revert https://github.com/langgenius/dify/pull/19497 (19497) (#19807)

Co-authored-by: qingguo <qingguo@lexin.com>

web/app/components/base/logo/dify-logo.tsx

@@ -1,8 +1,8 @@
 'use client'
 import type { FC } from 'react'
-import { WEB_PREFIX } from '@/config'
 import classNames from '@/utils/classnames'
 import useTheme from '@/hooks/use-theme'
+import { basePath } from '@/utils/var'
 
 export type LogoStyle = 'default' | 'monochromeWhite'
 
@@ -35,7 +35,7 @@ const DifyLogo: FC<DifyLogoProps> = ({
 
   return (
     <img
-      src={`${WEB_PREFIX}${logoPathMap[themedStyle]}`}
+      src={`${basePath}${logoPathMap[themedStyle]}`}
       className={classNames('block object-contain', logoSizeMap[size], className)}
       alt='Dify logo'
     />