diff --git a/.vscode/settings.json b/.vscode/settings.json
index 2508d1ce820..c674d073382 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -16,8 +16,8 @@
     "i18n-ally.keystyle": "flat",
     "i18n-ally.sortKeys": true,
     "i18n-ally.keepFulfilled": false,
-    "i18n-ally.sourceLanguage": "zh", // 根据此语言文件翻译其他语言文件的变量和内容
-    "i18n-ally.displayLanguage": "zh", // 显示语言
+    "i18n-ally.sourceLanguage": "zh-CN", // 根据此语言文件翻译其他语言文件的变量和内容
+    "i18n-ally.displayLanguage": "zh-CN", // 显示语言
     "i18n-ally.namespace": true,
     "i18n-ally.pathMatcher": "{locale}/{namespaces}.json",
     "i18n-ally.extract.targetPickingStrategy": "most-similar-by-key",
diff --git a/packages/web/hooks/useI18n.ts b/packages/web/hooks/useI18n.ts
index b0d6b619cd8..09d83027c54 100644
--- a/packages/web/hooks/useI18n.ts
+++ b/packages/web/hooks/useI18n.ts
@@ -1,5 +1,6 @@
 import Cookies, { CookieAttributes } from 'js-cookie';
 import { useTranslation } from 'next-i18next';
+import { LangEnum } from '../../../projects/app/src/web/common/utils/i18n';
 
 const setCookie = (key: string, value: string, options?: CookieAttributes) => {
   Cookies.set(key, value, options);
@@ -13,11 +14,13 @@ const LANG_KEY = 'NEXT_LOCALE';
 export const useI18nLng = () => {
   const { i18n } = useTranslation();
   const languageMap: Record<string, string> = {
-    zh: 'zh',
-    'zh-CN': 'zh',
-    'zh-Hans': 'zh',
-    en: 'en',
-    'en-US': 'en'
+    zh: LangEnum.zh_CN,
+    'zh-CN': LangEnum.zh_CN,
+    'zh-Hans': LangEnum.zh_CN,
+    'zh-HK': LangEnum.zh_CN,
+    'zh-TW': LangEnum.zh_TW,
+    en: LangEnum.en,
+    'en-US': LangEnum.en
   };
 
   const onChangeLng = (lng: string) => {
diff --git a/packages/web/i18n/zh/app.json b/packages/web/i18n/zh-CN/app.json
similarity index 100%
rename from packages/web/i18n/zh/app.json
rename to packages/web/i18n/zh-CN/app.json
diff --git a/packages/web/i18n/zh/chat.json b/packages/web/i18n/zh-CN/chat.json
similarity index 100%
rename from packages/web/i18n/zh/chat.json
rename to packages/web/i18n/zh-CN/chat.json
diff --git a/packages/web/i18n/zh/common.json b/packages/web/i18n/zh-CN/common.json
similarity index 100%
rename from packages/web/i18n/zh/common.json
rename to packages/web/i18n/zh-CN/common.json
diff --git a/packages/web/i18n/zh/dataset.json b/packages/web/i18n/zh-CN/dataset.json
similarity index 100%
rename from packages/web/i18n/zh/dataset.json
rename to packages/web/i18n/zh-CN/dataset.json
diff --git a/packages/web/i18n/zh/file.json b/packages/web/i18n/zh-CN/file.json
similarity index 100%
rename from packages/web/i18n/zh/file.json
rename to packages/web/i18n/zh-CN/file.json
diff --git a/packages/web/i18n/zh/login.json b/packages/web/i18n/zh-CN/login.json
similarity index 100%
rename from packages/web/i18n/zh/login.json
rename to packages/web/i18n/zh-CN/login.json
diff --git a/packages/web/i18n/zh/publish.json b/packages/web/i18n/zh-CN/publish.json
similarity index 100%
rename from packages/web/i18n/zh/publish.json
rename to packages/web/i18n/zh-CN/publish.json
diff --git a/packages/web/i18n/zh/user.json b/packages/web/i18n/zh-CN/user.json
similarity index 100%
rename from packages/web/i18n/zh/user.json
rename to packages/web/i18n/zh-CN/user.json
diff --git a/packages/web/i18n/zh/workflow.json b/packages/web/i18n/zh-CN/workflow.json
similarity index 100%
rename from packages/web/i18n/zh/workflow.json
rename to packages/web/i18n/zh-CN/workflow.json
diff --git a/packages/web/i18n/zh_TW/app.json b/packages/web/i18n/zh-TW/app.json
similarity index 100%
rename from packages/web/i18n/zh_TW/app.json
rename to packages/web/i18n/zh-TW/app.json
diff --git a/packages/web/i18n/zh_TW/chat.json b/packages/web/i18n/zh-TW/chat.json
similarity index 100%
rename from packages/web/i18n/zh_TW/chat.json
rename to packages/web/i18n/zh-TW/chat.json
diff --git a/packages/web/i18n/zh_TW/common.json b/packages/web/i18n/zh-TW/common.json
similarity index 100%
rename from packages/web/i18n/zh_TW/common.json
rename to packages/web/i18n/zh-TW/common.json
diff --git a/packages/web/i18n/zh_TW/dataset.json b/packages/web/i18n/zh-TW/dataset.json
similarity index 100%
rename from packages/web/i18n/zh_TW/dataset.json
rename to packages/web/i18n/zh-TW/dataset.json
diff --git a/packages/web/i18n/zh_TW/file.json b/packages/web/i18n/zh-TW/file.json
similarity index 100%
rename from packages/web/i18n/zh_TW/file.json
rename to packages/web/i18n/zh-TW/file.json
diff --git a/packages/web/i18n/zh_TW/login.json b/packages/web/i18n/zh-TW/login.json
similarity index 100%
rename from packages/web/i18n/zh_TW/login.json
rename to packages/web/i18n/zh-TW/login.json
diff --git a/packages/web/i18n/zh_TW/publish.json b/packages/web/i18n/zh-TW/publish.json
similarity index 100%
rename from packages/web/i18n/zh_TW/publish.json
rename to packages/web/i18n/zh-TW/publish.json
diff --git a/packages/web/i18n/zh_TW/user.json b/packages/web/i18n/zh-TW/user.json
similarity index 100%
rename from packages/web/i18n/zh_TW/user.json
rename to packages/web/i18n/zh-TW/user.json
diff --git a/packages/web/i18n/zh_TW/workflow.json b/packages/web/i18n/zh-TW/workflow.json
similarity index 100%
rename from packages/web/i18n/zh_TW/workflow.json
rename to packages/web/i18n/zh-TW/workflow.json
diff --git a/packages/web/types/i18next.d.ts b/packages/web/types/i18next.d.ts
index 20a2fcfb3b9..145804a530f 100644
--- a/packages/web/types/i18next.d.ts
+++ b/packages/web/types/i18next.d.ts
@@ -1,13 +1,13 @@
 import 'i18next';
-import common from '../i18n/zh/common.json';
-import dataset from '../i18n/zh/dataset.json';
-import app from '../i18n/zh/app.json';
-import file from '../i18n/zh/file.json';
-import publish from '../i18n/zh/publish.json';
-import workflow from '../i18n/zh/workflow.json';
-import user from '../i18n/zh/user.json';
-import chat from '../i18n/zh/chat.json';
-import login from '../i18n/zh/login.json';
+import common from '../i18n/zh-CN/common.json';
+import dataset from '../i18n/zh-CN/dataset.json';
+import app from '../i18n/zh-CN/app.json';
+import file from '../i18n/zh-CN/file.json';
+import publish from '../i18n/zh-CN/publish.json';
+import workflow from '../i18n/zh-CN/workflow.json';
+import user from '../i18n/zh-CN/user.json';
+import chat from '../i18n/zh-CN/chat.json';
+import login from '../i18n/zh-CN/login.json';
 
