diff --git a/packages/varlet-ui/src/snackbar-core/SnackbarCore.vue b/packages/varlet-ui/src/snackbar-core/SnackbarCore.vue
index f09182cd814..916050348b1 100644
--- a/packages/varlet-ui/src/snackbar-core/SnackbarCore.vue
+++ b/packages/varlet-ui/src/snackbar-core/SnackbarCore.vue
@@ -35,15 +35,7 @@
 </template>
 
 <script lang="ts">
-import {
-	defineComponent,
-	reactive,
-	computed,
-	watch,
-	ref,
-	Ref,
-	onMounted,
-} from 'vue'
+import { defineComponent, reactive, watch, ref, Ref, onMounted } from 'vue'
 import Loading from '../loading'
 import Button from '../button'
 import { useZIndex } from '../context/zIndex'
diff --git a/packages/varlet-ui/src/snackbar/Snackbar.vue b/packages/varlet-ui/src/snackbar/Snackbar.vue
index 36bb8fb6afb..ba2646df3cc 100644
--- a/packages/varlet-ui/src/snackbar/Snackbar.vue
+++ b/packages/varlet-ui/src/snackbar/Snackbar.vue
@@ -21,10 +21,11 @@
 </template>
 
 <script>
+import { defineComponent } from 'vue'
 import SnackbarCore from '../snackbar-core'
 import { props, emits } from '../snackbar-core/propsEmits'
 
-export default {
+export default defineComponent({
 	name: 'VarSnackbar',
 	components: {
 		[SnackbarCore.name]: SnackbarCore,
@@ -39,5 +40,5 @@ export default {
 			update,
 		}
 	},
-}
+})
 </script>
diff --git a/packages/varlet-ui/src/snackbar/example/index.vue b/packages/varlet-ui/src/snackbar/example/index.vue
index 5abb789c87f..4cacb74c16c 100644
--- a/packages/varlet-ui/src/snackbar/example/index.vue
+++ b/packages/varlet-ui/src/snackbar/example/index.vue
@@ -147,7 +147,7 @@
 <script lang="ts">
 import { defineComponent, ref, Ref, reactive, toRefs } from 'vue'
 import Button from '../../button'
-import Snackbar from '..'
+import Snackbar, { SnackbarType } from '..'
 
 export default defineComponent({
 	name: 'SnackbarExample',
@@ -174,7 +174,7 @@ export default defineComponent({
 		}
 
 		const create = (type: any) => {
-			const snackbar = Snackbar({
+			const snackbar: any = Snackbar({
 				content: "Hello, I'm a snackbar-core",
 				type,
 			})
@@ -183,7 +183,7 @@ export default defineComponent({
 			}, 1000)
 		}
 
-		const createMethod = (type: any) => {
+		const createMethod = (type: SnackbarType) => {
 			Snackbar[type]({
 				content: "Hello, I'm a snackbar-core",
 				forbidClick: type === 'loading',
diff --git a/packages/varlet-ui/src/snackbar/index.ts b/packages/varlet-ui/src/snackbar/index.ts
index 0e4aa3b38bf..f6330f8c94c 100644
--- a/packages/varlet-ui/src/snackbar/index.ts
+++ b/packages/varlet-ui/src/snackbar/index.ts
@@ -1,11 +1,17 @@
-import { h, reactive, TransitionGroup } from 'vue'
+import { h, reactive, TransitionGroup, App, RendererElement } from 'vue'
 import VarSnackbarCore from '../snackbar-core'
 import VarSnackbar from './Snackbar.vue'
 import { mountInstance } from '../utils/components'
-import { isBasicObject } from '../utils/shared'
+import { isBaseObject } from '../utils/shared'
+
+type SnackbarHandel = {
+	clear: () => void
+}
+
+export type SnackbarType = 'success' | 'warning' | 'info' | 'error' | 'loading'
 
 interface SnackbarOptions {
-	type?: 'loading' | 'success' | 'error' | 'warning' | 'info'
+	type?: SnackbarType
 	content?: string
 	position?: 'top' | 'center' | 'bottom'
 	loadingType?: string
@@ -23,106 +29,139 @@ interface SnackbarOptions {
 	onClosed?: () => void
 }
 
