diff --git a/web/app/components/base/file-uploader/file-type-icon.tsx b/web/app/components/base/file-uploader/file-type-icon.tsx
index 193a630dee..4e31ab66a8 100644
--- a/web/app/components/base/file-uploader/file-type-icon.tsx
+++ b/web/app/components/base/file-uploader/file-type-icon.tsx
@@ -82,8 +82,8 @@ const FileTypeIcon = ({
   size = 'sm',
   className,
 }: FileTypeIconProps) => {
-  const Icon = FILE_TYPE_ICON_MAP[type].component || FileAppearanceTypeEnum.custom
-  const color = FILE_TYPE_ICON_MAP[type].color
+  const Icon = FILE_TYPE_ICON_MAP[type]?.component || FileAppearanceTypeEnum.custom
+  const color = FILE_TYPE_ICON_MAP[type]?.color || FILE_TYPE_ICON_MAP.custom.color
 
   return <Icon className={cn('shrink-0', SizeMap[size], color, className)} />
 }
diff --git a/web/app/components/datasets/documents/detail/completed/common/action-buttons.tsx b/web/app/components/datasets/documents/detail/completed/common/action-buttons.tsx
index aa3336a0ad..04c829dfda 100644
--- a/web/app/components/datasets/documents/detail/completed/common/action-buttons.tsx
+++ b/web/app/components/datasets/documents/detail/completed/common/action-buttons.tsx
@@ -7,9 +7,10 @@ import { getKeyboardKeyCodeBySystem, getKeyboardKeyNameBySystem } from '@/app/co
 
 type IActionButtonsProps = {
   handleCancel: () => void
-  handleSave: (needRegenerate: boolean) => void
+  handleSave: () => void
   loading: boolean
   actionType?: 'edit' | 'add'
+  handleRegeneration?: () => void
 }
 
 const ActionButtons: FC<IActionButtonsProps> = ({
@@ -17,6 +18,7 @@ const ActionButtons: FC<IActionButtonsProps> = ({
   handleSave,
   loading,
   actionType = 'edit',
+  handleRegeneration,
 }) => {
   const { t } = useTranslation()
   const [mode, parentMode] = useDocumentContext(s => [s.mode, s.parentMode])
@@ -30,7 +32,7 @@ const ActionButtons: FC<IActionButtonsProps> = ({
     if (loading)
       return
     e.preventDefault()
-    handleSave(false)
+    handleSave()
   }
   , { exactMatch: true, useCapture: true })
 
@@ -50,18 +52,18 @@ const ActionButtons: FC<IActionButtonsProps> = ({
       </Button>
       {(isParentChildParagraphMode && actionType === 'edit')
         ? <Button
-          onClick={handleSave.bind(null, true)}
+          onClick={handleRegeneration}
           disabled={loading}
         >
           <span className='text-components-button-secondary-text system-sm-medium'>
-            {t('datasetDocuments.segment.saveAndRegenerate')}
+            {t('common.operation.saveAndRegenerate')}
           </span>
         </Button>
         : null
       }
       <Button
         variant='primary'
-        onClick={handleSave.bind(null, false)}
+        onClick={handleSave}
         disabled={loading}
       >
         <div className='flex items-center gap-x-1'>
diff --git a/web/app/components/datasets/documents/detail/completed/common/dot.tsx b/web/app/components/datasets/documents/detail/completed/common/dot.tsx
new file mode 100644
index 0000000000..c791b93e2d
--- /dev/null
+++ b/web/app/components/datasets/documents/detail/completed/common/dot.tsx
@@ -0,0 +1,11 @@
+import React from 'react'
+
+const Dot = () => {
+  return (
+    <div className='text-text-quaternary text-xs font-medium'>·</div>
+  )
+}
+
+Dot.displayName = 'Dot'
+
+export default React.memo(Dot)
diff --git a/web/app/components/datasets/documents/detail/completed/common/regeneration-modal.tsx b/web/app/components/datasets/documents/detail/completed/common/regeneration-modal.tsx
new file mode 100644
index 0000000000..bc7ad4a73a
--- /dev/null
+++ b/web/app/components/datasets/documents/detail/completed/common/regeneration-modal.tsx
@@ -0,0 +1,129 @@
+import React, { type FC, useEffect, useRef, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import { RiLoader2Line } from '@remixicon/react'
+import Modal from '@/app/components/base/modal'
+import Button from '@/app/components/base/button'
+import { useEventEmitterContextContext } from '@/context/event-emitter'
+
+type IDefaultContentProps = {
+  onCancel: () => void
+  onConfirm: () => void
+}
+
+const DefaultContent: FC<IDefaultContentProps> = React.memo(({
+  onCancel,
+  onConfirm,
+}) => {
+  const { t } = useTranslation()
+
+  return (
+    <>
+      <div className='p-6 pb-4'>
+        <span className='text-text-primary title-2xl-semi-bold'>{t('datasetDocuments.segment.regenerationConfirm')}</span>
+        <p className='text-text-secondary system-md-regular'>{t('datasetDocuments.segment.regenerationWarning')}</p>
+      </div>
+      <div className='flex justify-end gap-x-2 p-6'>
+        <Button onClick={onCancel}>
+          {t('common.operation.cancel')}
+        </Button>
+        <Button destructive onClick={onConfirm}>
+          {t('common.operation.regenerate')}
+        </Button>
+      </div>
+    </>
+  )
+})
+
+const RegeneratingContent: FC = React.memo(() => {
+  const { t } = useTranslation()
+
+  return (
+    <>
+      <div className='p-6 pb-4'>
+        <span className='text-text-primary title-2xl-semi-bold'>{t('datasetDocuments.segment.regeneratingTitle')}</span>
+        <p className='text-text-secondary system-md-regular'>{t('datasetDocuments.segment.regeneratingMessage')}</p>
+      </div>
+      <div className='flex justify-end p-6'>
+        <Button destructive disabled className='inline-flex items-center gap-x-0.5'>
+          <RiLoader2Line className='w-4 h-4 text-components-button-destructive-primary-text-disabled' />
+          <span>{t('common.operation.regenerate')}</span>
+        </Button>
+      </div>
+    </>
+  )
+})
+
+type IRegenerationCompletedContentProps = {
+  onClose: () => void
+}
+
+const RegenerationCompletedContent: FC<IRegenerationCompletedContentProps> = React.memo(({
+  onClose,
+}) => {
+  const { t } = useTranslation()
+  const [countDown, setCountDown] = useState(5)
+  const timerRef = useRef<any>(null)
+
+  useEffect(() => {
+    timerRef.current = setInterval(() => {
+      if (countDown > 0)
+        setCountDown(countDown - 1)
+      else
+        clearInterval(timerRef.current)
+    }, 1000)
+    return () => {
+      clearInterval(timerRef.current)
+    }
+  }, [])
+
+  return (
+    <>
+      <div className='p-6 pb-4'>
+        <span className='text-text-primary title-2xl-semi-bold'>{t('datasetDocuments.segment.regenerationSuccessTitle')}</span>
+        <p className='text-text-secondary system-md-regular'>{t('datasetDocuments.segment.regenerationSuccessMessage')}</p>
+      </div>
+      <div className='flex justify-end p-6'>
+        <Button variant='primary' onClick={onClose}>
+          {`${t('common.operation.close')}(${countDown})`}
+        </Button>
+      </div>
+    </>
+  )
+})
+
+type IRegenerationModalProps = {
+  isShow: boolean
+  onConfirm: () => void
+  onCancel: () => void
+}
+
+const RegenerationModal: FC<IRegenerationModalProps> = ({
+  isShow,
+  onConfirm,
+  onCancel,
+}) => {
+  const [loading, setLoading] = useState(false)
+  const [updateSuccess, setUpdateSuccess] = useState(false)
+  const { eventEmitter } = useEventEmitterContextContext()
+
+  eventEmitter?.useSubscription((v) => {
+    if (v === 'update-segment') {
+      setLoading(true)
+      setUpdateSuccess(false)
+    }
+    if (v === 'update-segment-success')
+      setUpdateSuccess(true)
+    if (v === 'update-segment-done')
+      setLoading(false)
+  })
+
+  return (
+    <Modal isShow={isShow} onClose={() => {}} className='!max-w-[480px] !rounded-2xl'>
+      {(!loading && !updateSuccess) && <DefaultContent onCancel={onCancel} onConfirm={onConfirm} />}
+      {(loading && !updateSuccess) && <RegeneratingContent />}
+      {!loading && updateSuccess && <RegenerationCompletedContent onClose={onCancel} />}
+    </Modal>
+  )
+}
+
+export default RegenerationModal
diff --git a/web/app/components/datasets/documents/detail/completed/common/tag.tsx b/web/app/components/datasets/documents/detail/completed/common/tag.tsx
new file mode 100644
index 0000000000..c88bffc736
--- /dev/null
+++ b/web/app/components/datasets/documents/detail/completed/common/tag.tsx
@@ -0,0 +1,15 @@
+import React from 'react'
+import cn from '@/utils/classnames'
+
+const Tag = ({ text, className }: { text: string; className?: string }) => {
+  return (
+    <div className={cn('inline-flex items-center gap-x-0.5', className)}>
+      <span className='text-text-quaternary text-xs font-medium'>#</span>
+      <span className='text-text-tertiary text-xs'>{text}</span>
+    </div>
+  )
+}
+
+Tag.displayName = 'Tag'
+
+export default React.memo(Tag)
diff --git a/web/app/components/datasets/documents/detail/completed/index.tsx b/web/app/components/datasets/documents/detail/completed/index.tsx
index c3f513e8aa..5cc8b3258d 100644
--- a/web/app/components/datasets/documents/detail/completed/index.tsx
+++ b/web/app/components/datasets/documents/detail/completed/index.tsx
@@ -42,21 +42,22 @@ type SegmentListContextValue = {
 
