diff --git a/web/src/components/llm-select/next.tsx b/web/src/components/llm-select/next.tsx
index 6c5e25724..955896f30 100644
--- a/web/src/components/llm-select/next.tsx
+++ b/web/src/components/llm-select/next.tsx
@@ -2,6 +2,7 @@ import { LlmModelType } from '@/constants/knowledge';
 import { useComposeLlmOptionsByModelTypes } from '@/hooks/llm-hooks';
 import * as SelectPrimitive from '@radix-ui/react-select';
 import { forwardRef, memo, useMemo, useState } from 'react';
+import { useTranslation } from 'react-i18next';
 import { LlmSettingFieldItems } from '../llm-setting-items/next';
 import { Popover, PopoverContent, PopoverTrigger } from '../ui/popover';
 import { Select, SelectTrigger, SelectValue } from '../ui/select';
@@ -20,6 +21,7 @@ const NextInnerLLMSelect = forwardRef<
   React.ElementRef<typeof SelectPrimitive.Trigger>,
   NextInnerLLMSelectProps
 >(({ value, disabled, filter, showSpeech2TextModel = false }, ref) => {
+  const { t } = useTranslation();
   const [isPopoverOpen, setIsPopoverOpen] = useState(false);
 
   const ttsModel = useMemo(() => {
@@ -49,7 +51,7 @@ const NextInnerLLMSelect = forwardRef<
             }}
             ref={ref}
           >
-            <SelectValue>
+            <SelectValue placeholder={t('common.pleaseSelect')}>
               {
                 modelOptions
                   .flatMap((x) => x.options)
diff --git a/web/src/layouts/next-header.tsx b/web/src/layouts/next-header.tsx
index 837019f17..2833533d6 100644
--- a/web/src/layouts/next-header.tsx
+++ b/web/src/layouts/next-header.tsx
@@ -12,10 +12,13 @@ import { LanguageList, LanguageMap, ThemeEnum } from '@/constants/common';
 import { useChangeLanguage } from '@/hooks/logic-hooks';
 import { useNavigatePage } from '@/hooks/logic-hooks/navigate-hooks';
 import { useNavigateWithFromState } from '@/hooks/route-hook';
+import { useListTenant } from '@/hooks/use-user-setting-request';
 import { useFetchUserInfo } from '@/hooks/user-setting-hooks';
+import { TenantRole } from '@/pages/user-setting/constants';
 import { Routes } from '@/routes';
 import { camelCase } from 'lodash';
 import {
+  BellRing,
   ChevronDown,
   CircleHelp,
   Cpu,
@@ -53,11 +56,11 @@ export function Header() {
     changeLanguage(key);
   };
 
-  // const { data } = useListTenant();
+  const { data } = useListTenant();
 
-  // const showBell = useMemo(() => {
-  //   return data.some((x) => x.role === TenantRole.Invite);
-  // }, [data]);
+  const showBell = useMemo(() => {
+    return data.some((x) => x.role === TenantRole.Invite);
+  }, [data]);
 
   const items = LanguageList.map((x) => ({
     key: x,
@@ -68,9 +71,9 @@ export function Header() {
     setTheme(theme === ThemeEnum.Dark ? ThemeEnum.Light : ThemeEnum.Dark);
   }, [setTheme, theme]);
 
-  // const handleBellClick = useCallback(() => {
-  //   navigate('/user-setting/team');
-  // }, [navigate]);
+  const handleBellClick = useCallback(() => {
+    navigate('/user-setting/team');
+  }, [navigate]);
 
   const tagsData = useMemo(
     () => [
@@ -160,6 +163,14 @@ export function Header() {
         <Button variant={'ghost'} onClick={onThemeClick}>
           {theme === 'light' ? <Sun /> : <Moon />}
         </Button>
+        {showBell && (
+          <Button variant={'ghost'} onClick={handleBellClick}>
+            <div className="relative">
+              <BellRing className="size-4 " />
+              <span className="absolute size-1 rounded -right-1 -top-1 bg-red-600"></span>
+            </div>
+          </Button>
+        )}
         <div className="relative">
           <RAGFlowAvatar
             name={nickname}
diff --git a/web/src/pages/datasets/dataset-card.tsx b/web/src/pages/datasets/dataset-card.tsx
index bd6a187eb..ef5c5b9b9 100644
--- a/web/src/pages/datasets/dataset-card.tsx
+++ b/web/src/pages/datasets/dataset-card.tsx
@@ -6,7 +6,6 @@ import { useNavigatePage } from '@/hooks/logic-hooks/navigate-hooks';
 import { IKnowledge } from '@/interfaces/database/knowledge';
 import { ChevronRight } from 'lucide-react';
 import { DatasetDropdown } from './dataset-dropdown';
-import { useDisplayOwnerName } from './use-display-owner';
 import { useRenameDataset } from './use-rename-dataset';
 
 export type DatasetCardProps = {
@@ -18,9 +17,6 @@ export function DatasetCard({
   showDatasetRenameModal,
 }: DatasetCardProps) {
   const { navigateToDataset } = useNavigatePage();
-  const displayOwnerName = useDisplayOwnerName();
-
-  const owner = displayOwnerName(dataset.tenant_id, dataset.nickname);
 
   return (
     <HomeCard
diff --git a/web/src/pages/next-chats/chat/sessions.tsx b/web/src/pages/next-chats/chat/sessions.tsx
index 438258f74..d9fb0b25a 100644
--- a/web/src/pages/next-chats/chat/sessions.tsx
+++ b/web/src/pages/next-chats/chat/sessions.tsx
@@ -90,8 +90,8 @@ export function Sessions({
               'bg-bg-card': conversationId === x.id,
             })}
           >
-            <CardContent className="px-3 py-2 flex justify-between items-center group">
-              {x.name}
+            <CardContent className="px-3 py-2 flex justify-between items-center group gap-1">
+              <div className="truncate">{x.name}</div>
               <ConversationDropdown conversation={x}>
                 <MoreButton></MoreButton>
               </ConversationDropdown>