-const TransitionGroupHost = {
-  setup() {
-    return () => {
-      const snackbarList = Snackbar.instances.map(
-        ({ id, reactiveSnackOptions, _update }: any) => {
-          if (reactiveSnackOptions.forbidClick) {
-            const transitionGroupEl = document.querySelector(
-              '.var-transition-group'
-              )
-            ;(transitionGroupEl as HTMLElement).classList.add(
-              'var-pointer-auto'
-            )
-          }
-          return h(VarSnackbarCore, {
-            ...reactiveSnackOptions,
-            ...{
-              key: id,
-              style: {
-                position: 'relative',
-                top: getTop(reactiveSnackOptions.position),
-              },
-              _update,
-              'onUpdate:show': (value: boolean) => {
-                reactiveSnackOptions.show = value
-              },
-            },
-          })
-        }
-      )
-
-      return h(
-        TransitionGroup,
-        {
-          ...transitionGroupProps,
-          onAfterLeave: removeInstance,
-        },
-        snackbarList
-      )
-    }
-  },
+interface UniqSnackbarOptions {
+	id: number
+	reactiveSnackOptions: SnackbarOptions
+	_update?: string
 }
 
-const Snackbar: any = function (options: SnackbarOptions): any {
-	const snackOptions: SnackbarOptions = isBasicObject(options) ? options : {}
-	const reactiveSnackOptions: SnackbarOptions = reactive<SnackbarOptions>(
-		snackOptions
-	)
-  reactiveSnackOptions.show = true
-
-  const api = {
-	  clear() {
-      reactiveSnackOptions.show = false
-    }
-  }
-
-	if (!Snackbar.isMount) {
-		Snackbar.isMount = true
-		mountInstance(TransitionGroupHost)
-	}
+interface Snackbar {
+	(options: SnackbarOptions): SnackbarHandel
+	install(app: App): void
+	allowMultiple(bool: boolean): void
+	success(options: SnackbarOptions | string): void
+	warning(options: SnackbarOptions | string): void
+	info(options: SnackbarOptions | string): void
+	error(options: SnackbarOptions | string): void
+	loading(options: SnackbarOptions | string): void
+	isAllowMultiple: boolean
+	isMount: boolean | undefined
+	uniqSnackbarOptions: UniqSnackbarOptions[]
+	Component: RendererElement
+}
+
+const transitionGroupProps: any = {
+	name: 'var-snackbar-fade',
+	tag: 'div',
+	class: 'var-transition-group',
+	afterEnter: 'onOpened',
+	afterLeave: 'onClosed',
+}
 
-  const id = Date.now()
-  const { length } = Snackbar.instances
-
-  if (length === 0) {
-    Snackbar.instances.push({
-      id,
-      reactiveSnackOptions,
-    })
-    return api
-  }
-
-	if (!Snackbar.isAllowMultiple) {
-    Snackbar.instances[0].reactiveSnackOptions = {
-      ...Snackbar.instances[0].reactiveSnackOptions,
-      ...reactiveSnackOptions,
-    }
-    Snackbar.instances[0]._update = `update-${id}`
-	} else {
-    Snackbar.instances.push({
-      id,
-      reactiveSnackOptions,
-    })
-  }
-
-	return api
+const TransitionGroupHost = {
+	setup() {
+		return () => {
+			const snackbarList = Snackbar.uniqSnackbarOptions.map(
+				({ id, reactiveSnackOptions, _update }: UniqSnackbarOptions) => {
+					if (reactiveSnackOptions.forbidClick) {
+						const transitionGroupEl = document.querySelector(
+							'.var-transition-group'
+						)
+						;(transitionGroupEl as HTMLElement).classList.add(
+							'var-pointer-auto'
+						)
+					}
+					if (Snackbar.isAllowMultiple) reactiveSnackOptions.position = 'top'
+					return h(VarSnackbarCore, {
+						...reactiveSnackOptions,
+						...{
+							key: id,
+							'data-id': id,
+							style: {
+								position: 'relative',
+								top: getTop(reactiveSnackOptions.position),
+							},
+							_update,
+							'onUpdate:show': (value: boolean) => {
+								reactiveSnackOptions.show = value
+							},
+						},
+					})
+				}
+			)
+
+			return h(
+				TransitionGroup,
+				{
+					...transitionGroupProps,
+					onAfterLeave: removeUniqOption,
+				},
+				snackbarList
+			)
+		}
+	},
 }
 