 const SegmentListContext = createContext({
   isCollapsed: true,
-  toggleCollapsed: () => {},
+  toggleCollapsed: () => { },
   fullScreen: false,
-  toggleFullScreen: () => {},
+  toggleFullScreen: () => { },
 })
 
 export const useSegmentListContext = (selector: (value: SegmentListContextValue) => any) => {
   return useContextSelector(SegmentListContext, selector)
 }
 
-export const SegmentIndexTag: FC<{ positionId?: string | number; label?: string; className?: string }> = React.memo(({ positionId, label, className }) => {
+export const SegmentIndexTag: FC<{ positionId?: string | number; label?: string; className?: string; isParentChildRetrieval?: boolean }> = React.memo(({ positionId, label, className, isParentChildRetrieval }) => {
+  const prefix = `${isParentChildRetrieval ? 'Parent-' : ''}Chunk`
   const localPositionId = useMemo(() => {
     const positionIdStr = String(positionId)
     if (positionIdStr.length >= 3)
-      return `Chunk-${positionId}`
-    return `Chunk-${positionIdStr.padStart(2, '0')}`
+      return `${prefix}-${positionId}`
+    return `${prefix}-${positionIdStr.padStart(2, '0')}`
   }, [positionId])
   return (
     <div className={cn('flex items-center', className)}>
@@ -76,7 +77,6 @@ type ICompletedProps = {
   onNewSegmentModalChange: (state: boolean) => void
   importStatus: ProcessStatus | string | undefined
   archived?: boolean
-  // data: Array<{}> // all/part segments
 }
 /**
  * Embedding done, show list of all segments
@@ -180,7 +180,7 @@ const Completed: FC<ICompletedProps> = ({
     setSegments([])
     setSelectedSegmentIds([])
     invalidSegmentList()
-  // eslint-disable-next-line react-hooks/exhaustive-deps
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [])
 
   const onClickCard = (detail: SegmentDetailModel, isEditMode = false) => {
@@ -211,7 +211,7 @@ const Completed: FC<ICompletedProps> = ({
         notify({ type: 'error', message: t('common.actionMsg.modifiedUnsuccessfully') })
       },
     })
-  // eslint-disable-next-line react-hooks/exhaustive-deps
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [datasetId, documentId, selectedSegmentIds, segments])
 
   const { mutateAsync: deleteSegment } = useDeleteSegment()
@@ -227,7 +227,7 @@ const Completed: FC<ICompletedProps> = ({
         notify({ type: 'error', message: t('common.actionMsg.modifiedUnsuccessfully') })
       },
     })
-  // eslint-disable-next-line react-hooks/exhaustive-deps
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [datasetId, documentId, selectedSegmentIds])
 
   const onCancelBatchOperation = useCallback(() => {
@@ -247,7 +247,7 @@ const Completed: FC<ICompletedProps> = ({
     question: string,
     answer: string,
     keywords: string[],
-    needRegenerate: boolean,
+    needRegenerate = false,
   ) => {
     const params: SegmentUpdater = { content: '' }
     if (docForm === 'qa_model') {
@@ -290,9 +290,10 @@ const Completed: FC<ICompletedProps> = ({
         }
       }
       setSegments([...segments])
+      eventEmitter?.emit('update-segment-success')
     }
     finally {
-      eventEmitter?.emit('')
+      eventEmitter?.emit('update-segment-done')
     }
   }
 
