diff --git a/web/app/(commonLayout)/apps/AppCard.tsx b/web/app/(commonLayout)/apps/AppCard.tsx
index e7e1251897..7de801c2c0 100644
--- a/web/app/(commonLayout)/apps/AppCard.tsx
+++ b/web/app/(commonLayout)/apps/AppCard.tsx
@@ -5,8 +5,6 @@ import { useRouter } from 'next/navigation'
 import { useCallback, useEffect, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import { RiMoreFill } from '@remixicon/react'
-import s from './style.module.css'
-import cn from '@/utils/classnames'
 import type { App } from '@/types/app'
 import Confirm from '@/app/components/base/confirm'
 import Toast, { ToastContext } from '@/app/components/base/toast'
@@ -31,6 +29,7 @@ import DSLExportConfirmModal from '@/app/components/workflow/dsl-export-confirm-
 import { fetchWorkflowDraft } from '@/service/workflow'
 import { fetchInstalledAppList } from '@/service/explore'
 import { AppTypeIcon } from '@/app/components/app/type-selector'
+import cn from '@/utils/classnames'
 
 export type AppCardProps = {
   app: App
@@ -227,37 +226,37 @@ const AppCard = ({ app, onRefresh }: AppCardProps) => {
     }
     return (
       <div className="relative w-full py-1" onMouseLeave={onMouseLeave}>
-        <button className={s.actionItem} onClick={onClickSettings}>
-          <span className={s.actionName}>{t('app.editApp')}</span>
+        <button className='h-8 w-[calc(100%_-_8px)] py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-state-base-hover rounded-lg cursor-pointer' onClick={onClickSettings}>
+          <span className='text-text-secondary system-sm-regular'>{t('app.editApp')}</span>
         </button>
         <Divider className="!my-1" />
-        <button className={s.actionItem} onClick={onClickDuplicate}>
-          <span className={s.actionName}>{t('app.duplicate')}</span>
+        <button className='h-8 w-[calc(100%_-_8px)] py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-state-base-hover rounded-lg cursor-pointer' onClick={onClickDuplicate}>
+          <span className='text-text-secondary system-sm-regular'>{t('app.duplicate')}</span>
         </button>
-        <button className={s.actionItem} onClick={onClickExport}>
-          <span className={s.actionName}>{t('app.export')}</span>
+        <button className='h-8 w-[calc(100%_-_8px)] py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-state-base-hover rounded-lg cursor-pointer' onClick={onClickExport}>
+          <span className='text-text-secondary system-sm-regular'>{t('app.export')}</span>
         </button>
         {(app.mode === 'completion' || app.mode === 'chat') && (
           <>
             <Divider className="!my-1" />
             <div
-              className='h-9 py-2 px-3 mx-1 flex items-center hover:bg-gray-50 rounded-lg cursor-pointer'
+              className='h-9 py-2 px-3 mx-1 flex items-center hover:bg-state-base-hover rounded-lg cursor-pointer'
               onClick={onClickSwitch}
             >
-              <span className='text-gray-700 text-sm leading-5'>{t('app.switch')}</span>
+              <span className='text-text-secondary text-sm leading-5'>{t('app.switch')}</span>
             </div>
           </>
         )}
         <Divider className="!my-1" />
-        <button className={s.actionItem} onClick={onClickInstalledApp}>
-          <span className={s.actionName}>{t('app.openInExplore')}</span>
+        <button className='h-8 w-[calc(100%_-_8px)] py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-state-base-hover rounded-lg cursor-pointer' onClick={onClickInstalledApp}>
+          <span className='text-text-secondary system-sm-regular'>{t('app.openInExplore')}</span>
         </button>
         <Divider className="!my-1" />
         <div
-          className={cn(s.actionItem, s.deleteActionItem, 'group')}
+          className='group h-8 w-[calc(100%_-_8px)] py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-state-destructive-hover rounded-lg cursor-pointer'
           onClick={onClickDelete}
         >
-          <span className={cn(s.actionName, 'group-hover:text-red-500')}>
+          <span className='text-text-secondary system-sm-regular group-hover:text-text-destructive'>
             {t('common.operation.delete')}
           </span>
         </div>
diff --git a/web/app/(commonLayout)/apps/style.module.css b/web/app/(commonLayout)/apps/style.module.css
deleted file mode 100644
index 880382ec39..0000000000
--- a/web/app/(commonLayout)/apps/style.module.css
+++ /dev/null
@@ -1,29 +0,0 @@
-
-.commonIcon {
-  @apply w-4 h-4 inline-block align-middle;
