diff --git a/web/app/components/base/toast/index.tsx b/web/app/components/base/toast/index.tsx
index b1b9ffe8c4..1f616a722c 100644
--- a/web/app/components/base/toast/index.tsx
+++ b/web/app/components/base/toast/index.tsx
@@ -21,6 +21,7 @@ export type IToastProps = {
   children?: ReactNode
   onClose?: () => void
   className?: string
+  customComponent?: ReactNode
 }
 type IToastContext = {
   notify: (props: IToastProps) => void
@@ -35,6 +36,7 @@ const Toast = ({
   message,
   children,
   className,
+  customComponent,
 }: IToastProps) => {
   const { close } = useToastContext()
   // sometimes message is react node array. Not handle it.
@@ -49,7 +51,7 @@ const Toast = ({
     'top-0',
     'right-0',
   )}>
-    <div className={`absolute inset-0 opacity-40 ${
+    <div className={`absolute inset-0 opacity-40 -z-10 ${
       (type === 'success' && 'bg-[linear-gradient(92deg,rgba(23,178,106,0.25)_0%,rgba(255,255,255,0.00)_100%)]')
       || (type === 'warning' && 'bg-[linear-gradient(92deg,rgba(247,144,9,0.25)_0%,rgba(255,255,255,0.00)_100%)]')
       || (type === 'error' && 'bg-[linear-gradient(92deg,rgba(240,68,56,0.25)_0%,rgba(255,255,255,0.00)_100%)]')
@@ -63,14 +65,17 @@ const Toast = ({
         {type === 'warning' && <RiAlertFill className={`${size === 'md' ? 'w-5 h-5' : 'w-4 h-4'} text-text-warning-secondary`} aria-hidden="true" />}
         {type === 'info' && <RiInformation2Fill className={`${size === 'md' ? 'w-5 h-5' : 'w-4 h-4'} text-text-accent`} aria-hidden="true" />}
       </div>
-      <div className={`flex py-1 ${size === 'md' ? 'px-1' : 'px-0.5'} flex-col items-start gap-1 flex-grow`}>
-        <div className='text-text-primary system-sm-semibold'>{message}</div>
+      <div className={`flex py-1 ${size === 'md' ? 'px-1' : 'px-0.5'} flex-col items-start gap-1 flex-grow z-10`}>
+        <div className='flex items-center gap-1'>
+          <div className='text-text-primary system-sm-semibold'>{message}</div>
+          {customComponent}
+        </div>
         {children && <div className='text-text-secondary system-xs-regular'>
           {children}
         </div>
         }
       </div>
-      <ActionButton className='z-[1000]' onClick={close}>
+      <ActionButton onClick={close}>
         <RiCloseLine className='w-4 h-4 flex-shrink-0 text-text-tertiary' />
       </ActionButton>
     </div>
@@ -117,13 +122,14 @@ Toast.notify = ({
   message,
   duration,
   className,
-}: Pick<IToastProps, 'type' | 'size' | 'message' | 'duration' | 'className'>) => {
+  customComponent,
+}: Pick<IToastProps, 'type' | 'size' | 'message' | 'duration' | 'className' | 'customComponent'>) => {
   const defaultDuring = (type === 'success' || type === 'info') ? 3000 : 6000
   if (typeof window === 'object') {
     const holder = document.createElement('div')
     const root = createRoot(holder)
 