@@ -337,7 +338,7 @@ const Completed: FC<ICompletedProps> = ({
       resetList()
       currentPage !== totalPages && setCurrentPage(totalPages)
     }
-  // eslint-disable-next-line react-hooks/exhaustive-deps
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [segmentListData, limit, currentPage])
 
   return (
@@ -388,7 +389,7 @@ const Completed: FC<ICompletedProps> = ({
             />
             <ChildSegmentList
               childChunks={childSegments}
-              handleInputChange={() => {}}
+              handleInputChange={() => { }}
               enabled={!archived}
             />
           </div>
@@ -443,14 +444,14 @@ const Completed: FC<ICompletedProps> = ({
       </FullScreenDrawer>
       {/* Batch Action Buttons */}
       {selectedSegmentIds.length > 0
-      && <BatchAction
-        className='absolute left-0 bottom-16 z-20'
-        selectedIds={selectedSegmentIds}
-        onBatchEnable={onChangeSwitch.bind(null, true, '')}
-        onBatchDisable={onChangeSwitch.bind(null, false, '')}
-        onBatchDelete={onDelete.bind(null, '')}
-        onCancel={onCancelBatchOperation}
-      />}
+        && <BatchAction
+          className='absolute left-0 bottom-16 z-20'
+          selectedIds={selectedSegmentIds}
+          onBatchEnable={onChangeSwitch.bind(null, true, '')}
+          onBatchDisable={onChangeSwitch.bind(null, false, '')}
+          onBatchDelete={onDelete.bind(null, '')}
+          onCancel={onCancelBatchOperation}
+        />}
     </SegmentListContext.Provider>
   )
 }
diff --git a/web/app/components/datasets/documents/detail/completed/segment-card.tsx b/web/app/components/datasets/documents/detail/completed/segment-card.tsx
index 4a862e6633..18f59df345 100644
--- a/web/app/components/datasets/documents/detail/completed/segment-card.tsx
+++ b/web/app/components/datasets/documents/detail/completed/segment-card.tsx
@@ -1,10 +1,11 @@
 import React, { type FC, useCallback, useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
-import { RiArrowRightUpLine, RiDeleteBinLine, RiEditLine } from '@remixicon/react'
+import { RiDeleteBinLine, RiEditLine } from '@remixicon/react'
 import { StatusItem } from '../../list'
-import DocumentFileIcon from '../../../common/document-file-icon'
 import { useDocumentContext } from '../index'
 import ChildSegmentList from './child-segment-list'
+import Tag from './common/tag'
+import Dot from './common/dot'
 import { SegmentIndexTag, useSegmentListContext } from '.'
 import type { SegmentDetailModel } from '@/models/datasets'
 import Indicator from '@/app/components/header/indicator'
@@ -17,74 +18,13 @@ import Badge from '@/app/components/base/badge'
 import { isAfter } from '@/utils/time'
 import Tooltip from '@/app/components/base/tooltip'
 
-const Dot = React.memo(() => {
-  return (
-    <div className='text-text-quaternary text-xs font-medium'>·</div>
-  )
-})
-
-Dot.displayName = 'Dot'
-
-const ProgressBar: FC<{ percent: number; loading: boolean }> = React.memo(({ percent, loading }) => {
-  return (
-    <div className=''>
-      <div className=''>
-        <div
-          className=''
-          style={{ width: `${loading ? 0 : (Math.min(percent, 1) * 100).toFixed(2)}%` }}
-        />
-      </div>
-      <div className=''>{loading ? null : percent.toFixed(2)}</div>
-    </div>
-  )
-})
-
-ProgressBar.displayName = 'ProgressBar'
-
-type DocumentTitleProps = {
-  name: string
-  extension?: string
-}
-
-const DocumentTitle: FC<DocumentTitleProps> = React.memo(({ extension, name }) => {
-  return (
-    <div className=''>
-      <DocumentFileIcon name={name} extension={extension} size={'sm'} />
-      <span className=''>{name || '--'}</span>
-    </div>
-  )
-})
-
-DocumentTitle.displayName = 'DocumentTitle'
-
-const Tag = React.memo(({ text }: { text: string }) => {
-  return (
-    <div className='inline-flex items-center gap-x-0.5'>
-      <span className='text-text-quaternary text-xs font-medium'>#</span>
-      <span className='text-text-tertiary text-xs'>{text}</span>
-    </div>
-  )
-})
-
-Tag.displayName = 'Tag'
-
-export type UsageScene = 'doc' | 'hitTesting'
-
 type ISegmentCardProps = {
   loading: boolean
   detail?: SegmentDetailModel & { document?: { name: string } }
-  contentExternal?: string
-  refSource?: {
-    title: string
-    uri: string
-  }
-  isExternal?: boolean
-  score?: number
   onClick?: () => void
   onChangeSwitch?: (enabled: boolean, segId?: string) => Promise<void>
   onDelete?: (segId: string) => Promise<void>
   onClickEdit?: () => void
-  scene?: UsageScene
   className?: string
   archived?: boolean
   embeddingAvailable?: boolean
@@ -92,16 +32,11 @@ type ISegmentCardProps = {
 
 const SegmentCard: FC<ISegmentCardProps> = ({
   detail = {},
-  contentExternal,
-  isExternal,
-  refSource,
-  score,
   onClick,
   onChangeSwitch,
   onDelete,
   onClickEdit,
   loading = true,
-  scene = 'doc',
   className = '',
   archived,
   embeddingAvailable,
@@ -124,10 +59,6 @@ const SegmentCard: FC<ISegmentCardProps> = ({
   const isCollapsed = useSegmentListContext(s => s.isCollapsed)
   const [mode, parentMode] = useDocumentContext(s => [s.mode, s.parentMode])
 
-  const isDocScene = useMemo(() => {
-    return scene === 'doc'
-  }, [scene])
-
   const isGeneralMode = useMemo(() => {
     return mode === 'custom'
   }, [mode])
@@ -147,9 +78,9 @@ const SegmentCard: FC<ISegmentCardProps> = ({
   }, [enabled])
 
   const handleClickCard = useCallback(() => {
-    if (!isFullDocMode)
+    if (mode !== 'hierarchical' || parentMode !== 'full-doc')
       onClick?.()
-  }, [isFullDocMode, onClick])
+  }, [mode, parentMode, onClick])
 
   const renderContent = () => {
     if (answer) {
@@ -166,10 +97,6 @@ const SegmentCard: FC<ISegmentCardProps> = ({
         </>
       )
     }
-
-    if (contentExternal)
-      return contentExternal
-
     return content
   }
 
