diff --git a/web/app/components/app/configuration/config-var/select-var-type.tsx b/web/app/components/app/configuration/config-var/select-var-type.tsx
index f82e931882..485f9932f3 100644
--- a/web/app/components/app/configuration/config-var/select-var-type.tsx
+++ b/web/app/components/app/configuration/config-var/select-var-type.tsx
@@ -2,7 +2,6 @@
 import type { FC } from 'react'
 import React, { useState } from 'react'
 import { useTranslation } from 'react-i18next'
-import cn from '@/utils/classnames'
 import OperationBtn from '@/app/components/app/configuration/base/operation-btn'
 import {
   PortalToFollowElem,
@@ -28,11 +27,11 @@ type ItemProps = {
 const SelectItem: FC<ItemProps> = ({ text, type, value, Icon, onClick }) => {
   return (
     <div
-      className='flex h-8 cursor-pointer items-center rounded-lg px-3 hover:bg-gray-50'
+      className='flex h-8 cursor-pointer items-center rounded-lg px-3 hover:bg-state-base-hover'
       onClick={() => onClick(value)}
     >
-      {Icon ? <Icon className='h-4 w-4 text-gray-500' /> : <InputVarTypeIcon type={type!} className='h-4 w-4 text-gray-500' />}
-      <div className='ml-2 truncate text-xs text-gray-600'>{text}</div>
+      {Icon ? <Icon className='h-4 w-4 text-text-secondary' /> : <InputVarTypeIcon type={type!} className='h-4 w-4 text-text-secondary' />}
+      <div className='ml-2 truncate text-xs text-text-primary'>{text}</div>
     </div>
   )
 }
@@ -57,17 +56,17 @@ const SelectVarType: FC<Props> = ({
       }}
     >
       <PortalToFollowElemTrigger onClick={() => setOpen(v => !v)}>
-        <OperationBtn type='add' className={cn(open && 'bg-gray-200')} />
+        <OperationBtn type='add' />
       </PortalToFollowElemTrigger>
       <PortalToFollowElemContent style={{ zIndex: 1000 }}>
-        <div className='min-w-[192px] rounded-lg border border-gray-200 bg-white shadow-lg'>
+        <div className='min-w-[192px] rounded-lg border border-components-panel-border bg-components-panel-bg-blur shadow-lg backdrop-blur-sm'>
           <div className='p-1'>
             <SelectItem type={InputVarType.textInput} value='string' text={t('appDebug.variableConfig.string')} onClick={handleChange}></SelectItem>
             <SelectItem type={InputVarType.paragraph} value='paragraph' text={t('appDebug.variableConfig.paragraph')} onClick={handleChange}></SelectItem>
             <SelectItem type={InputVarType.select} value='select' text={t('appDebug.variableConfig.select')} onClick={handleChange}></SelectItem>
             <SelectItem type={InputVarType.number} value='number' text={t('appDebug.variableConfig.number')} onClick={handleChange}></SelectItem>
           </div>
-          <div className='h-[1px] bg-gray-100'></div>
+          <div className='h-[1px] border-t border-components-panel-border'></div>
           <div className='p-1'>
             <SelectItem Icon={ApiConnection} value='api' text={t('appDebug.variableConfig.apiBasedVar')} onClick={handleChange}></SelectItem>
           </div>