12 +499,13 @@ describe('intlTest', function () {
     * @tc.name format the date with aa locale
     * @tc.desc check the date
     */
-    // it('dateTimeFormat_test_0400', 0, function () {
-    //     let date = new Date(2021, 11, 17, 3, 24, 0);
-    //     let datefmt = new Intl.DateTimeFormat('aa');
-    //     console.log('dateTimeFormat_test_0400 ' + datefmt.format(date));
-    //     expect(datefmt.format(date)).assertEqual('2021/12/17');
-    // })
+    it('dateTimeFormat_test_0400', 0, function () {
+        let date = new Date(2021, 11, 17, 3, 24, 0);
+        let datefmt = new Intl.DateTimeFormat('aa');
+        let value = datefmt.format(date);
+        console.log('dateTimeFormat_test_0400 ' + value);
+        expect(value).assertInstanceOf('String');
+    })
 
     /* *
     * @tc.number SUB_GLOBAL_INTL_JS_DATETIME_0500
@@ -550,13 +551,13 @@ describe('intlTest', function () {
     * @tc.name format the hour without correct locale
     * @tc.desc check the hour without correct locale
     */
-//    it('dateTimeFormat_test_0800', 0, function () {
-//        let date = new Date(2020, 11, 20, 14, 23, 16);
-//        let option = { dateStyle: 'full' };
-//        let datefmt = new Intl.DateTimeFormat(['abc', 'ban'], option);
-//        console.log('dateTimeFormat_test_0800 ' + datefmt.format(date));
-//        expect(datefmt.format(date)).assertEqual('12/20/20, 2:23 PM');
-//    })
+    it('dateTimeFormat_test_0800', 0, function () {
+        let date = new Date(2020, 11, 20, 14, 23, 16);
+        let option = { dateStyle: 'full' };
+        let datefmt = new Intl.DateTimeFormat(['abc', 'ban'], option);
+        console.log('dateTimeFormat_test_0800 ' + datefmt.format(date));
+        expect(datefmt.format(date)).assertEqual('12/20/20, 2:23 PM');
+    })
 
     /* *
     * @tc.number SUB_GLOBAL_INTL_JS_DATETIME_0900
diff --git a/global/i18n_standard/intljs/src/main/js/default/test/List.test.js b/global/i18n_standard/intljs/src/main/js/default/test/List.test.js
index 146f0c6f598114d29c21c4d9a22c0696ed066163..ba49034bfa4314390c5dd0697095b965c45998ba 100755
--- a/global/i18n_standard/intljs/src/main/js/default/test/List.test.js
+++ b/global/i18n_standard/intljs/src/main/js/default/test/List.test.js
@@ -12,4 +12,5 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+require('./I18n.test.js')
 require('./Intl.test.js')
\ No newline at end of file