@@ -179,96 +106,85 @@ const SegmentCard: FC<ISegmentCardProps> = ({
       onClick={handleClickCard}
     >
       <div className='h-5 relative flex items-center justify-between'>
-        {isDocScene
-          ? <>
-            <div className='flex items-center gap-x-2'>
-              <SegmentIndexTag positionId={position} className={textOpacity} />
-              <Dot />
-              <div className={cn('text-text-tertiary system-xs-medium', textOpacity)}>{`${formatNumber(word_count)} Characters`}</div>
-              <Dot />
-              <div className={cn('text-text-tertiary system-xs-medium', textOpacity)}>{`${formatNumber(hit_count)} Retrieval Count`}</div>
-              {chunkEdited && (
-                <>
-                  <Dot />
-                  <Badge text='edited' uppercase className={textOpacity} />
-                </>
-              )}
-            </div>
-            {!isFullDocMode
-              ? <div className='flex items-center'>
-                {loading
-                  ? (
-                    <Indicator color="gray" />
-                  )
-                  : (
-                    <>
-                      <StatusItem status={enabled ? 'enabled' : 'disabled'} reverse textCls="text-text-tertiary system-xs-regular" />
-                      {embeddingAvailable && (
-                        <div className="absolute -top-2 -right-2.5 z-20 hidden group-hover/card:flex items-center gap-x-0.5 p-1
-                        rounded-[10px] border-[0.5px] border-components-actionbar-border bg-components-actionbar-bg shadow-md backdrop-blur-[5px]">
-                          {!archived && (
-                            <>
-                              <Tooltip
-                                popupContent='Edit'
-                                popupClassName='text-text-secondary system-xs-medium'
-                              >
-                                <div
-                                  className='shrink-0 w-6 h-6 flex items-center justify-center rounded-lg hover:bg-state-base-hover cursor-pointer'
-                                  onClick={(e) => {
-                                    e.stopPropagation()
-                                    onClickEdit?.()
-                                  }}>
-                                  <RiEditLine className='w-4 h-4 text-text-tertiary' />
-                                </div>
-                              </Tooltip>
-                              <Tooltip
-                                popupContent='Delete'
-                                popupClassName='text-text-secondary system-xs-medium'
-                              >
-                                <div className='shrink-0 w-6 h-6 flex items-center justify-center rounded-lg hover:bg-state-destructive-hover cursor-pointer group/delete'
-                                  onClick={(e) => {
-                                    e.stopPropagation()
-                                    setShowModal(true)
-                                  }
-                                  }>
-                                  <RiDeleteBinLine className='w-4 h-4 text-text-tertiary group-hover/delete:text-text-destructive' />
-                                </div>
-                              </Tooltip>
-                              <Divider type="vertical" className="h-3.5 bg-divider-regular" />
-                            </>
-                          )}
-                          <div
-                            onClick={(e: React.MouseEvent<HTMLDivElement, MouseEvent>) =>
-                              e.stopPropagation()
-                            }
-                            className="flex items-center"
-                          >
-                            <Switch
-                              size='md'
-                              disabled={archived || detail.status !== 'completed'}
-                              defaultValue={enabled}
-                              onChange={async (val) => {
-                                await onChangeSwitch?.(val, id)
-                              }}
-                            />
-                          </div>
+        <>
+          <div className='flex items-center gap-x-2'>
+            <SegmentIndexTag positionId={position} className={textOpacity} />
+            <Dot />
+            <div className={cn('text-text-tertiary system-xs-medium', textOpacity)}>{`${formatNumber(word_count)} Characters`}</div>
+            <Dot />
+            <div className={cn('text-text-tertiary system-xs-medium', textOpacity)}>{`${formatNumber(hit_count)} Retrieval Count`}</div>
+            {chunkEdited && (
+              <>
+                <Dot />
+                <Badge text='edited' uppercase className={textOpacity} />
+              </>
+            )}
+          </div>
+          {!isFullDocMode
+            ? <div className='flex items-center'>
+              {loading
+                ? (
+                  <Indicator color="gray" />
+                )
+                : (
+                  <>
+                    <StatusItem status={enabled ? 'enabled' : 'disabled'} reverse textCls="text-text-tertiary system-xs-regular" />
+                    {embeddingAvailable && (
+                      <div className="absolute -top-2 -right-2.5 z-20 hidden group-hover/card:flex items-center gap-x-0.5 p-1
+                      rounded-[10px] border-[0.5px] border-components-actionbar-border bg-components-actionbar-bg shadow-md backdrop-blur-[5px]">
+                        {!archived && (
+                          <>
+                            <Tooltip
+                              popupContent='Edit'
+                              popupClassName='text-text-secondary system-xs-medium'
+                            >
+                              <div
+                                className='shrink-0 w-6 h-6 flex items-center justify-center rounded-lg hover:bg-state-base-hover cursor-pointer'
+                                onClick={(e) => {
+                                  e.stopPropagation()
+                                  onClickEdit?.()
+                                }}>
+                                <RiEditLine className='w-4 h-4 text-text-tertiary' />
+                              </div>
+                            </Tooltip>
+                            <Tooltip
+                              popupContent='Delete'
+                              popupClassName='text-text-secondary system-xs-medium'
+                            >
+                              <div className='shrink-0 w-6 h-6 flex items-center justify-center rounded-lg hover:bg-state-destructive-hover cursor-pointer group/delete'
+                                onClick={(e) => {
+                                  e.stopPropagation()
+                                  setShowModal(true)
+                                }
+                                }>
+                                <RiDeleteBinLine className='w-4 h-4 text-text-tertiary group-hover/delete:text-text-destructive' />
+                              </div>
+                            </Tooltip>
+                            <Divider type="vertical" className="h-3.5 bg-divider-regular" />
+                          </>
+                        )}
+                        <div
+                          onClick={(e: React.MouseEvent<HTMLDivElement, MouseEvent>) =>
+                            e.stopPropagation()
+                          }
+                          className="flex items-center"
+                        >
+                          <Switch
+                            size='md'
+                            disabled={archived || detail.status !== 'completed'}
+                            defaultValue={enabled}
+                            onChange={async (val) => {
+                              await onChangeSwitch?.(val, id)
+                            }}
+                          />
                         </div>
-                      )}
-                    </>
-                  )}
-              </div>
-              : null}
-          </>
-          : (
-            score !== null
-              ? (
-                <div className=''>
-                  <div className='' />
-                  <ProgressBar percent={score ?? 0} loading={loading} />
-                </div>
-              )
-              : null
-          )}
+                      </div>
+                    )}
+                  </>
+                )}
+            </div>
+            : null}
+        </>
       </div>
       {loading
         ? (
@@ -277,50 +193,32 @@ const SegmentCard: FC<ISegmentCardProps> = ({
           </div>
         )
         : (
-          isDocScene
-            ? <>
-              <div className={cn('text-text-secondary body-md-regular -tracking-[0.07px] mt-0.5',
-                textOpacity,
-                isCollapsed ? 'line-clamp-2' : 'line-clamp-20',
-              )}>
-                {renderContent()}
-              </div>
-              {isGeneralMode && <div className={cn('flex items-center gap-x-2 py-1.5', textOpacity)}>
-                {keywords?.map(keyword => <Tag key={keyword} text={keyword} />)}
-              </div>}
-              {
-                isFullDocMode
-                  ? <button className='mt-0.5 mb-2 text-text-accent system-xs-semibold-uppercase' onClick={() => onClick?.()}>VIEW MORE</button>
-                  : null
-              }
-              {
-                child_chunks.length > 0
-                && <ChildSegmentList
-                  childChunks={child_chunks}
-                  handleInputChange={() => {}}
-                  enabled={enabled}
-                />
-              }
-            </>
-            : <>
-              <div className='text-text-secondary body-md-regular -tracking-[0.07px]'>
-                {renderContent()}
-              </div>
-              <div className=''>
-                <Divider />
-                <div className="relative flex items-center w-full pb-1">
-                  <DocumentTitle
-                    name={detail?.document?.name || refSource?.title || ''}
-                    extension={(detail?.document?.name || refSource?.title || '').split('.').pop() || 'txt'}
-                  />
-                  <div className=''>
-                    {isExternal ? t('datasetHitTesting.viewDetail') : t('datasetHitTesting.viewChart')}
-                    <RiArrowRightUpLine className="w-3.5 h-3.5 ml-1" />
-                  </div>
-                </div>
-              </div>
-            </>
-        )}
+          <>
+            <div className={cn('text-text-secondary body-md-regular -tracking-[0.07px] mt-0.5',
+              textOpacity,
+              isCollapsed ? 'line-clamp-2' : 'line-clamp-20',
+            )}>
+              {renderContent()}
+            </div>
+            {isGeneralMode && <div className={cn('flex items-center gap-x-2 py-1.5', textOpacity)}>
+              {keywords?.map(keyword => <Tag key={keyword} text={keyword} />)}
+            </div>}
+            {
+              isFullDocMode
+                ? <button className='mt-0.5 mb-2 text-text-accent system-xs-semibold-uppercase' onClick={() => onClick?.()}>VIEW MORE</button>
+                : null
+            }
+            {
+              child_chunks.length > 0
+              && <ChildSegmentList
+                childChunks={child_chunks}
+                handleInputChange={() => {}}
+                enabled={enabled}
+              />
+            }
+          </>
+        )
+      }
       {showModal
         && <Confirm
           isShow={showModal}
diff --git a/web/app/components/datasets/documents/detail/completed/segment-detail.tsx b/web/app/components/datasets/documents/detail/completed/segment-detail.tsx
index 5b21ab05c7..5f9262cab9 100644
--- a/web/app/components/datasets/documents/detail/completed/segment-detail.tsx
+++ b/web/app/components/datasets/documents/detail/completed/segment-detail.tsx
@@ -8,6 +8,7 @@ import { useDocumentContext } from '../index'
 import ActionButtons from './common/action-buttons'
 import ChunkContent from './common/chunk-content'
 import Keywords from './common/keywords'
+import RegenerationModal from './common/regeneration-modal'
 import { SegmentIndexTag, useSegmentListContext } from './index'
 import type { SegmentDetailModel } from '@/models/datasets'
 import { useEventEmitterContextContext } from '@/context/event-emitter'
@@ -17,7 +18,7 @@ import Divider from '@/app/components/base/divider'
 