-    root.render(<Toast type={type} size={size} message={message} duration={duration} className={className} />)
+    root.render(<Toast type={type} size={size} message={message} duration={duration} className={className} customComponent={customComponent} />)
     document.body.appendChild(holder)
     setTimeout(() => {
       if (holder)
diff --git a/web/app/components/datasets/documents/detail/completed/display-toggle.tsx b/web/app/components/datasets/documents/detail/completed/display-toggle.tsx
index 96a6f5922f..1128cca6ed 100644
--- a/web/app/components/datasets/documents/detail/completed/display-toggle.tsx
+++ b/web/app/components/datasets/documents/detail/completed/display-toggle.tsx
@@ -10,7 +10,6 @@ const DisplayToggle: FC = () => {
     <Tooltip
       popupContent={isCollapsed ? 'Expand chunks' : 'Collapse chunks'}
       popupClassName='text-text-secondary system-xs-medium border-[0.5px] border-components-panel-border'
-      needsDelay
     >
       <button
         className='flex items-center justify-center p-2 rounded-lg bg-components-button-secondary-bg cursor-pointer
diff --git a/web/app/components/datasets/documents/detail/completed/index.tsx b/web/app/components/datasets/documents/detail/completed/index.tsx
index 06f9ef5479..1020a70a89 100644
--- a/web/app/components/datasets/documents/detail/completed/index.tsx
+++ b/web/app/components/datasets/documents/detail/completed/index.tsx
@@ -1,6 +1,6 @@
 'use client'
 import type { FC } from 'react'
-import React, { useCallback, useEffect, useMemo, useState } from 'react'
+import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { useDebounceFn } from 'ahooks'
 import { useTranslation } from 'react-i18next'
 import { createContext, useContext, useContextSelector } from 'use-context-selector'
@@ -27,8 +27,9 @@ import type { ChildChunkDetail, SegmentDetailModel, SegmentUpdater } from '@/mod
 import NewSegment from '@/app/components/datasets/documents/detail/new-segment'
 import { useEventEmitterContextContext } from '@/context/event-emitter'
 import Checkbox from '@/app/components/base/checkbox'
-import { useChildSegmentList, useDeleteSegment, useDisableSegment, useEnableSegment, useSegmentList } from '@/service/knowledge/use-segment'
+import { useChildSegmentList, useDeleteSegment, useDisableSegment, useEnableSegment, useSegmentList, useSegmentListKey } from '@/service/knowledge/use-segment'
 import { Chunk } from '@/app/components/base/icons/src/public/knowledge'
+import { useInvalid } from '@/service/use-base'
 
 const DEFAULT_LIMIT = 10
 
@@ -104,6 +105,8 @@ const Completed: FC<ICompletedProps> = ({
   const [currentPage, setCurrentPage] = useState(1) // start from 1
   const [limit, setLimit] = useState(DEFAULT_LIMIT)
   const [fullScreen, setFullScreen] = useState(false)
+  const segmentListRef = useRef<HTMLDivElement>(null)
+  const needScrollToBottom = useRef(false)
 
   const { run: handleSearch } = useDebounceFn(() => {
     setSearchValue(inputValue)
@@ -122,7 +125,7 @@ const Completed: FC<ICompletedProps> = ({
     return mode === 'hierarchical' && parentMode === 'full-doc'
   }, [mode, parentMode])
 
-  const { isLoading: isLoadingSegmentList, data: segmentListData, refetch: refreshSegmentList } = useSegmentList(
+  const { isFetching: isLoadingSegmentList, data: segmentListData } = useSegmentList(
     {
       datasetId,
       documentId,
@@ -134,12 +137,24 @@ const Completed: FC<ICompletedProps> = ({
       },
     },
   )
+  const invalidSegmentList = useInvalid(useSegmentListKey)
 
   useEffect(() => {
-    if (segmentListData)
+    if (segmentListData) {
       setSegments(segmentListData.data || [])
+      if (segmentListData.total_pages < currentPage)
+        setCurrentPage(segmentListData.total_pages)
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [segmentListData])
 
+  useEffect(() => {
+    if (segmentListRef.current && needScrollToBottom.current) {
+      segmentListRef.current.scrollTo({ top: segmentListRef.current.scrollHeight, behavior: 'smooth' })
+      needScrollToBottom.current = false
+    }
+  }, [segments])
+
   const { data: childChunkListData, refetch: refreshChildSegmentList } = useChildSegmentList(
     {
       datasetId,
@@ -162,7 +177,7 @@ const Completed: FC<ICompletedProps> = ({
   const resetList = useCallback(() => {
     setSegments([])
     setSelectedSegmentIds([])
-    refreshSegmentList()
+    invalidSegmentList()
   // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [])
 
@@ -189,7 +204,6 @@ const Completed: FC<ICompletedProps> = ({
             seg.enabled = enable
         }
         setSegments([...segments])
-        !segId && setSelectedSegmentIds([])
       },
       onError: () => {
         notify({ type: 'error', message: t('common.actionMsg.modifiedUnsuccessfully') })
@@ -205,6 +219,7 @@ const Completed: FC<ICompletedProps> = ({
       onSuccess: () => {
         notify({ type: 'success', message: t('common.actionMsg.modifiedSuccessfully') })
         resetList()
+        !segId && setSelectedSegmentIds([])
       },
       onError: () => {
         notify({ type: 'error', message: t('common.actionMsg.modifiedUnsuccessfully') })
@@ -298,6 +313,20 @@ const Completed: FC<ICompletedProps> = ({
     setFullScreen(!fullScreen)
   }, [fullScreen])
 