-  background-repeat: no-repeat;
-  background-position: center center;
-  background-size: contain;
-}
-.actionIcon {
-  @apply bg-gray-500;
-  mask-image: url(~@/assets/action.svg);
-}
-.actionItem {
-  @apply h-8 py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-gray-100 rounded-lg cursor-pointer;
-  width: calc(100% - 0.5rem);
-}
-.deleteActionItem {
-  @apply hover:bg-red-50 !important;
-}
-.actionName {
-  @apply text-gray-700 text-sm;
-}
-
-/* .completionPic {
-  background-image: url(~@/app/components/app-sidebar/completion.png)
-}
-    
-.expertPic {
-  background-image: url(~@/app/components/app-sidebar/expert.png)
-} */
diff --git a/web/app/(commonLayout)/datasets/DatasetCard.tsx b/web/app/(commonLayout)/datasets/DatasetCard.tsx
index ad83a41dff..016c9dcabb 100644
--- a/web/app/(commonLayout)/datasets/DatasetCard.tsx
+++ b/web/app/(commonLayout)/datasets/DatasetCard.tsx
@@ -84,17 +84,17 @@ const DatasetCard = ({
     }
     return (
       <div className="relative w-full py-1" onMouseLeave={onMouseLeave}>
-        <div className='h-8 py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-gray-100 rounded-lg cursor-pointer' onClick={onClickRename}>
-          <span className='text-gray-700 text-sm'>{t('common.operation.settings')}</span>
+        <div className='h-8 py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-state-base-hover rounded-lg cursor-pointer' onClick={onClickRename}>
+          <span className='text-text-secondary text-sm'>{t('common.operation.settings')}</span>
         </div>
         {props.showDelete && (
           <>
             <Divider className="!my-1" />
             <div
-              className='group h-8 py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-red-50 rounded-lg cursor-pointer'
+              className='group h-8 py-[6px] px-3 mx-1 flex items-center gap-2 hover:bg-state-destructive-hover rounded-lg cursor-pointer'
               onClick={onClickDelete}
             >
-              <span className={cn('text-gray-700 text-sm', 'group-hover:text-red-500')}>
+              <span className={cn('text-text-secondary text-sm', 'group-hover:text-text-destructive')}>
                 {t('common.operation.delete')}
               </span>
             </div>
@@ -135,7 +135,7 @@ const DatasetCard = ({
                 <Tooltip
                   popupContent={t('dataset.unavailableTip')}
                 >
-                  <span className='shrink-0 inline-flex w-max ml-1 px-1 border border-gray-200 rounded-md text-gray-500 text-xs font-normal leading-[18px]'>{t('dataset.unavailable')}</span>
+                  <span className='shrink-0 inline-flex w-max ml-1 px-1 border border-divider-regular rounded-md text-text-tertiary text-xs font-normal leading-[18px]'>{t('dataset.unavailable')}</span>
                 </Tooltip>
               )}
             </div>
@@ -150,9 +150,9 @@ const DatasetCard = ({
                   </>
                   : <>
                     <span>{dataset.document_count}{t('dataset.documentCount')}</span>
-                    <span className='shrink-0 mx-0.5 w-1 text-gray-400'>·</span>
+                    <span className='shrink-0 mx-0.5 w-1 text-text-tertiary'>·</span>
                     <span>{Math.round(dataset.word_count / 1000)}{t('dataset.wordCount')}</span>
-                    <span className='shrink-0 mx-0.5 w-1 text-gray-400'>·</span>
+                    <span className='shrink-0 mx-0.5 w-1 text-text-tertiary'>·</span>
                     <span>{dataset.app_count}{t('dataset.appCount')}</span>
                   </>
                 }
@@ -192,7 +192,7 @@ const DatasetCard = ({
               />
             </div>
           </div>
-          <div className='!hidden group-hover:!flex shrink-0 mx-1 w-[1px] h-[14px] bg-gray-200' />
+          <div className='!hidden group-hover:!flex shrink-0 mx-1 w-[1px] h-[14px] bg-divider-regular' />
           <div className='!hidden group-hover:!flex shrink-0'>
             <CustomPopover
               htmlContent={<Operations showDelete={!isCurrentWorkspaceDatasetOperator} />}
@@ -202,7 +202,7 @@ const DatasetCard = ({
                 <div
                   className='flex items-center justify-center w-8 h-8 cursor-pointer rounded-md'
                 >
-                  <RiMoreFill className='w-4 h-4 text-gray-700' />
+                  <RiMoreFill className='w-4 h-4 text-text-secondary' />
                 </div>
               }
               btnClassName={open =>
diff --git a/web/app/(commonLayout)/datasets/DatasetFooter.tsx b/web/app/(commonLayout)/datasets/DatasetFooter.tsx