 type ISegmentDetailProps = {
   segInfo?: Partial<SegmentDetailModel> & { id: string }
-  onUpdate: (segmentId: string, q: string, a: string, k: string[], needRegenerate: boolean) => void
+  onUpdate: (segmentId: string, q: string, a: string, k: string[], needRegenerate?: boolean) => void
   onCancel: () => void
   isEditMode?: boolean
   docForm: string
@@ -39,13 +40,14 @@ const SegmentDetail: FC<ISegmentDetailProps> = ({
   const [keywords, setKeywords] = useState<string[]>(segInfo?.keywords || [])
   const { eventEmitter } = useEventEmitterContextContext()
   const [loading, setLoading] = useState(false)
+  const [showRegenerationModal, setShowRegenerationModal] = useState(false)
   const [fullScreen, toggleFullScreen] = useSegmentListContext(s => [s.fullScreen, s.toggleFullScreen])
-  const [mode] = useDocumentContext(s => s.mode)
+  const mode = useDocumentContext(s => s.mode)
 
   eventEmitter?.useSubscription((v) => {
     if (v === 'update-segment')
       setLoading(true)
-    else
+    if (v === 'update-segment-done')
       setLoading(false)
   })
 
@@ -56,8 +58,20 @@ const SegmentDetail: FC<ISegmentDetailProps> = ({
     setKeywords(segInfo?.keywords || [])
   }
 
-  const handleSave = (needRegenerate = false) => {
-    onUpdate(segInfo?.id || '', question, answer, keywords, needRegenerate)
+  const handleSave = () => {
+    onUpdate(segInfo?.id || '', question, answer, keywords)
+  }
+
+  const handleRegeneration = () => {
+    setShowRegenerationModal(true)
+  }
+
+  const onCancelRegeneration = () => {
+    setShowRegenerationModal(false)
+  }
+
+  const onConfirmRegeneration = () => {
+    onUpdate(segInfo?.id || '', question, answer, keywords, true)
   }
 