+  const viewNewlyAddedChunk = useCallback(async () => {
+    const totalPages = segmentListData?.total_pages || 0
+    const total = segmentListData?.total || 0
+    const newPage = Math.ceil((total + 1) / limit)
+    needScrollToBottom.current = true
+    if (newPage > totalPages)
+      setCurrentPage(totalPages + 1)
+    else if (currentPage === totalPages)
+      resetList()
+    else
+      setCurrentPage(totalPages)
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [segmentListData, limit, currentPage])
+
   return (
     <SegmentListContext.Provider value={{
       isCollapsed,
@@ -351,6 +380,7 @@ const Completed: FC<ICompletedProps> = ({
             />
           </div>
           : <SegmentList
+            ref={segmentListRef}
             embeddingAvailable={embeddingAvailable}
             isLoading={isLoadingSegmentList}
             items={segments}
@@ -391,6 +421,7 @@ const Completed: FC<ICompletedProps> = ({
           docForm={docForm}
           onCancel={() => onNewSegmentModalChange(false)}
           onSave={resetList}
+          viewNewlyAddedChunk={viewNewlyAddedChunk}
         />
       </FullScreenDrawer>
       {/* Batch Action Buttons */}
diff --git a/web/app/components/datasets/documents/detail/completed/segment-list.tsx b/web/app/components/datasets/documents/detail/completed/segment-list.tsx
index 485f70ea8e..35e2ca268d 100644
--- a/web/app/components/datasets/documents/detail/completed/segment-list.tsx
+++ b/web/app/components/datasets/documents/detail/completed/segment-list.tsx
@@ -1,5 +1,4 @@
-import type { FC } from 'react'
-import React from 'react'
+import React, { type ForwardedRef } from 'react'
 import SegmentCard from './segment-card'
 import type { SegmentDetailModel } from '@/models/datasets'
 import Checkbox from '@/app/components/base/checkbox'
@@ -19,7 +18,7 @@ type ISegmentListProps = {
   embeddingAvailable: boolean
 }
 
-const SegmentList: FC<ISegmentListProps> = ({
+const SegmentList = React.forwardRef(({
   isLoading,
   items,
   selectedSegmentIds,
@@ -29,11 +28,13 @@ const SegmentList: FC<ISegmentListProps> = ({
   onDelete,
   archived,
   embeddingAvailable,
-}) => {
+}: ISegmentListProps,
+ref: ForwardedRef<HTMLDivElement>,
+) => {
   if (isLoading)
     return <Loading type='app' />
   return (
-    <div className={classNames('flex flex-col h-full overflow-y-auto')}>
+    <div ref={ref} className={classNames('flex flex-col h-full overflow-y-auto')}>
       {
         items.map((segItem) => {
           const isLast = items[items.length - 1].id === segItem.id
@@ -67,6 +68,8 @@ const SegmentList: FC<ISegmentListProps> = ({
       }
     </div>
   )
-}
+})
+
+SegmentList.displayName = 'SegmentList'
 
 export default SegmentList
diff --git a/web/app/components/datasets/documents/detail/new-segment.tsx b/web/app/components/datasets/documents/detail/new-segment.tsx
index 7ab3d7ecd4..413e3de3c8 100644
--- a/web/app/components/datasets/documents/detail/new-segment.tsx
+++ b/web/app/components/datasets/documents/detail/new-segment.tsx
@@ -1,11 +1,13 @@
-import { memo, useState } from 'react'
+import { memo, useRef, useState } from 'react'
 import type { FC } from 'react'
 import { useTranslation } from 'react-i18next'
 import { useContext } from 'use-context-selector'
 import { useParams } from 'next/navigation'
 import { RiCloseLine, RiExpandDiagonalLine } from '@remixicon/react'
 import { useKeyPress } from 'ahooks'
+import { useShallow } from 'zustand/react/shallow'
 import { SegmentIndexTag, useSegmentListContext } from './completed'
+import { useStore as useAppStore } from '@/app/components/app/store'
 import Button from '@/app/components/base/button'
 import AutoHeightTextarea from '@/app/components/base/auto-height-textarea/common'
 import { ToastContext } from '@/app/components/base/toast'
@@ -21,12 +23,14 @@ type NewSegmentModalProps = {
   onCancel: () => void
   docForm: string
   onSave: () => void
+  viewNewlyAddedChunk: () => void
 }
 