index b87098000f..179948dabe 100644
--- a/web/app/(commonLayout)/datasets/DatasetFooter.tsx
+++ b/web/app/(commonLayout)/datasets/DatasetFooter.tsx
@@ -8,9 +8,9 @@ const DatasetFooter = () => {
   return (
     <footer className='px-12 py-6 grow-0 shrink-0'>
       <h3 className='text-xl font-semibold leading-tight text-gradient'>{t('dataset.didYouKnow')}</h3>
-      <p className='mt-1 text-sm font-normal leading-tight text-gray-700'>
-        {t('dataset.intro1')}<span className='inline-flex items-center gap-1 text-blue-600'>{t('dataset.intro2')}</span>{t('dataset.intro3')}<br />
-        {t('dataset.intro4')}<span className='inline-flex items-center gap-1 text-blue-600'>{t('dataset.intro5')}</span>{t('dataset.intro6')}
+      <p className='mt-1 text-sm font-normal leading-tight text-text-secondary'>
+        {t('dataset.intro1')}<span className='inline-flex items-center gap-1 text-text-accent'>{t('dataset.intro2')}</span>{t('dataset.intro3')}<br />
+        {t('dataset.intro4')}<span className='inline-flex items-center gap-1 text-text-accent'>{t('dataset.intro5')}</span>{t('dataset.intro6')}
       </p>
     </footer>
   )
diff --git a/web/app/components/app/duplicate-modal/index.tsx b/web/app/components/app/duplicate-modal/index.tsx
index 25a5cbf6c1..6d071df369 100644
--- a/web/app/components/app/duplicate-modal/index.tsx
+++ b/web/app/components/app/duplicate-modal/index.tsx
@@ -1,8 +1,8 @@
 'use client'
 import React, { useState } from 'react'
 import { useTranslation } from 'react-i18next'
+import { RiCloseLine } from '@remixicon/react'
 import AppIconPicker from '../../base/app-icon-picker'
-import s from './style.module.css'
 import cn from '@/utils/classnames'
 import Modal from '@/app/components/base/modal'
 import Button from '@/app/components/base/button'
@@ -13,7 +13,7 @@ import { useProviderContext } from '@/context/provider-context'
 import AppsFull from '@/app/components/billing/apps-full-in-dialog'
 import type { AppIconType } from '@/types/app'
 
-export interface DuplicateAppModalProps {
+export type DuplicateAppModalProps = {
   appName: string
   icon_type: AppIconType | null
   icon: string
@@ -72,12 +72,14 @@ const DuplicateAppModal = ({
       <Modal
         isShow={show}
         onClose={() => { }}
-        className={cn(s.modal, '!max-w-[480px]', 'px-8')}
+        className={cn('relative !max-w-[480px]', 'px-8')}
       >
-        <span className={s.close} onClick={onHide} />
-        <div className={s.title}>{t('app.duplicateTitle')}</div>
-        <div className={s.content}>
-          <div className={s.subTitle}>{t('explore.appCustomize.subTitle')}</div>
+        <div className='absolute right-4 top-4 p-2 cursor-pointer' onClick={onHide}>
+          <RiCloseLine className='w-4 h-4 text-text-tertiary' />
+        </div>
+        <div className='relative mt-3 mb-9 text-xl font-semibold leading-[30px] text-text-primary'>{t('app.duplicateTitle')}</div>
+        <div className='mb-9 system-sm-regular text-text-secondary'>
+          <div className='mb-2 system-md-medium'>{t('explore.appCustomize.subTitle')}</div>
           <div className='flex items-center justify-between space-x-2'>
             <AppIcon
               size='large'
diff --git a/web/app/components/app/duplicate-modal/style.module.css b/web/app/components/app/duplicate-modal/style.module.css
deleted file mode 100644
index 798a463b8c..0000000000
--- a/web/app/components/app/duplicate-modal/style.module.css
+++ /dev/null
@@ -1,36 +0,0 @@
-.modal {
-  position: relative;
-}
-
-.modal .close {
-  position: absolute;
-  right: 16px;
-  top: 25px;
-  width: 32px;
-  height: 32px;
-  border-radius: 8px;
-  background: center no-repeat url(~@/app/components/datasets/create/assets/close.svg);
-  background-size: 16px;
-  cursor: pointer;
-}
-
-.modal .title {
-  @apply mb-9;
-  font-weight: 600;
-  font-size: 20px;
-  line-height: 30px;
-  color: #101828;
-}
-
-.modal .content {
-  @apply mb-9;
-  font-weight: 400;
-  font-size: 14px;
-  line-height: 20px;
-  color: #101828;
-}
-
-.subTitle {
-  margin-bottom: 8px;
-  font-weight: 500;
-}
\ No newline at end of file
diff --git a/web/app/components/app/switch-app-modal/index.tsx b/web/app/components/app/switch-app-modal/index.tsx
index e1fe809e10..d32f68377b 100644
--- a/web/app/components/app/switch-app-modal/index.tsx
+++ b/web/app/components/app/switch-app-modal/index.tsx
@@ -6,7 +6,6 @@ import { useContext } from 'use-context-selector'
 import { useTranslation } from 'react-i18next'
