diff --git a/package.json b/package.json
index 7eb9269ad8..d75bb0039e 100644
--- a/package.json
+++ b/package.json
@@ -140,7 +140,6 @@
     "@google/genai": "patch:@google/genai@npm%3A1.0.1#~/.yarn/patches/@google-genai-npm-1.0.1-e26f0f9af7.patch",
     "@hello-pangea/dnd": "^18.0.1",
     "@heroui/react": "^2.8.3",
-    "@kangfenmao/keyv-storage": "^0.1.0",
     "@langchain/community": "^0.3.50",
     "@mistralai/mistralai": "^1.7.5",
     "@modelcontextprotocol/sdk": "^1.17.5",
diff --git a/src/renderer/src/aiCore/legacy/clients/BaseApiClient.ts b/src/renderer/src/aiCore/legacy/clients/BaseApiClient.ts
index 884499dfb1..5a2131a1f7 100644
--- a/src/renderer/src/aiCore/legacy/clients/BaseApiClient.ts
+++ b/src/renderer/src/aiCore/legacy/clients/BaseApiClient.ts
@@ -1,3 +1,4 @@
+import { cacheService } from '@data/CacheService'
 import { loggerService } from '@logger'
 import {
   isFunctionCallingModel,
@@ -53,7 +54,6 @@ import { isEmpty } from 'lodash'
 
 import type { CompletionsContext } from '../middleware/types'
 import type { ApiClient, RequestTransformer, ResponseChunkTransformer } from './types'
-
 const logger = loggerService.withContext('BaseApiClient')
 
 /**
@@ -166,16 +166,16 @@ export abstract class BaseApiClient<
       return keys[0]
     }
 
-    const lastUsedKey = window.keyv.get(keyName)
-    if (!lastUsedKey) {
-      window.keyv.set(keyName, keys[0])
+    const lastUsedKey = cacheService.getShared(keyName) as string | undefined
+    if (lastUsedKey === undefined) {
+      cacheService.setShared(keyName, keys[0])
       return keys[0]
     }
 
     const currentIndex = keys.indexOf(lastUsedKey)
     const nextIndex = (currentIndex + 1) % keys.length
     const nextKey = keys[nextIndex]
-    window.keyv.set(keyName, nextKey)
+    cacheService.setShared(keyName, nextKey)
 
     return nextKey
   }
@@ -331,7 +331,7 @@ export abstract class BaseApiClient<
   }
 
   private getMemoryReferencesFromCache(message: Message) {
-    const memories = window.keyv.get(`memory-search-${message.id}`) as MemoryItem[] | undefined
+    const memories = cacheService.get(`memory-search-${message.id}`) as MemoryItem[] | undefined
     if (memories) {
       const memoryReferences: KnowledgeReference[] = memories.map((mem, index) => ({
         id: index + 1,
@@ -349,10 +349,10 @@ export abstract class BaseApiClient<
     if (isEmpty(content)) {
       return []
     }
-    const webSearch: WebSearchResponse = window.keyv.get(`web-search-${message.id}`)
+    const webSearch: WebSearchResponse | undefined = cacheService.get(`web-search-${message.id}`)
 
     if (webSearch) {
-      window.keyv.remove(`web-search-${message.id}`)
+      cacheService.delete(`web-search-${message.id}`)
       return (webSearch.results as WebSearchProviderResponse).results.map(
         (result, index) =>
           ({
@@ -375,10 +375,10 @@ export abstract class BaseApiClient<
     if (isEmpty(content)) {
       return []
     }
-    const knowledgeReferences: KnowledgeReference[] = window.keyv.get(`knowledge-search-${message.id}`)
+    const knowledgeReferences: KnowledgeReference[] | undefined = cacheService.get(`knowledge-search-${message.id}`)
 
-    if (!isEmpty(knowledgeReferences)) {
-      window.keyv.remove(`knowledge-search-${message.id}`)
+    if (knowledgeReferences && !isEmpty(knowledgeReferences)) {
+      cacheService.delete(`knowledge-search-${message.id}`)
       logger.debug(`Found ${knowledgeReferences.length} knowledge base references in cache for ID: ${message.id}`)
       return knowledgeReferences
     }
diff --git a/src/renderer/src/aiCore/provider/providerConfig.ts b/src/renderer/src/aiCore/provider/providerConfig.ts
index b91dad9cf7..b700a1f25f 100644
--- a/src/renderer/src/aiCore/provider/providerConfig.ts
+++ b/src/renderer/src/aiCore/provider/providerConfig.ts
@@ -5,6 +5,7 @@ import {
   type ProviderId,
   type ProviderSettingsMap
 } from '@cherrystudio/ai-core/provider'
+import { cacheService } from '@data/CacheService'
 import { isOpenAIChatCompletionOnlyModel } from '@renderer/config/models'
 import { isNewApiProvider } from '@renderer/config/providers'
 import {
@@ -22,7 +23,6 @@ import { cloneDeep, isEmpty } from 'lodash'
 
 import { aihubmixProviderCreator, newApiResolverCreator, vertexAnthropicProviderCreator } from './config'
 import { getAiSdkProviderId } from './factory'
-
 const logger = loggerService.withContext('ProviderConfigProcessor')
 