 const NewSegmentModal: FC<NewSegmentModalProps> = ({
   onCancel,
   docForm,
   onSave,
+  viewNewlyAddedChunk,
 }) => {
   const { t } = useTranslation()
   const { notify } = useContext(ToastContext)
@@ -36,6 +40,20 @@ const NewSegmentModal: FC<NewSegmentModalProps> = ({
   const [keywords, setKeywords] = useState<string[]>([])
   const [loading, setLoading] = useState(false)
   const [fullScreen, toggleFullScreen] = useSegmentListContext(s => [s.fullScreen, s.toggleFullScreen])
+  const { appSidebarExpand } = useAppStore(useShallow(state => ({
+    appSidebarExpand: state.appSidebarExpand,
+  })))
+  const refreshTimer = useRef<any>(null)
+
+  const CustomButton = <>
+    <Divider type='vertical' className='h-3 mx-1 bg-divider-regular' />
+    <button className='text-text-accent system-xs-semibold' onClick={() => {
+      clearTimeout(refreshTimer.current)
+      viewNewlyAddedChunk()
+    }}>
+      {t('datasetDocuments.segment.viewAddedChunk')}
+    </button>
+  </>
 
   const handleCancel = () => {
     onCancel()
@@ -68,9 +86,18 @@ const NewSegmentModal: FC<NewSegmentModalProps> = ({
     setLoading(true)
     try {
       await addSegment({ datasetId, documentId, body: params })
-      notify({ type: 'success', message: t('common.actionMsg.modifiedSuccessfully') })
+      notify({
+        type: 'success',
+        message: t('datasetDocuments.segment.chunkAdded'),
+        className: `!w-[296px] !bottom-0 ${appSidebarExpand === 'expand' ? '!left-[216px]' : '!left-14'}
+          !top-auto !right-auto !mb-[52px] !ml-11`,
+        duration: 6000,
+        customComponent: CustomButton,
+      })
       handleCancel()
-      onSave()
+      refreshTimer.current = setTimeout(() => {
+        onSave()
+      }, 6000)
     }
     finally {
       setLoading(false)
diff --git a/web/i18n/en-US/dataset-documents.ts b/web/i18n/en-US/dataset-documents.ts
index a0bcb5bba0..2427e03faa 100644
--- a/web/i18n/en-US/dataset-documents.ts
+++ b/web/i18n/en-US/dataset-documents.ts
@@ -350,6 +350,8 @@ const translation = {
     newQaSegment: 'New Q&A Segment',
     addChunk: 'Add Chunk',
     delete: 'Delete this chunk ?',
+    chunkAdded: '1 chunk added',
+    viewAddedChunk: 'View',
   },
 }
 
diff --git a/web/i18n/zh-Hans/dataset-documents.ts b/web/i18n/zh-Hans/dataset-documents.ts
index 355c4bee7f..349ec58340 100644
--- a/web/i18n/zh-Hans/dataset-documents.ts
+++ b/web/i18n/zh-Hans/dataset-documents.ts
@@ -348,6 +348,8 @@ const translation = {
     newQaSegment: '新问答分段',
     addChunk: '新增分段',
     delete: '删除这个分段？',
+    chunkAdded: '新增一个分段',
+    viewAddedChunk: '查看',
   },
 }
 
diff --git a/web/service/knowledge/use-segment.ts b/web/service/knowledge/use-segment.ts
index f926468349..65ae2c17d3 100644
--- a/web/service/knowledge/use-segment.ts
+++ b/web/service/knowledge/use-segment.ts
@@ -5,7 +5,7 @@ import type { ChildSegmentResponse, SegmentsResponse } from '@/models/datasets'
 
 const NAME_SPACE = 'segment'
 
-const useSegmentListKey = [NAME_SPACE, 'chunkList']
+export const useSegmentListKey = [NAME_SPACE, 'chunkList']
 
 export const useSegmentList = (
   payload: {