 import { RiCloseLine } from '@remixicon/react'
 import AppIconPicker from '../../base/app-icon-picker'
-import s from './style.module.css'
 import cn from '@/utils/classnames'
 import Checkbox from '@/app/components/base/checkbox'
 import Button from '@/app/components/base/button'
@@ -25,7 +24,7 @@ import { AlertTriangle } from '@/app/components/base/icons/src/vender/solid/aler
 import AppIcon from '@/app/components/base/app-icon'
 import { useStore as useAppStore } from '@/app/components/app/store'
 
-interface SwitchAppModalProps {
+type SwitchAppModalProps = {
   show: boolean
   appDetail: App
   onSuccess?: () => void
@@ -95,24 +94,24 @@ const SwitchAppModal = ({ show, appDetail, inAppDetail = false, onSuccess, onClo
   return (
     <>
       <Modal
-        className={cn('p-8 max-w-[600px] w-[600px]', s.bg)}
+        className={cn('p-8 max-w-[600px] w-[600px]')}
         isShow={show}
         onClose={() => { }}
       >
         <div className='absolute right-4 top-4 p-2 cursor-pointer' onClick={onClose}>
-          <RiCloseLine className='w-4 h-4 text-gray-500' />
+          <RiCloseLine className='w-4 h-4 text-text-tertiary' />
         </div>
-        <div className='w-12 h-12 p-3 bg-white rounded-xl border-[0.5px] border-gray-100 shadow-xl'>
+        <div className='w-12 h-12 p-3 bg-background-default-burn rounded-xl border-[0.5px] border-divider-regular shadow-xl'>
           <AlertTriangle className='w-6 h-6 text-[rgb(247,144,9)]' />
         </div>
-        <div className='relative mt-3 text-xl font-semibold leading-[30px] text-gray-900'>{t('app.switch')}</div>
-        <div className='my-1 text-gray-500 text-sm leading-5'>
+        <div className='relative mt-3 text-xl font-semibold leading-[30px] text-text-primary'>{t('app.switch')}</div>
+        <div className='my-1 text-text-tertiary text-sm leading-5'>
           <span>{t('app.switchTipStart')}</span>
-          <span className='text-gray-700 font-medium'>{t('app.switchTip')}</span>
+          <span className='text-text-secondary font-medium'>{t('app.switchTip')}</span>
           <span>{t('app.switchTipEnd')}</span>
         </div>
         <div className='pb-4'>
-          <div className='py-2 text-sm font-medium leading-[20px] text-gray-900'>{t('app.switchLabel')}</div>
+          <div className='py-2 text-sm font-medium leading-[20px] text-text-primary'>{t('app.switchLabel')}</div>
           <div className='flex items-center justify-between space-x-2'>
             <AppIcon
               size='large'
@@ -147,7 +146,7 @@ const SwitchAppModal = ({ show, appDetail, inAppDetail = false, onSuccess, onClo
         <div className='pt-6 flex justify-between items-center'>
           <div className='flex items-center'>
             <Checkbox className='shrink-0' checked={removeOriginal} onCheck={() => setRemoveOriginal(!removeOriginal)} />
-            <div className="ml-2 text-sm leading-5 text-gray-700 cursor-pointer" onClick={() => setRemoveOriginal(!removeOriginal)}>{t('app.removeOriginal')}</div>
+            <div className="ml-2 text-sm leading-5 text-text-secondary cursor-pointer" onClick={() => setRemoveOriginal(!removeOriginal)}>{t('app.removeOriginal')}</div>
           </div>
           <div className='flex items-center'>
             <Button className='mr-2' onClick={onClose}>{t('app.newApp.Cancel')}</Button>
diff --git a/web/app/components/app/switch-app-modal/style.module.css b/web/app/components/app/switch-app-modal/style.module.css
deleted file mode 100644
index 14367ec575..0000000000
--- a/web/app/components/app/switch-app-modal/style.module.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bg {
-  background: linear-gradient(180deg, rgba(247, 144, 9, 0.05) 0%, rgba(247, 144, 9, 0.00) 24.41%), #F9FAFB;
-}
diff --git a/web/app/components/base/tag-management/index.tsx b/web/app/components/base/tag-management/index.tsx
index 26d18ffcf7..650e2acd43 100644
--- a/web/app/components/base/tag-management/index.tsx
+++ b/web/app/components/base/tag-management/index.tsx
@@ -64,13 +64,13 @@ const TagManagementModal = ({ show, type }: TagManagementModalProps) => {
       isShow={show}
       onClose={() => setShowTagManagementModal(false)}
     >
-      <div className='relative pb-2 text-xl font-semibold leading-[30px] text-gray-900'>{t('common.tag.manageTags')}</div>
+      <div className='relative pb-2 text-xl font-semibold leading-[30px] text-text-primary'>{t('common.tag.manageTags')}</div>
       <div className='absolute right-4 top-4 p-2 cursor-pointer' onClick={() => setShowTagManagementModal(false)}>