-;['success', 'warning', 'info', 'error', 'loading'].forEach((type: any) => {
-	Snackbar[type] = (options: SnackbarOptions | string) => {
-		if (typeof options === 'string') {
-			options = {
-				content: options,
-				type,
+const Snackbar: Snackbar = <Snackbar>(
+	function (options: SnackbarOptions = {}): SnackbarHandel {
+		const snackOptions: SnackbarOptions = isBaseObject(options) ? options : {}
+		const reactiveSnackOptions: SnackbarOptions = reactive<SnackbarOptions>(
+			snackOptions
+		)
+		reactiveSnackOptions.show = true
+
+		const api = {
+			clear() {
+				reactiveSnackOptions.show = false
+			},
+		}
+
+		if (!Snackbar.isMount) {
+			Snackbar.isMount = true
+			mountInstance(TransitionGroupHost)
+		}
+
+		const id = Date.now()
+		const { length } = Snackbar.uniqSnackbarOptions
+		const uniqSnackbarOptionItem: UniqSnackbarOptions = {
+			id,
+			reactiveSnackOptions,
+		}
+
+		if (length === 0) {
+			Snackbar.uniqSnackbarOptions.push(uniqSnackbarOptionItem)
+			return api
+		}
+
+		if (!Snackbar.isAllowMultiple) {
+			Snackbar.uniqSnackbarOptions[0].reactiveSnackOptions = {
+				...Snackbar.uniqSnackbarOptions[0].reactiveSnackOptions,
+				...reactiveSnackOptions,
 			}
+			Snackbar.uniqSnackbarOptions[0]._update = `update-${id}`
 		} else {
-			options.type = type
+			Snackbar.uniqSnackbarOptions.push(uniqSnackbarOptionItem)
+		}
+
+		return api
+	}
+)
+
+;(['success', 'warning', 'info', 'error', 'loading'] as const).forEach(
+	(type) => {
+		Snackbar[type] = (options: SnackbarOptions | string): SnackbarHandel => {
+			if (typeof options === 'string') {
+				options = {
+					content: options,
+					type,
+				}
+			} else {
+				options.type = type
+			}
+			return Snackbar(options)
 		}
-		return Snackbar(options)
 	}
-})
+)
 
 Snackbar.install = function (app: any) {
 	app.component(VarSnackbar.name, VarSnackbar)
@@ -134,30 +173,25 @@ Snackbar.allowMultiple = function (bool = false) {
 
 Snackbar.isAllowMultiple = true
 
-Snackbar.instances = reactive([]) as any[]
+Snackbar.isMount = false
 
-Snackbar.Component = VarSnackbar
+Snackbar.uniqSnackbarOptions = reactive<UniqSnackbarOptions[]>([])
 
-const transitionGroupProps = {
-	name: 'var-snackbar-fade',
-	tag: 'div',
-	class: 'var-transition-group',
-	afterEnter: 'onOpened',
-	afterLeave: 'onClosed',
-}
+Snackbar.Component = VarSnackbar
 
-function removeInstance(element: any) {
+function removeUniqOption(element: HTMLElement): void {
 	element.parentElement &&
 		element.parentElement.classList.remove('var-pointer-auto')
-	const { key } = element.__vueParentComponent.vnode
-	for (let i = 0; i < Snackbar.instances.length; i++) {
-		if (Snackbar.instances[i].id === key) Snackbar.instances.splice(i, 1)
+	const id = element.getAttribute('data-id')
+	for (let i = 0; i < Snackbar.uniqSnackbarOptions.length; i++) {
+		if (Snackbar.uniqSnackbarOptions[i].id === +(id as string))
+			Snackbar.uniqSnackbarOptions.splice(i, 1)
 	}
 }
 
-function getTop(postion: string) {
-	if (postion === 'center') return '45%'
-	if (postion === 'bottom') return '85%'
+function getTop(position = 'top'): string {
+	if (position === 'center') return '45%'
+	if (position === 'bottom') return '85%'
 	return '5%'
 }
 
diff --git a/packages/varlet-ui/src/utils/shared.ts b/packages/varlet-ui/src/utils/shared.ts
index 37d607e3a27..4f9dd87a7ac 100644
--- a/packages/varlet-ui/src/utils/shared.ts
+++ b/packages/varlet-ui/src/utils/shared.ts
@@ -1,4 +1,4 @@
 export const isString = (val: unknown): val is string => typeof val === 'string'
 
-export const isBasicObject = (val: unknown) =>
+export const isBaseObject = (val: unknown) =>
 	Object.prototype.toString.call(val) === '[object Object]'