diff --git a/web/src/app.tsx b/web/src/app.tsx
index 1681fc3c4..eea667e2d 100644
--- a/web/src/app.tsx
+++ b/web/src/app.tsx
@@ -6,6 +6,7 @@ import enUS from 'antd/locale/en_US';
 import vi_VN from 'antd/locale/vi_VN';
 import zhCN from 'antd/locale/zh_CN';
 import zh_HK from 'antd/locale/zh_HK';
+import pt_BR from 'antd/lib/locale/pt_BR';
 import dayjs from 'dayjs';
 import advancedFormat from 'dayjs/plugin/advancedFormat';
 import customParseFormat from 'dayjs/plugin/customParseFormat';
@@ -30,6 +31,7 @@ const AntLanguageMap = {
   zh: zhCN,
   'zh-TRADITIONAL': zh_HK,
   vi: vi_VN,
+  'pt-BR': pt_BR,
 };
 
 const queryClient = new QueryClient();
diff --git a/web/src/locales/en.ts b/web/src/locales/en.ts
index 062ad60c7..aba283d40 100644
--- a/web/src/locales/en.ts
+++ b/web/src/locales/en.ts
@@ -220,6 +220,7 @@ export default {
       upload: 'Upload',
       english: 'English',
       chinese: 'Chinese',
+      portugueseBr: 'Portuguese (Brazil)',
       embeddingModelPlaceholder: 'Please select a embedding model',
       chunkMethodPlaceholder: 'Please select a chunk method',
       save: 'Save',
diff --git a/web/src/locales/pt-br.ts b/web/src/locales/pt-br.ts
index b6d90b687..841f73ae2 100644
--- a/web/src/locales/pt-br.ts
+++ b/web/src/locales/pt-br.ts
@@ -81,7 +81,7 @@ export default {
       searchKnowledgePlaceholder: 'Buscar',
       noMoreData: 'Isso é tudo. Nada mais.',
     },
-    knowledgeDetail: {
+    knowledgeDetails: {
       dataset: 'Conjunto de dados',
       testing: 'Teste de recuperação',
       files: 'Arquivos',
@@ -221,6 +221,7 @@ export default {
       upload: 'Enviar',
       english: 'Inglês',
       chinese: 'Chinês',
+      portugueseBr: 'Português (Brasil)',
       embeddingModelPlaceholder:
         'Por favor, selecione um modelo de incorporação',
       chunkMethodPlaceholder: 'Por favor, selecione um método de fragmentação',
diff --git a/web/src/pages/add-knowledge/components/knowledge-setting/configuration.tsx b/web/src/pages/add-knowledge/components/knowledge-setting/configuration.tsx
index 1c2bb419e..c6f5ebc23 100644
--- a/web/src/pages/add-knowledge/components/knowledge-setting/configuration.tsx
+++ b/web/src/pages/add-knowledge/components/knowledge-setting/configuration.tsx
@@ -76,6 +76,7 @@ const ConfigurationForm = ({ form }: { form: FormInstance }) => {
           <Option value="English">{t('english')}</Option>
           <Option value="Chinese">{t('chinese')}</Option>
           <Option value="Vietnamese">{t('vietnamese')}</Option>
+          <Option value="Portuguese (Brazil)">{t('portugueseBr')}</Option>
         </Select>
       </Form.Item>
       <Form.Item