-        <RiCloseLine className='w-4 h-4 text-gray-500' />
+        <RiCloseLine className='w-4 h-4 text-text-tertiary' />
       </div>
       <div className='mt-3 flex flex-wrap gap-2'>
         <input
-          className='shrink-0 w-[100px] px-2 py-1 rounded-lg border border-dashed border-gray-200 text-sm leading-5 text-gray-700 outline-none appearance-none  placeholder:text-gray-300 caret-primary-600 focus:border-solid'
+          className='shrink-0 w-[100px] px-2 py-1 bg-transparent rounded-lg border border-dashed border-divider-regular text-sm leading-5 text-text-secondary outline-none appearance-none  placeholder:text-text-quaternary caret-primary-600 focus:border-solid'
           placeholder={t('common.tag.addNew') || ''}
           autoFocus
           value={name}
diff --git a/web/app/components/base/tag-management/selector.tsx b/web/app/components/base/tag-management/selector.tsx
index 4fdb2c2d8d..0e8a9dd8d8 100644
--- a/web/app/components/base/tag-management/selector.tsx
+++ b/web/app/components/base/tag-management/selector.tsx
@@ -125,8 +125,8 @@ const Panel = (props: PanelProps) => {
   })
 
   return (
-    <div className='relative w-full bg-white rounded-lg border-[0.5px] border-gray-200'>
-      <div className='p-2 border-b-[0.5px] border-black/5'>
+    <div className='relative w-full bg-components-input-bg-hover rounded-lg border-[0.5px] border-components-panel-border'>
+      <div className='p-2 border-b-[0.5px] border-divider-regular'>
         <Input
           showLeftIcon
           showClearIcon
@@ -138,9 +138,9 @@ const Panel = (props: PanelProps) => {
       </div>
       {keywords && notExisted && (
         <div className='p-1'>
-          <div className='flex items-center gap-2 pl-3 py-[6px] pr-2 rounded-lg cursor-pointer hover:bg-gray-100' onClick={createNewTag}>
-            <RiAddLine className='h-4 w-4 text-gray-500' />
-            <div className='grow text-sm text-gray-700 leading-5 truncate'>
+          <div className='flex items-center gap-2 pl-3 py-[6px] pr-2 rounded-lg cursor-pointer hover:bg-state-base-hover' onClick={createNewTag}>
+            <RiAddLine className='h-4 w-4 text-text-tertiary' />
+            <div className='grow text-sm text-text-secondary leading-5 truncate'>
               {`${t('common.tag.create')} `}
               <span className='font-medium'>{`"${keywords}"`}</span>
             </div>
@@ -155,7 +155,7 @@ const Panel = (props: PanelProps) => {
           {filteredSelectedTagList.map(tag => (
             <div
               key={tag.id}
-              className='flex items-center gap-2 pl-3 py-[6px] pr-2 rounded-lg cursor-pointer hover:bg-gray-100'
+              className='flex items-center gap-2 pl-3 py-[6px] pr-2 rounded-lg cursor-pointer hover:bg-state-base-hover'
               onClick={() => selectTag(tag)}
             >
               <Checkbox
@@ -163,13 +163,13 @@ const Panel = (props: PanelProps) => {
                 checked={selectedTagIDs.includes(tag.id)}
                 onCheck={() => { }}
               />
-              <div title={tag.name} className='grow text-sm text-gray-700 leading-5 truncate'>{tag.name}</div>
+              <div title={tag.name} className='grow text-sm text-text-secondary leading-5 truncate'>{tag.name}</div>
             </div>
           ))}
           {filteredTagList.map(tag => (
             <div
               key={tag.id}
-              className='flex items-center gap-2 pl-3 py-[6px] pr-2 rounded-lg cursor-pointer hover:bg-gray-100'
+              className='flex items-center gap-2 pl-3 py-[6px] pr-2 rounded-lg cursor-pointer hover:bg-state-base-hover'
               onClick={() => selectTag(tag)}
             >
               <Checkbox
@@ -177,7 +177,7 @@ const Panel = (props: PanelProps) => {
                 checked={selectedTagIDs.includes(tag.id)}
                 onCheck={() => { }}
               />
-              <div title={tag.name} className='grow text-sm text-gray-700 leading-5 truncate'>{tag.name}</div>
+              <div title={tag.name} className='grow text-sm text-text-secondary leading-5 truncate'>{tag.name}</div>
             </div>
           ))}
         </div>
@@ -185,16 +185,16 @@ const Panel = (props: PanelProps) => {
       {!keywords && !filteredTagList.length && !filteredSelectedTagList.length && (
         <div className='p-1'>
           <div className='p-3 flex flex-col items-center gap-1'>
-            <Tag03 className='h-6 w-6 text-gray-300' />