   return (
@@ -74,7 +88,12 @@ const SegmentDetail: FC<ISegmentDetailProps> = ({
         <div className='flex items-center'>
           {isEditMode && fullScreen && (
             <>
-              <ActionButtons handleCancel={handleCancel} handleSave={handleSave} loading={loading} />
+              <ActionButtons
+                handleCancel={handleCancel}
+                handleRegeneration={handleRegeneration}
+                handleSave={handleSave}
+                loading={loading}
+              />
               <Divider type='vertical' className='h-3.5 bg-divider-regular ml-4 mr-2' />
             </>
           )}
@@ -108,9 +127,19 @@ const SegmentDetail: FC<ISegmentDetailProps> = ({
       </div>
       {isEditMode && !fullScreen && (
         <div className='flex items-center justify-end p-4 pt-3 border-t-[1px] border-t-divider-subtle'>
-          <ActionButtons handleCancel={handleCancel} handleSave={handleSave} loading={loading} />
+          <ActionButtons
+            handleCancel={handleCancel}
+            handleRegeneration={handleRegeneration}
+            handleSave={handleSave}
+            loading={loading}
+          />
         </div>
       )}
+      <RegenerationModal
+        isShow={showRegenerationModal}
+        onConfirm={onConfirmRegeneration}
+        onCancel={onCancelRegeneration}
+      />
     </div>
   )
 }
diff --git a/web/app/components/datasets/hit-testing/assets/test-data.ts b/web/app/components/datasets/hit-testing/assets/test-data.ts
index 39a9788afa..623f7e587c 100644
--- a/web/app/components/datasets/hit-testing/assets/test-data.ts
+++ b/web/app/components/datasets/hit-testing/assets/test-data.ts
@@ -1,4 +1,6 @@
-export const generalResultData = [
+import type { HitTesting } from '@/models/datasets'
+
+export const generalResultData: HitTesting[] = [
   {
     segment: {
       id: 'b621b153-f8a7-4e85-bd3d-07feaf61bd9e',
@@ -40,7 +42,13 @@ export const generalResultData = [
         doc_type: null,
       },
     },
-    child_chunks: null,
+    child_chunks: [
+      {
+        id: '1',
+        score: 0.8771945,
+        content: 'It is quite natural for academics who are continuously told to “publish or perish” to want to always create something from scratch that is their own fresh creation.',
+      },
+    ],
     score: 0.8771945,
     tsne_position: null,
   },
diff --git a/web/app/components/datasets/hit-testing/components/child-chunks-item.tsx b/web/app/components/datasets/hit-testing/components/child-chunks-item.tsx
new file mode 100644
index 0000000000..b685689b2e
--- /dev/null
+++ b/web/app/components/datasets/hit-testing/components/child-chunks-item.tsx
@@ -0,0 +1,31 @@
+'use client'
+import type { FC } from 'react'
+import React from 'react'
+import { useTranslation } from 'react-i18next'
+import { SliceContent, SliceLabel } from '../../formatted-text/flavours/shared'
+import cn from '@/utils/classnames'
+import type { HitTestingChildChunk } from '@/models/datasets'
+
+type Props = {
+  payload: HitTestingChildChunk
+  isShowAll: boolean
+}
+
+const ChildChunks: FC<Props> = ({
+  payload,
+  isShowAll,
+}) => {
+  const { t } = useTranslation()
+  const { id, score, content } = payload
+  return (
+    <div className='flex items-center space-x-2'>
+      <SliceLabel>
+        {id} {score}
+      </SliceLabel>
+      <SliceContent className={cn(!isShowAll && 'line-clamp-2')}>
+        {content}
+      </SliceContent>
+    </div>
+  )
+}
+export default React.memo(ChildChunks)
diff --git a/web/app/components/datasets/hit-testing/components/chunk-detail-modal.tsx b/web/app/components/datasets/hit-testing/components/chunk-detail-modal.tsx
new file mode 100644
index 0000000000..51c6ec0343
--- /dev/null
+++ b/web/app/components/datasets/hit-testing/components/chunk-detail-modal.tsx
@@ -0,0 +1,87 @@
+'use client'
+import type { FC } from 'react'
+import React from 'react'
+import { useTranslation } from 'react-i18next'
+import { SegmentIndexTag } from '../../documents/detail/completed'
+import Dot from '../../documents/detail/completed/common/dot'
+import Score from './score'
+import ChildChunksItem from './child-chunks-item'
+import Modal from '@/app/components/base/modal'
+import type { HitTesting } from '@/models/datasets'
+import FileIcon from '@/app/components/base/file-uploader/file-type-icon'
+import type { FileAppearanceTypeEnum } from '@/app/components/base/file-uploader/types'
+import cn from '@/utils/classnames'
+import Tag from '@/app/components/datasets/documents/detail/completed/common/tag'
+
+type Props = {
+  payload: HitTesting
+  onHide: () => void
+}
+
+const ChunkDetailModal: FC<Props> = ({
+  payload,
+  onHide,
+}) => {
+  const { t } = useTranslation()
+  const { segment, score, child_chunks } = payload
+  const { position, word_count, content, keywords, document } = segment
+  const isParentChildRetrieval = !!(child_chunks && child_chunks.length > 0)
+  const extension = document.name.split('.').slice(0, -1)[0] as FileAppearanceTypeEnum
+
+  return (
+    <Modal
+      title={t('dataset.chunkDetail')}
+      isShow
+      closable
+      onClose={onHide}
+      className={cn(isParentChildRetrieval ? '!min-w-[1200px]' : '!min-w-[720px]')}
+    >
+      <div className='flex h-'>
+        <div>
+          {/* Meta info */}
+          <div className='flex justify-between items-center'>
+            <div className='grow flex items-center space-x-2'>
+              <SegmentIndexTag
+                isParentChildRetrieval={isParentChildRetrieval}
+                positionId={position}
+                className={cn('w-fit group-hover:opacity-100')}
+              />
+              <Dot />
+              <div className='flex items-center space-x-1'>
+                <FileIcon type={extension} size='sm' />
+                <span className='grow w-0 truncate text-text-secondary text-[13px] font-normal'>{document.name}</span>
+              </div>
+            </div>
+            <Score value={score} />
+          </div>
+          <div className=' max-h-[752px] overflow-y-auto'>
+            {content}
+          </div>
+          {!isParentChildRetrieval && keywords && keywords.length > 0 && (
+            <div>
+              <div>{t('dataset.keywords')}</div>
+              <div className='flex flex-wrap'>
+                {keywords.map(keyword => (
+                  <Tag key={keyword} text={keyword} className='mr-2' />
+                ))}
+              </div>
+            </div>
+          )}
+        </div>
+
+        {isParentChildRetrieval && (
+          <div className='shrink-0 w-[552px] px-6'>
+            <div>{t('dataset.hitChunks', { num: child_chunks.length })}</div>
+            <div className='space-y-2'>
+              {child_chunks.map(item => (
+                <ChildChunksItem key={item.id} payload={item} isShowAll />
+              ))}
+            </div>
+          </div>
+        )}
+      </div>
+    </Modal>
+  )
+}
+
+export default React.memo(ChunkDetailModal)
diff --git a/web/app/components/datasets/hit-testing/components/result-item.tsx b/web/app/components/datasets/hit-testing/components/result-item.tsx
index 35d9d1bdf9..e1e51bfbe9 100644
--- a/web/app/components/datasets/hit-testing/components/result-item.tsx
+++ b/web/app/components/datasets/hit-testing/components/result-item.tsx
@@ -2,9 +2,19 @@
 import type { FC } from 'react'
 import React from 'react'
 import { useTranslation } from 'react-i18next'
+import { RiArrowDownSLine, RiArrowRightSLine, RiArrowRightUpLine } from '@remixicon/react'
+import { useBoolean } from 'ahooks'
 import { SegmentIndexTag } from '../../documents/detail/completed'
+import Dot from '../../documents/detail/completed/common/dot'
+import Score from './score'
+import ChildChunkItem from './child-chunks-item'
+import ChunkDetailModal from './chunk-detail-modal'
 import type { HitTesting } from '@/models/datasets'
 import cn from '@/utils/classnames'
+import FileIcon from '@/app/components/base/file-uploader/file-type-icon'
+import type { FileAppearanceTypeEnum } from '@/app/components/base/file-uploader/types'
+import Tag from '@/app/components/datasets/documents/detail/completed/common/tag'
+
 type Props = {
   payload: HitTesting
 }
@@ -13,20 +23,81 @@ const ResultItem: FC<Props> = ({
   payload,
 }) => {
   const { t } = useTranslation()
-  const { segment } = payload
-  const { position, word_count } = segment
+  const { segment, score, child_chunks } = payload
+  const { position, word_count, content, keywords, document } = segment
+  const isParentChildRetrieval = !!(child_chunks && child_chunks.length > 0)
+  const extension = document.name.split('.').slice(0, -1)[0] as FileAppearanceTypeEnum
+  const [isFold, {
+    toggle: toggleFold,
+  }] = useBoolean(false)
+  const Icon = isFold ? RiArrowRightSLine : RiArrowDownSLine
+
+  const [isShowDetailModal, {
+    setTrue: showDetailModal,
+    setFalse: hideDetailModal,
+  }] = useBoolean(false)
 
   return (
-    <div>
-      <div className='flex justify-between items-center'>
+    <div className='pt-3 bg-chat-bubble-bg rounded-xl hover:shadow-lg'>
+      {/* Meta info */}
+      <div className='flex justify-between items-center px-3'>
         <div className='flex items-center space-x-2'>
-          <SegmentIndexTag positionId={position} className={cn('w-fit group-hover:opacity-100')} />
-          <div className='text-xs font-medium text-text-quaternary'>·</div>
+          <SegmentIndexTag
+            isParentChildRetrieval={isParentChildRetrieval}
+            positionId={position}
+            className={cn('w-fit group-hover:opacity-100')}
+          />
+          <Dot />
           <div className='system-xs-medium text-text-tertiary'>{word_count} {t('datasetDocuments.segment.characters')}</div>
         </div>
-        {/* Score */}
+        <Score value={score} />
       </div>
 