 export interface I18nNamespaces {
   common: typeof common;
diff --git a/projects/app/next-i18next.config.js b/projects/app/next-i18next.config.js
index dce1cf6e5d9..d16520ce46f 100644
--- a/projects/app/next-i18next.config.js
+++ b/projects/app/next-i18next.config.js
@@ -5,8 +5,8 @@
 
 module.exports = {
   i18n: {
-    defaultLocale: 'zh',
-    locales: ['en', 'zh', 'zh_TW'],
+    defaultLocale: 'zh-CN',
+    locales: ['en', 'zh-CN', 'zh-TW'],
     localeDetection: false
   },
   localePath:
diff --git a/projects/app/src/components/Select/I18nLngSelector.tsx b/projects/app/src/components/Select/I18nLngSelector.tsx
index 18e5f17ccfe..7a74c0e1588 100644
--- a/projects/app/src/components/Select/I18nLngSelector.tsx
+++ b/projects/app/src/components/Select/I18nLngSelector.tsx
@@ -1,5 +1,5 @@
 import { langMap } from '@/web/common/utils/i18n';
-import { Avatar, Box, Flex } from '@chakra-ui/react';
+import { Box, Flex } from '@chakra-ui/react';
 import MySelect from '@fastgpt/web/components/common/MySelect';
 import { useI18nLng } from '@fastgpt/web/hooks/useI18n';
 import { useTranslation } from 'next-i18next';
@@ -14,7 +14,7 @@ const I18nLngSelector = () => {
     return Object.entries(langMap).map(([key, lang]) => ({
       label: (
         <Flex alignItems={'center'}>
-          <MyIcon borderRadius={'0'} mr={2} name={lang.avatar as any} w={'14px'} h={'9px'} />
+          <MyIcon borderRadius={'0'} mr={2} name={lang.avatar as any} w={'1rem'} />
           <Box>{lang.label}</Box>
         </Flex>
       ),
diff --git a/projects/app/src/web/common/utils/i18n.ts b/projects/app/src/web/common/utils/i18n.ts
index 27f2ab75572..0f1493933fd 100644
--- a/projects/app/src/web/common/utils/i18n.ts
+++ b/projects/app/src/web/common/utils/i18n.ts
@@ -2,18 +2,21 @@ import { I18nNsType } from '@fastgpt/web/types/i18next';
 import { serverSideTranslations } from 'next-i18next/serverSideTranslations';
 
 export enum LangEnum {
-  'zh' = 'zh',
+  'zh_CN' = 'zh-CN',
+  'zh_TW' = 'zh-TW',
   'en' = 'en'
 }
 export const langMap = {
   [LangEnum.en]: {
     label: 'English(US)',
-    icon: 'common/language/en',
     avatar: 'common/language/America'
   },
-  [LangEnum.zh]: {
+  [LangEnum.zh_CN]: {
     label: '简体中文',
-    icon: 'common/language/zh',
+    avatar: 'common/language/China'
+  },
+  [LangEnum.zh_TW]: {
+    label: '中文(台湾)',
     avatar: 'common/language/China'
   }
 };