diff --git a/packages/components/scrollbar/__tests__/scrollbar.test.tsx b/packages/components/scrollbar/__tests__/scrollbar.test.tsx
index 9d4aa24eb8..a313f95c7d 100644
--- a/packages/components/scrollbar/__tests__/scrollbar.test.tsx
+++ b/packages/components/scrollbar/__tests__/scrollbar.test.tsx
@@ -30,11 +30,11 @@ describe('ScrollBar', () => {
 
     await makeScroll(scrollDom, 'scrollTop', 100)
     expect(wrapper.find('.is-vertical div').attributes('style')).toContain(
-      'height: 80px; transform: translateY(50%);'
+      'transform: translateY(50%); height: 80px;'
     )
     await makeScroll(scrollDom, 'scrollTop', 300)
     expect(wrapper.find('.is-vertical div').attributes('style')).toContain(
-      'height: 80px; transform: translateY(150%);'
+      'transform: translateY(150%); height: 80px;'
     )
     offsetHeightRestore()
     scrollHeightRestore()
@@ -64,11 +64,11 @@ describe('ScrollBar', () => {
 
     await makeScroll(scrollDom, 'scrollLeft', 100)
     expect(wrapper.find('.is-horizontal div').attributes('style')).toContain(
-      'width: 80px; transform: translateX(50%);'
+      'transform: translateX(50%); width: 80px;'
     )
     await makeScroll(scrollDom, 'scrollLeft', 300)
     expect(wrapper.find('.is-horizontal div').attributes('style')).toContain(
-      'width: 80px; transform: translateX(150%);'
+      'transform: translateX(150%); width: 80px;'
     )
     offsetWidthRestore()
     scrollWidthRestore()
@@ -111,18 +111,18 @@ describe('ScrollBar', () => {
     await makeScroll(scrollDom, 'scrollTop', 100)
     await makeScroll(scrollDom, 'scrollLeft', 100)
     expect(wrapper.find('.is-vertical div').attributes('style')).toContain(
-      'height: 80px; transform: translateY(50%);'
+      'transform: translateY(50%); height: 80px;'
     )
     expect(wrapper.find('.is-horizontal div').attributes('style')).toContain(
-      'width: 80px; transform: translateX(50%);'
+      'transform: translateX(50%); width: 80px;'
     )
     await makeScroll(scrollDom, 'scrollTop', 300)
     await makeScroll(scrollDom, 'scrollLeft', 300)
     expect(wrapper.find('.is-vertical div').attributes('style')).toContain(
-      'height: 80px; transform: translateY(150%);'
+      'transform: translateY(150%); height: 80px;'
     )
     expect(wrapper.find('.is-horizontal div').attributes('style')).toContain(
-      'width: 80px; transform: translateX(150%);'
+      'transform: translateX(150%); width: 80px;'
     )
 
     offsetHeightRestore()
@@ -221,10 +221,10 @@ describe('ScrollBar', () => {
     scrollbar.setScrollLeft(100)
     await nextTick()
     expect(wrapper.find('.is-vertical div').attributes('style')).toContain(
-      'height: 80px; transform: translateY(0%);'
+      'transform: translateY(0%); height: 80px;'
     )
     expect(wrapper.find('.is-horizontal div').attributes('style')).toContain(
-      'width: 80px; transform: translateX(0%);'
+      'transform: translateX(0%); width: 80px;'
     )
 
     offsetHeightRestore()
@@ -257,7 +257,7 @@ describe('ScrollBar', () => {
 
     await makeScroll(scrollDom, 'scrollTop', 0)
     expect(wrapper.find('.is-vertical div').attributes('style')).toContain(
-      'height: 20px; transform: translateY(0%);'
+      'transform: translateY(0%); height: 20px;'
     )
     offsetHeightRestore()
     scrollHeightRestore()
diff --git a/packages/components/scrollbar/src/bar.ts b/packages/components/scrollbar/src/bar.ts
index f0d1d4a1b8..4307a0680d 100644
--- a/packages/components/scrollbar/src/bar.ts
+++ b/packages/components/scrollbar/src/bar.ts
@@ -7,15 +7,9 @@ export const barProps = buildProps({
     type: Boolean,
     default: true,
   },
-  width: String,
-  height: String,
-  ratioX: {
+  minSize: {
     type: Number,
-    default: 1,
-  },
-  ratioY: {
-    type: Number,
-    default: 1,
+    required: true,
   },
 } as const)
 export type BarProps = ExtractPropTypes<typeof barProps>
diff --git a/packages/components/scrollbar/src/bar.vue b/packages/components/scrollbar/src/bar.vue
index b673996b01..b5509efde4 100644
--- a/packages/components/scrollbar/src/bar.vue
+++ b/packages/components/scrollbar/src/bar.vue
@@ -1,35 +1,67 @@
 <template>
-  <thumb :move="moveX" :ratio="ratioX" :size="width" :always="always" />
+  <thumb :move="moveX" :ratio="ratioX" :size="sizeWidth" :always="always" />
   <thumb
     :move="moveY"
     :ratio="ratioY"
-    :size="height"
+    :size="sizeHeight"
     vertical
     :always="always"
   />
 </template>
 <script lang="ts" setup>
-import { ref } from 'vue'
+import { inject, ref } from 'vue'
 import { GAP } from './util'
 import Thumb from './thumb.vue'
 import { barProps } from './bar'
+import { scrollbarContextKey } from './constants'
 
 const props = defineProps(barProps)
 
