diff --git a/packages/components/select/src/select.vue b/packages/components/select/src/select.vue
index 8ea49e1836..519d16ca1c 100644
--- a/packages/components/select/src/select.vue
+++ b/packages/components/select/src/select.vue
@@ -281,13 +281,10 @@ import ElScrollbar from '@element-plus/components/scrollbar'
 import ElTag, { tagProps } from '@element-plus/components/tag'
 import ElIcon from '@element-plus/components/icon'
 import { useDeprecateAppendToBody } from '@element-plus/components/popper'
-import {
-  CHANGE_EVENT,
-  UPDATE_MODEL_EVENT,
-  getComponentSize,
-} from '@element-plus/constants'
+import { CHANGE_EVENT, UPDATE_MODEL_EVENT } from '@element-plus/constants'
 import {
   addResizeListener,
+  getComponentSize,
   isValidComponentSize,
   removeResizeListener,
 } from '@element-plus/utils'
diff --git a/packages/components/select/src/useSelect.ts b/packages/components/select/src/useSelect.ts
index 4b02e78345..ab5711a083 100644
--- a/packages/components/select/src/useSelect.ts
+++ b/packages/components/select/src/useSelect.ts
@@ -15,9 +15,13 @@ import {
   CHANGE_EVENT,
   EVENT_CODE,
   UPDATE_MODEL_EVENT,
-  getComponentSize,
 } from '@element-plus/constants'
-import { debugWarn, isKorean, scrollIntoView } from '@element-plus/utils'
+import {
+  debugWarn,
+  getComponentSize,
+  isKorean,
+  scrollIntoView,
+} from '@element-plus/utils'
 import { useLocale, useNamespace, useSize } from '@element-plus/hooks'
 import { formContextKey, formItemContextKey } from '@element-plus/tokens'
 
diff --git a/packages/constants/size.ts b/packages/constants/size.ts
index a157c26ec9..6cca6b3b5b 100644
--- a/packages/constants/size.ts
+++ b/packages/constants/size.ts
@@ -7,7 +7,3 @@ export const componentSizeMap = {
   default: 32,
   small: 24,
 } as const
-
-export const getComponentSize = (size: ComponentSize = 'default') => {
-  return componentSizeMap[size || 'default']
-}
diff --git a/packages/utils/dom/style.ts b/packages/utils/dom/style.ts
index 3892303571..210fa26073 100644
--- a/packages/utils/dom/style.ts
+++ b/packages/utils/dom/style.ts
@@ -1,9 +1,12 @@
 import { isClient } from '@vueuse/core'
-import { isObject } from '../types'
+import { isNumber, isObject, isString } from '../types'
 import { camelize } from '../strings'
 import { entriesOf, keysOf } from '../objects'
+import { debugWarn } from '../error'
 import type { CSSProperties } from 'vue'
 
+const SCOPE = 'utils/dom/style'
+
 export const classNameToArray = (cls = '') =>
   cls.split(' ').filter((item) => !!item.trim())
 
@@ -70,3 +73,13 @@ export const removeStyle = (
     setStyle(element, style, '')
   }
 }
+
+export function addUnit(value?: string | number, defaultUnit = 'px') {
+  if (!value) return ''
+  if (isString(value)) {
+    return value
+  } else if (isNumber(value)) {
+    return `${value}${defaultUnit}`
+  }
+  debugWarn(SCOPE, 'binding value must be a string or number')
+}
diff --git a/packages/utils/vue/index.ts b/packages/utils/vue/index.ts
index 494b4e65f8..10a950634e 100644
--- a/packages/utils/vue/index.ts
+++ b/packages/utils/vue/index.ts
@@ -3,7 +3,7 @@ export * from './icon'
 export * from './install'
 export * from './props'
 export * from './refs'
-export * from './style'
+export * from './size'
 export * from './typescript'
 export * from './validator'
 export * from './vnode'
diff --git a/packages/utils/vue/size.ts b/packages/utils/vue/size.ts
new file mode 100644
index 0000000000..2525be0b79
--- /dev/null
+++ b/packages/utils/vue/size.ts
@@ -0,0 +1,7 @@
+import { componentSizeMap } from '@element-plus/constants'
+
+import type { ComponentSize } from '@element-plus/constants'
+
+export const getComponentSize = (size?: ComponentSize) => {
+  return componentSizeMap[size || 'default']
+}
diff --git a/packages/utils/vue/style.ts b/packages/utils/vue/style.ts
deleted file mode 100644
index a8b7ca7661..0000000000
--- a/packages/utils/vue/style.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-import { isNumber, isString } from '../types'
-import { debugWarn } from '../error'
-
-const SCOPE = 'utils/vue/style'
-
-export function addUnit(
-  value: string | number | undefined,
-  defaultUnit = 'px'
-) {
-  if (!value) return ''
-  if (isString(value)) {
-    return value
-  } else if (isNumber(value)) {
-    return `${value}${defaultUnit}`
-  }
-  debugWarn(SCOPE, 'binding value must be a string or number')
-}