-            <div className='text-gray-500 text-xs leading-[14px]'>{t('common.tag.noTag')}</div>
+            <Tag03 className='h-6 w-6 text-text-quaternary' />
+            <div className='text-text-tertiary text-xs leading-[14px]'>{t('common.tag.noTag')}</div>
           </div>
         </div>
       )}
       <Divider className='!h-[1px] !my-0' />
       <div className='p-1'>
-        <div className='flex items-center gap-2 pl-3 py-[6px] pr-2 rounded-lg cursor-pointer hover:bg-gray-100' onClick={() => setShowTagManagementModal(true)}>
-          <Tag03 className='h-4 w-4 text-gray-500' />
-          <div className='grow text-sm text-gray-700 leading-5 truncate'>
+        <div className='flex items-center gap-2 pl-3 py-[6px] pr-2 rounded-lg cursor-pointer hover:bg-state-base-hover' onClick={() => setShowTagManagementModal(true)}>
+          <Tag03 className='h-4 w-4 text-text-tertiary' />
+          <div className='grow text-sm text-text-secondary leading-5 truncate'>
             {t('common.tag.manageTags')}
           </div>
         </div>
@@ -232,7 +232,7 @@ const TagSelector: FC<TagSelectorProps> = ({
   const Trigger = () => {
     return (
       <div className={cn(
-        'group/tip relative w-full flex items-center gap-1 px-2 py-[7px] rounded-md cursor-pointer hover:bg-gray-100',
+        'group/tip relative w-full flex items-center gap-1 px-2 py-[7px] rounded-md cursor-pointer hover:bg-state-base-hover',
       )}>
         <Tag01 className='shrink-0 w-3 h-3' />
         <div className='grow text-xs text-start leading-[18px] font-normal truncate'>
@@ -261,8 +261,8 @@ const TagSelector: FC<TagSelectorProps> = ({
           btnElement={<Trigger />}
           btnClassName={open =>
             cn(
-              open ? '!bg-gray-100 !text-gray-700' : '!bg-transparent',
-              '!w-full !p-0 !border-0 !text-gray-500 hover:!bg-gray-100 hover:!text-gray-700',
+              open ? '!bg-state-base-hover !text-text-secondary' : '!bg-transparent',
+              '!w-full !p-0 !border-0 !text-text-tertiary hover:!bg-state-base-hover hover:!text-text-secondary',
             )
           }
           popupClassName='!w-full !ring-0'
diff --git a/web/app/components/base/tag-management/style.module.css b/web/app/components/base/tag-management/style.module.css
deleted file mode 100644
index 14367ec575..0000000000
--- a/web/app/components/base/tag-management/style.module.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bg {
-  background: linear-gradient(180deg, rgba(247, 144, 9, 0.05) 0%, rgba(247, 144, 9, 0.00) 24.41%), #F9FAFB;
-}
diff --git a/web/app/components/base/tag-management/tag-item-editor.tsx b/web/app/components/base/tag-management/tag-item-editor.tsx
index 0605f28cf6..a3a15df8dd 100644
--- a/web/app/components/base/tag-management/tag-item-editor.tsx
+++ b/web/app/components/base/tag-management/tag-item-editor.tsx
@@ -103,29 +103,29 @@ const TagItemEditor: FC<TagItemEditorProps> = ({
 
   return (
     <>
-      <div className={cn('shrink-0 flex items-center gap-0.5 pr-1 pl-2 py-1 rounded-lg border border-gray-200 text-sm leading-5 text-gray-700')}>
+      <div className={cn('shrink-0 flex items-center gap-0.5 pr-1 pl-2 py-1 rounded-lg border border-components-panel-border text-sm leading-5 text-text-secondary')}>
         {!isEditing && (
           <>
-            <div className='text-sm leading-5 text-gray-700'>
+            <div className='text-sm leading-5 text-text-secondary'>
               {tag.name}
             </div>
-            <div className='shrink-0 px-1 text-sm leading-4.5 text-gray-500 font-medium'>{tag.binding_count}</div>
-            <div className='group/edit shrink-0 p-1 rounded-md cursor-pointer hover:bg-black/5' onClick={() => setIsEditing(true)}>
-              <RiEditLine className='w-3 h-3 text-gray-500 group-hover/edit:text-gray-800' />
+            <div className='shrink-0 px-1 text-sm leading-4.5 text-text-tertiary font-medium'>{tag.binding_count}</div>
+            <div className='group/edit shrink-0 p-1 rounded-md cursor-pointer hover:bg-state-base-hover' onClick={() => setIsEditing(true)}>
+              <RiEditLine className='w-3 h-3 text-text-tertiary group-hover/edit:text-text-secondary' />
             </div>
-            <div className='group/remove shrink-0 p-1 rounded-md cursor-pointer hover:bg-black/5' onClick={() => {
+            <div className='group/remove shrink-0 p-1 rounded-md cursor-pointer hover:bg-state-base-hover' onClick={() => {
               if (tag.binding_count)
                 setShowRemoveModal(true)