+      {/* Main */}
+      <div className='px-3'>
+        <div className='line-clamp-2'>{content}</div>
+        {isParentChildRetrieval && (
+          <div>
+            <div className='flex items-center space-x-0.5 text-text-secondary' onClick={toggleFold}>
+              <Icon className={cn('w-4 h-4', isFold && 'opacity-50')} />
+              <div>{t('dataset.hitChunks', { num: child_chunks.length })}</div>
+            </div>
+            {child_chunks.map(item => (
+              <ChildChunkItem key={item.id} payload={item} isShowAll={false} />
+            ))}
+          </div>
+        )}
+        {!isParentChildRetrieval && keywords && keywords.length > 0 && (
+          <div className='flex flex-wrap'>
+            {keywords.map(keyword => (
+              <Tag key={keyword} text={keyword} className='mr-2' />
+            ))}
+          </div>
+        )}
+      </div>
+      {/* Foot */}
+      <div className='flex justify-between items-center h-10 pl-3 pr-2 border-t border-divider-subtle'>
+        <div className='flex items-center space-x-1'>
+          <FileIcon type={extension} size='sm' />
+          <span className='grow w-0 truncate text-text-secondary text-[13px] font-normal'>{document.name}</span>
+        </div>
+        <div
+          className='flex items-center space-x-1 cursor-pointer text-text-tertiary'
+          onClick={showDetailModal}
+        >
+          <div className='text-xs uppercase'>{t('dataset.open')}</div>
+          <RiArrowRightUpLine className='size-3.5' />
+        </div>
+      </div>
+
+      {
+        isShowDetailModal && (
+          <ChunkDetailModal
+            payload={payload}
+            onHide={hideDetailModal}
+          />
+        )
+      }
     </div>
   )
 }
diff --git a/web/app/components/datasets/hit-testing/components/score.tsx b/web/app/components/datasets/hit-testing/components/score.tsx
new file mode 100644
index 0000000000..650ecd497f
--- /dev/null
+++ b/web/app/components/datasets/hit-testing/components/score.tsx
@@ -0,0 +1,22 @@
+'use client'
+import type { FC } from 'react'
+import React from 'react'
+
+type Props = {
+  value: number
+}
+
+const Score: FC<Props> = ({
+  value,
+}) => {
+  return (
+    <div className='relative items-center px-[5px] rounded-md border border-components-progress-bar-border overflow-hidden'>
+      <div className='absolute top-0 left-0 h-full bg-util-colors-blue-brand-blue-brand-100 border-r-[1.5px] border-components-progress-brand-progress ' style={{ width: `${value * 100}%` }} />
+      <div className='relative flex items-center h-4 space-x-0.5 text-util-colors-blue-brand-blue-brand-700'>
+        <div className='system-2xs-medium-uppercase'>score</div>
+        <div className='system-xs-semibold'>{value.toFixed(2)}</div>
+      </div>
+    </div>
+  )
+}
+export default React.memo(Score)
diff --git a/web/app/components/datasets/hit-testing/index.tsx b/web/app/components/datasets/hit-testing/index.tsx
index bf3c02a84f..f82edf0267 100644
--- a/web/app/components/datasets/hit-testing/index.tsx
+++ b/web/app/components/datasets/hit-testing/index.tsx
@@ -12,6 +12,7 @@ import s from './style.module.css'
 import HitDetail from './hit-detail'
 import ModifyRetrievalModal from './modify-retrieval-modal'
 import { generalResultData } from './assets/test-data'
+import ResultItem from './components/result-item'
 import cn from '@/utils/classnames'
 import type { ExternalKnowledgeBaseHitTestingResponse, ExternalKnowledgeBaseHitTesting as ExternalKnowledgeBaseHitTestingType, HitTestingResponse, HitTesting as HitTestingType } from '@/models/datasets'
 import Loading from '@/app/components/base/loading'
@@ -64,44 +65,26 @@ const HitTesting: FC<Props> = ({ datasetId }: Props) => {
 
   const total = recordsRes?.total || 0
 
-  const onClickCard = (detail: HitTestingType) => {
-    setCurrParagraph({ paraInfo: detail, showModal: true })
-  }
-
-  const onClickExternalCard = (detail: ExternalKnowledgeBaseHitTestingType) => {
-    setExternalCurrParagraph({ paraInfo: detail, showModal: true })
-  }
   const { dataset: currentDataset } = useContext(DatasetDetailContext)
   const isExternal = currentDataset?.provider === 'external'
 
   const [retrievalConfig, setRetrievalConfig] = useState(currentDataset?.retrieval_model_dict as RetrievalConfig)
   const [isShowModifyRetrievalModal, setIsShowModifyRetrievalModal] = useState(false)
   const [isShowRightPanel, { setTrue: showRightPanel, setFalse: hideRightPanel, set: setShowRightPanel }] = useBoolean(!isMobile)
-  const renderHitResults = (results: any[], onClickCard: (record: any) => void) => (
-    <>
-      <div className='text-gray-600 font-semibold mb-4'>{t('datasetHitTesting.hit.title')}</div>
-      <div className='overflow-auto flex-1'>
-        <div className={s.cardWrapper}>
-          {results.map((record, idx) => (
-            <SegmentCard
-              key={idx}
-              loading={false}
-              refSource={{
-                title: record.title,
-                uri: record.metadata ? record.metadata['x-amz-bedrock-kb-source-uri'] : '',
-              }}
-              isExternal={isExternal}
-              detail={record.segment}
-              contentExternal={record.content}
-              score={record.score}
-              scene='hitTesting'
-              className='h-[216px] mb-4'
-              onClick={() => onClickCard(record)}
-            />
-          ))}
-        </div>
+  const renderHitResults = (results: any[]) => (
+    <div className='h-full flex flex-col py-3 px-4 rounded-t-2xl bg-background-body'>
+      <div className='shrink-0 pl-2 text-text-primary font-semibold leading-6 mb-2'>
+        {t('datasetHitTesting.hit.title', { num: results.length })}
       </div>
-    </>
+      <div className='grow overflow-y-auto space-y-2'>
+        {results.map((record, idx) => (
+          <ResultItem
+            key={idx}
+            payload={record}
+          />
+        ))}
+      </div>
+    </div>
   )
 
   const renderEmptyState = () => (
@@ -190,8 +173,8 @@ const HitTesting: FC<Props> = ({ datasetId }: Props) => {
             )}
       </div>
       <FloatRightContainer panelClassname='!justify-start !overflow-y-auto' showClose isMobile={isMobile} isOpen={isShowRightPanel} onClose={hideRightPanel} footer={null}>
-        <div className={cn(s.rightDiv, 'p-0 sm:px-8 sm:pt-[42px] sm:pb-[26px]')}>
-          {renderHitResults(generalResultData, onClickCard)}
+        <div className={cn(s.rightDiv, 'pt-3')}>
+          {renderHitResults(generalResultData)}
           {submitLoading
             ? <div className={s.cardWrapper}>
               <SegmentCard
@@ -211,9 +194,9 @@ const HitTesting: FC<Props> = ({ datasetId }: Props) => {
                   return renderEmptyState()
 
                 if (hitResult?.records.length)
-                  return renderHitResults(hitResult.records, onClickCard)
+                  return renderHitResults(hitResult.records)
 
