diff --git a/web/app/components/app/configuration/tools/external-data-tool-modal.tsx b/web/app/components/app/configuration/tools/external-data-tool-modal.tsx
index 024ab99672..3fd020f60f 100644
--- a/web/app/components/app/configuration/tools/external-data-tool-modal.tsx
+++ b/web/app/components/app/configuration/tools/external-data-tool-modal.tsx
@@ -245,7 +245,7 @@ const ExternalDataToolModal: FC<ExternalDataToolModalProps> = ({
             <div className='flex h-9 items-center justify-between text-sm font-medium text-gray-900'>
               {t('common.apiBasedExtension.selector.title')}
               <a
-                href={docLink('/guides/extension/api-based-extension/README') || '/'}
+                href={docLink('/guides/extension/api-based-extension/README')}
                 target='_blank' rel='noopener noreferrer'
                 className='group flex items-center text-xs font-normal text-gray-500 hover:text-primary-600'
               >
diff --git a/web/app/components/base/features/new-feature-panel/moderation/moderation-setting-modal.tsx b/web/app/components/base/features/new-feature-panel/moderation/moderation-setting-modal.tsx
index e561cddaa8..3ede2d7c6b 100644
--- a/web/app/components/base/features/new-feature-panel/moderation/moderation-setting-modal.tsx
+++ b/web/app/components/base/features/new-feature-panel/moderation/moderation-setting-modal.tsx
@@ -318,7 +318,7 @@ const ModerationSettingModal: FC<ModerationSettingModalProps> = ({
             <div className='flex h-9 items-center justify-between'>
               <div className='text-sm font-medium text-text-primary'>{t('common.apiBasedExtension.selector.title')}</div>
               <a
-                href={docLink('/guides/extension/api-based-extension/README') || '/'}
+                href={docLink('/guides/extension/api-based-extension/README')}
                 target='_blank' rel='noopener noreferrer'
                 className='group flex items-center text-xs text-text-tertiary hover:text-primary-600'
               >
diff --git a/web/app/components/header/account-setting/api-based-extension-page/empty.tsx b/web/app/components/header/account-setting/api-based-extension-page/empty.tsx
index 188545ab59..c95e8d8d0c 100644
--- a/web/app/components/header/account-setting/api-based-extension-page/empty.tsx
+++ b/web/app/components/header/account-setting/api-based-extension-page/empty.tsx
@@ -17,7 +17,7 @@ const Empty = () => {
       <div className='system-sm-medium mb-1 text-text-secondary'>{t('common.apiBasedExtension.title')}</div>
       <a
         className='system-xs-regular flex items-center text-text-accent'
-        href={docLink('/guides/extension/api-based-extension/README') || '/'}
+        href={docLink('/guides/extension/api-based-extension/README')}
         target='_blank' rel='noopener noreferrer'
       >
         {t('common.apiBasedExtension.link')}
diff --git a/web/app/components/header/account-setting/api-based-extension-page/modal.tsx b/web/app/components/header/account-setting/api-based-extension-page/modal.tsx
index 34d4c86576..f6c0d93db0 100644
--- a/web/app/components/header/account-setting/api-based-extension-page/modal.tsx
+++ b/web/app/components/header/account-setting/api-based-extension-page/modal.tsx
@@ -102,7 +102,7 @@ const ApiBasedExtensionModal: FC<ApiBasedExtensionModalProps> = ({
         <div className='flex h-9 items-center justify-between text-sm font-medium text-text-primary'>
           {t('common.apiBasedExtension.modal.apiEndpoint.title')}
           <a
-            href={docLink('/guides/extension/api-based-extension/README') || '/'}
+            href={docLink('/guides/extension/api-based-extension/README')}
             target='_blank' rel='noopener noreferrer'
             className='group flex items-center text-xs font-normal text-text-accent'
           >