               else
                 handleRemove()
             }}>
-              <RiDeleteBinLine className='w-3 h-3 text-gray-500 group-hover/remove:text-gray-800' />
+              <RiDeleteBinLine className='w-3 h-3 text-text-tertiary group-hover/remove:text-text-secondary' />
             </div>
           </>
         )}
         {isEditing && (
           <input
-            className='shrink-0 outline-none appearance-none placeholder:text-gray-300 caret-primary-600'
+            className='shrink-0 outline-none appearance-none placeholder:text-text-quaternary caret-primary-600'
             autoFocus
             value={name}
             onChange={e => setName(e.target.value)}
diff --git a/web/app/components/base/tag-management/tag-remove-modal.tsx b/web/app/components/base/tag-management/tag-remove-modal.tsx
index 3e4d08fe3d..e86c2461d2 100644
--- a/web/app/components/base/tag-management/tag-remove-modal.tsx
+++ b/web/app/components/base/tag-management/tag-remove-modal.tsx
@@ -2,7 +2,6 @@
 
 import { useTranslation } from 'react-i18next'
 import { RiCloseLine } from '@remixicon/react'
-import s from './style.module.css'
 import cn from '@/utils/classnames'
 import Button from '@/app/components/base/button'
 import Modal from '@/app/components/base/modal'
@@ -21,21 +20,21 @@ const TagRemoveModal = ({ show, tag, onConfirm, onClose }: TagRemoveModalProps)
 
   return (
     <Modal
-      className={cn('p-8 max-w-[480px] w-[480px]', s.bg)}
+      className={cn('p-8 max-w-[480px] w-[480px]')}
       isShow={show}
       onClose={() => { }}
     >
       <div className='absolute right-4 top-4 p-2 cursor-pointer' onClick={onClose}>
-        <RiCloseLine className='w-4 h-4 text-gray-500' />
+        <RiCloseLine className='w-4 h-4 text-text-tertiary' />
       </div>
-      <div className='w-12 h-12 p-3 bg-white rounded-xl border-[0.5px] border-gray-100 shadow-xl'>
+      <div className='w-12 h-12 p-3 bg-background-default-burn rounded-xl border-[0.5px] border-divider-regular shadow-xl'>
         <AlertTriangle className='w-6 h-6 text-[rgb(247,144,9)]' />
       </div>
-      <div className='mt-3 text-xl font-semibold leading-[30px] text-gray-900'>
+      <div className='mt-3 text-xl font-semibold leading-[30px] text-text-primary'>
         {`${t('common.tag.delete')} `}
         <span>{`"${tag.name}"`}</span>
       </div>
-      <div className='my-1 text-gray-500 text-sm leading-5'>
+      <div className='my-1 text-text-tertiary text-sm leading-5'>
         {t('common.tag.deleteTip')}
       </div>
       <div className='pt-6 flex items-center justify-end'>
diff --git a/web/app/components/datasets/create/website/base/checkbox-with-label.tsx b/web/app/components/datasets/create/website/base/checkbox-with-label.tsx
index 25d40fe076..d055a79490 100644
--- a/web/app/components/datasets/create/website/base/checkbox-with-label.tsx
+++ b/web/app/components/datasets/create/website/base/checkbox-with-label.tsx
@@ -25,7 +25,7 @@ const CheckboxWithLabel: FC<Props> = ({
   return (
     <label className={cn(className, 'flex items-center h-7 space-x-2')}>
       <Checkbox checked={isChecked} onCheck={() => onChange(!isChecked)} />
-      <div className={cn(labelClassName, 'text-sm font-normal text-gray-800')}>{label}</div>
+      <div className={cn(labelClassName, 'text-sm font-normal text-text-secondary')}>{label}</div>
       {tooltip && (
         <Tooltip
           popupContent={
diff --git a/web/app/components/datasets/rename-modal/index.tsx b/web/app/components/datasets/rename-modal/index.tsx
index 22c7f8e988..b215927605 100644
--- a/web/app/components/datasets/rename-modal/index.tsx
+++ b/web/app/components/datasets/rename-modal/index.tsx
@@ -14,7 +14,7 @@ import { ToastContext } from '@/app/components/base/toast'
 import type { DataSet } from '@/models/datasets'
 import { updateDatasetSetting } from '@/service/datasets'
 
-interface RenameDatasetModalProps {
+type RenameDatasetModalProps = {
   show: boolean
   dataset: DataSet
   onSuccess?: () => void
@@ -68,13 +68,13 @@ const RenameDatasetModal = ({ show, dataset, onSuccess, onClose }: RenameDataset
       isShow={show}
       onClose={() => { }}
     >
-      <div className='relative pb-2 text-xl font-medium leading-[30px] text-gray-900'>{t('datasetSettings.title')}</div>
+      <div className='relative pb-2 text-xl font-medium leading-[30px] text-text-primary'>{t('datasetSettings.title')}</div>
       <div className='absolute right-4 top-4 p-2 cursor-pointer' onClick={onClose}>
-        <RiCloseLine className='w-4 h-4 text-gray-500' />