-                return renderHitResults(externalHitResult?.records || [], onClickExternalCard)
+                return renderHitResults(externalHitResult?.records || [])
               })()
             )
           }
diff --git a/web/app/components/datasets/hit-testing/style.module.css b/web/app/components/datasets/hit-testing/style.module.css
index 1e90902a70..7d83b8abb6 100644
--- a/web/app/components/datasets/hit-testing/style.module.css
+++ b/web/app/components/datasets/hit-testing/style.module.css
@@ -5,7 +5,7 @@
   @apply flex-1 h-full;
 }
 .leftDiv {
-  @apply border-r border-gray-100 px-6 py-3 flex flex-col;
+  @apply px-6 py-3 flex flex-col;
 }
 .rightDiv {
   @apply flex flex-col;
diff --git a/web/i18n/en-US/common.ts b/web/i18n/en-US/common.ts
index 6b60a7a5cc..f2cef3f0c6 100644
--- a/web/i18n/en-US/common.ts
+++ b/web/i18n/en-US/common.ts
@@ -42,6 +42,8 @@ const translation = {
     zoomOut: 'Zoom Out',
     zoomIn: 'Zoom In',
     openInNewTab: 'Open in new tab',
+    saveAndRegenerate: 'Save & Regenerate Child Chunks',
+    close: 'Close',
   },
   errorMsg: {
     fieldRequired: '{{field}} is required',
diff --git a/web/i18n/en-US/dataset-documents.ts b/web/i18n/en-US/dataset-documents.ts
index 11f0cd4127..00eafb7a2e 100644
--- a/web/i18n/en-US/dataset-documents.ts
+++ b/web/i18n/en-US/dataset-documents.ts
@@ -353,7 +353,12 @@ const translation = {
     delete: 'Delete this chunk ?',
     chunkAdded: '1 chunk added',
     viewAddedChunk: 'View',
-    saveAndRegenerate: 'Save & Regenerate Child Chunks',
+    regenerationConfirmTitle: 'Do you want to regenerate child chunks?',
+    regenerationConfirmMessage: 'Regenerating child chunks will overwrite the current child chunks, including edited chunks and newly added chunks. The regeneration cannot be undone.',
+    regeneratingTitle: 'Regenerating child chunks',
+    regeneratingMessage: 'This may take a moment, please wait...',
+    regenerationSuccessTitle: 'Regeneration completed',
+    regenerationSuccessMessage: 'You can close this window.',
   },
 }
 
diff --git a/web/i18n/en-US/dataset-hit-testing.ts b/web/i18n/en-US/dataset-hit-testing.ts
index 6dbfa47fee..385d68c771 100644
--- a/web/i18n/en-US/dataset-hit-testing.ts
+++ b/web/i18n/en-US/dataset-hit-testing.ts
@@ -19,7 +19,7 @@ const translation = {
     testing: 'Testing',
   },
   hit: {
-    title: 'RETRIEVAL PARAGRAPHS',
+    title: '{{num}} Retrieved Chunks',
     emptyTip: 'Retrieval Testing results will show here',
   },
   noRecentTip: 'No recent query results here',
diff --git a/web/i18n/zh-Hans/common.ts b/web/i18n/zh-Hans/common.ts
index ec4b0acf9f..7c74b08d73 100644
--- a/web/i18n/zh-Hans/common.ts
+++ b/web/i18n/zh-Hans/common.ts
@@ -42,6 +42,8 @@ const translation = {
     zoomOut: '缩小',
     zoomIn: '放大',
     openInNewTab: '在新标签页打开',
+    saveAndRegenerate: '保存并重新生成子分段',
+    close: '关闭',
   },
   errorMsg: {
     fieldRequired: '{{field}} 为必填项',
diff --git a/web/i18n/zh-Hans/dataset-documents.ts b/web/i18n/zh-Hans/dataset-documents.ts
index 824da98850..18378c9154 100644
--- a/web/i18n/zh-Hans/dataset-documents.ts
+++ b/web/i18n/zh-Hans/dataset-documents.ts
@@ -351,7 +351,12 @@ const translation = {
     delete: '删除这个分段？',
     chunkAdded: '新增一个分段',
     viewAddedChunk: '查看',
-    saveAndRegenerate: '保存并重新生成子分段',
+    regenerationConfirmTitle: '是否需要重新生成子分段？',
+    regenerationConfirmMessage: '重新生成的子分段将会覆盖当前的子分段，包括编辑过的分段和新添加的分段。重新生成操作无法撤销。',
+    regeneratingTitle: '正在生成子分段',
+    regeneratingMessage: '生成子分段需要一些时间，请耐心等待...',
+    regenerationSuccessTitle: '子分段已重新生成',
+    regenerationSuccessMessage: '可以关闭窗口',
   },
 }
 
diff --git a/web/i18n/zh-Hans/dataset-hit-testing.ts b/web/i18n/zh-Hans/dataset-hit-testing.ts
index 09cfdc2824..6aba135c71 100644
--- a/web/i18n/zh-Hans/dataset-hit-testing.ts
+++ b/web/i18n/zh-Hans/dataset-hit-testing.ts
@@ -19,7 +19,7 @@ const translation = {
     testing: '测试',
   },
   hit: {
-    title: '召回段落',
+    title: '{{num}} 个召回段落',
     emptyTip: '召回测试结果将展示在这里',
   },
   noRecentTip: '最近无查询结果',
diff --git a/web/models/datasets.ts b/web/models/datasets.ts
index 10495f19e7..72e7d3751d 100644
--- a/web/models/datasets.ts
+++ b/web/models/datasets.ts
@@ -479,10 +479,16 @@ export type HitTestingRecord = {
   created_at: number
 }
 
+export type HitTestingChildChunk = {
+  id: string
+  content: string
+  score: number
+}
 export type HitTesting = {
   segment: Segment
   score: number
   tsne_position: TsnePosition
+  child_chunks?: HitTestingChildChunk[] | null
 }
 
 export type ExternalKnowledgeBaseHitTesting = {