+const scrollbar = inject(scrollbarContextKey)
+
 const moveX = ref(0)
 const moveY = ref(0)
+const sizeWidth = ref('')
+const sizeHeight = ref('')
+const ratioY = ref(1)
+const ratioX = ref(1)
 
 const handleScroll = (wrap: HTMLDivElement) => {
   if (wrap) {
     const offsetHeight = wrap.offsetHeight - GAP
     const offsetWidth = wrap.offsetWidth - GAP
 
-    moveY.value = ((wrap.scrollTop * 100) / offsetHeight) * props.ratioY
-    moveX.value = ((wrap.scrollLeft * 100) / offsetWidth) * props.ratioX
+    moveY.value = ((wrap.scrollTop * 100) / offsetHeight) * ratioY.value
+    moveX.value = ((wrap.scrollLeft * 100) / offsetWidth) * ratioX.value
   }
 }
 
+const update = () => {
+  const wrap = scrollbar?.wrapElement
+  if (!wrap) return
+  const offsetHeight = wrap.offsetHeight - GAP
+  const offsetWidth = wrap.offsetWidth - GAP
+
+  const originalHeight = offsetHeight ** 2 / wrap.scrollHeight
+  const originalWidth = offsetWidth ** 2 / wrap.scrollWidth
+  const height = Math.max(originalHeight, props.minSize)
+  const width = Math.max(originalWidth, props.minSize)
+
+  ratioY.value =
+    originalHeight /
+    (offsetHeight - originalHeight) /
+    (height / (offsetHeight - height))
+  ratioX.value =
+    originalWidth /
+    (offsetWidth - originalWidth) /
+    (width / (offsetWidth - width))
+
+  sizeHeight.value = height + GAP < offsetHeight ? `${height}px` : ''
+  sizeWidth.value = width + GAP < offsetWidth ? `${width}px` : ''
+}
+
 defineExpose({
   handleScroll,
+  update,
 })
 </script>
diff --git a/packages/components/scrollbar/src/scrollbar.vue b/packages/components/scrollbar/src/scrollbar.vue
index be91ca8943..1a9b261d71 100644
--- a/packages/components/scrollbar/src/scrollbar.vue
+++ b/packages/components/scrollbar/src/scrollbar.vue
@@ -20,14 +20,7 @@
       </component>
     </div>
     <template v-if="!native">
-      <bar
-        ref="barRef"
-        :height="sizeHeight"
-        :width="sizeWidth"
-        :always="always"
-        :ratio-x="ratioX"
-        :ratio-y="ratioY"
-      />
+      <bar ref="barRef" :always="always" :min-size="minSize" />
     </template>
   </div>
 </template>
@@ -45,7 +38,6 @@ import {
 import { useEventListener, useResizeObserver } from '@vueuse/core'
 import { addUnit, debugWarn, isNumber, isObject } from '@element-plus/utils'
 import { useNamespace } from '@element-plus/hooks'
-import { GAP } from './util'
 import Bar from './bar.vue'
 import { scrollbarContextKey } from './constants'
 import { scrollbarEmits, scrollbarProps } from './scrollbar'
@@ -69,12 +61,7 @@ let stopResizeListener: (() => void) | undefined = undefined
 const scrollbarRef = ref<HTMLDivElement>()
 const wrapRef = ref<HTMLDivElement>()
 const resizeRef = ref<HTMLElement>()
-
-const sizeWidth = ref('0')
-const sizeHeight = ref('0')
 const barRef = ref<BarInstance>()
-const ratioY = ref(1)
-const ratioX = ref(1)
 
 const wrapStyle = computed<StyleValue>(() => {
   const style: CSSProperties = {}
@@ -135,26 +122,7 @@ const setScrollLeft = (value: number) => {
 }
 
 const update = () => {
-  if (!wrapRef.value) return
-  const offsetHeight = wrapRef.value.offsetHeight - GAP
-  const offsetWidth = wrapRef.value.offsetWidth - GAP
-
-  const originalHeight = offsetHeight ** 2 / wrapRef.value.scrollHeight
-  const originalWidth = offsetWidth ** 2 / wrapRef.value.scrollWidth
-  const height = Math.max(originalHeight, props.minSize)
-  const width = Math.max(originalWidth, props.minSize)
-
-  ratioY.value =
-    originalHeight /
-    (offsetHeight - originalHeight) /
-    (height / (offsetHeight - height))
-  ratioX.value =
-    originalWidth /
-    (offsetWidth - originalWidth) /
-    (width / (offsetWidth - width))
-
-  sizeHeight.value = height + GAP < offsetHeight ? `${height}px` : ''
-  sizeWidth.value = width + GAP < offsetWidth ? `${width}px` : ''
+  barRef.value?.update()
 }
 
 watch(