+        <RiCloseLine className='w-4 h-4 text-text-tertiary' />
       </div>
       <div>
         <div className={cn('flex justify-between py-4 flex-wrap items-center')}>
-          <div className='shrink-0 py-2 text-sm font-medium leading-[20px] text-gray-900'>
+          <div className='shrink-0 py-2 text-sm font-medium leading-[20px] text-text-primary'>
             {t('datasetSettings.form.name')}
           </div>
           <Input
@@ -85,7 +85,7 @@ const RenameDatasetModal = ({ show, dataset, onSuccess, onClose }: RenameDataset
           />
         </div>
         <div className={cn('flex justify-between py-4 flex-wrap items-center')}>
-          <div className='shrink-0 py-2 text-sm font-medium leading-[20px] text-gray-900'>
+          <div className='shrink-0 py-2 text-sm font-medium leading-[20px] text-text-primary'>
             {t('datasetSettings.form.desc')}
           </div>
           <div className='w-full'>
diff --git a/web/app/components/explore/create-app-modal/index.tsx b/web/app/components/explore/create-app-modal/index.tsx
index 152f3b9282..08642fb486 100644
--- a/web/app/components/explore/create-app-modal/index.tsx
+++ b/web/app/components/explore/create-app-modal/index.tsx
@@ -14,7 +14,7 @@ import { useProviderContext } from '@/context/provider-context'
 import AppsFull from '@/app/components/billing/apps-full-in-dialog'
 import type { AppIconType } from '@/types/app'
 
-export interface CreateAppModalProps {
+export type CreateAppModalProps = {
   show: boolean
   isEditModal?: boolean
   appName: string
@@ -89,18 +89,18 @@ const CreateAppModal = ({
         className='relative !max-w-[480px] px-8'
       >
         <div className='absolute right-4 top-4 p-2 cursor-pointer' onClick={onHide}>
-          <RiCloseLine className='w-4 h-4 text-gray-500' />
+          <RiCloseLine className='w-4 h-4 text-text-tertiary' />
         </div>
         {isEditModal && (
-          <div className='mb-9 font-semibold text-xl leading-[30px] text-gray-900'>{t('app.editAppTitle')}</div>
+          <div className='mb-9 font-semibold text-xl leading-[30px] text-text-primary'>{t('app.editAppTitle')}</div>
         )}
         {!isEditModal && (
-          <div className='mb-9 font-semibold text-xl leading-[30px] text-gray-900'>{t('explore.appCustomize.title', { name: appName })}</div>
+          <div className='mb-9 font-semibold text-xl leading-[30px] text-text-primary'>{t('explore.appCustomize.title', { name: appName })}</div>
         )}
         <div className='mb-9'>
           {/* icon & name */}
           <div className='pt-2'>
-            <div className='py-2 text-sm font-medium leading-[20px] text-gray-900'>{t('app.newApp.captionName')}</div>
+            <div className='py-2 text-sm font-medium leading-[20px] text-text-primary'>{t('app.newApp.captionName')}</div>
             <div className='flex items-center justify-between space-x-2'>
               <AppIcon
                 size='large'
@@ -121,7 +121,7 @@ const CreateAppModal = ({
           </div>
           {/* description */}
           <div className='pt-2'>
-            <div className='py-2 text-sm font-medium leading-[20px] text-gray-900'>{t('app.newApp.captionDescription')}</div>
+            <div className='py-2 text-sm font-medium leading-[20px] text-text-primary'>{t('app.newApp.captionDescription')}</div>
             <Textarea
               className='resize-none'
               placeholder={t('app.newApp.appDescriptionPlaceholder') || ''}
@@ -133,13 +133,13 @@ const CreateAppModal = ({
           {isEditModal && (appMode === 'chat' || appMode === 'advanced-chat' || appMode === 'agent-chat') && (
             <div className='pt-2'>
               <div className='flex justify-between items-center'>
-                <div className='py-2 text-sm font-medium leading-[20px] text-gray-900'>{t('app.answerIcon.title')}</div>
+                <div className='py-2 text-sm font-medium leading-[20px] text-text-primary'>{t('app.answerIcon.title')}</div>
                 <Switch
                   defaultValue={useIconAsAnswerIcon}
                   onChange={v => setUseIconAsAnswerIcon(v)}
                 />
               </div>
-              <p className='body-xs-regular text-gray-500'>{t('app.answerIcon.descriptionInExplore')}</p>
+              <p className='body-xs-regular text-text-tertiary'>{t('app.answerIcon.descriptionInExplore')}</p>
             </div>
           )}
           {!isEditModal && isAppsFull && <AppsFull loc='app-explore-create' />}