 /**
@@ -37,16 +37,16 @@ function getRotatedApiKey(provider: Provider): string {
     return keys[0]
   }
 
-  const lastUsedKey = window.keyv.get(keyName)
-  if (!lastUsedKey) {
-    window.keyv.set(keyName, keys[0])
+  const lastUsedKey = cacheService.getShared(keyName) as string | undefined
+  if (lastUsedKey === undefined) {
+    cacheService.setShared(keyName, keys[0])
     return keys[0]
   }
 
   const currentIndex = keys.indexOf(lastUsedKey)
   const nextIndex = (currentIndex + 1) % keys.length
   const nextKey = keys[nextIndex]
-  window.keyv.set(keyName, nextKey)
+  cacheService.setShared(keyName, nextKey)
 
   return nextKey
 }
diff --git a/src/renderer/src/env.d.ts b/src/renderer/src/env.d.ts
index eefc880a57..23b0ddebf2 100644
--- a/src/renderer/src/env.d.ts
+++ b/src/renderer/src/env.d.ts
@@ -1,7 +1,6 @@
 /// <reference types="vite/client" />
 
 import type { ToastUtilities } from '@cherrystudio/ui'
-import type KeyvStorage from '@kangfenmao/keyv-storage'
 import type { HookAPI } from 'antd/es/modal/useModal'
 import type { NavigateFunction } from 'react-router-dom'
 
@@ -17,7 +16,6 @@ declare global {
   interface Window {
     root: HTMLElement
     modal: HookAPI
-    keyv: KeyvStorage
     store: any
     navigate: NavigateFunction
     toast: ToastUtilities
diff --git a/src/renderer/src/hooks/useScrollPosition.ts b/src/renderer/src/hooks/useScrollPosition.ts
index 872004d58e..5a3bd38d7a 100644
--- a/src/renderer/src/hooks/useScrollPosition.ts
+++ b/src/renderer/src/hooks/useScrollPosition.ts
@@ -1,3 +1,4 @@
+import { cacheService } from '@data/CacheService'
 import { throttle } from 'lodash'
 import { useEffect, useRef } from 'react'
 
@@ -9,12 +10,12 @@ export default function useScrollPosition(key: string) {
   const handleScroll = throttle(() => {
     const position = containerRef.current?.scrollTop ?? 0
     window.requestAnimationFrame(() => {
-      window.keyv.set(scrollKey, position)
+      cacheService.set(scrollKey, position)
     })
   }, 100)
 
   useEffect(() => {
-    const scroll = () => containerRef.current?.scrollTo({ top: window.keyv.get(scrollKey) || 0 })
+    const scroll = () => containerRef.current?.scrollTo({ top: cacheService.get(scrollKey) || 0 })
     scroll()
     clearTimeout(scrollTimerRef.current)
     scrollTimerRef.current = setTimeout(scroll, 50)
diff --git a/src/renderer/src/init.ts b/src/renderer/src/init.ts
index 456961f913..1a7693db63 100644
--- a/src/renderer/src/init.ts
+++ b/src/renderer/src/init.ts
@@ -1,5 +1,4 @@
 import { preferenceService } from '@data/PreferenceService'
-import KeyvStorage from '@kangfenmao/keyv-storage'
 import { loggerService } from '@logger'
 
 import { startAutoSync } from './services/BackupService'
@@ -8,11 +7,6 @@ import storeSyncService from './services/StoreSyncService'
 import { webTraceService } from './services/WebTraceService'
 loggerService.initWindowSource('mainWindow')
 
-function initKeyv() {
-  window.keyv = new KeyvStorage()
-  window.keyv.init()
-}
-
 function initAutoSync() {
   setTimeout(async () => {
     const autoSyncStates = await preferenceService.getMultiple({
@@ -39,7 +33,6 @@ function initWebTrace() {
   webTraceService.init()
 }
 
-initKeyv()
 initAutoSync()
 initStoreSync()
 initWebTrace()
diff --git a/src/renderer/src/pages/home/Tabs/TopicsTab.tsx b/src/renderer/src/pages/home/Tabs/TopicsTab.tsx
index 4abf8f404a..5a2859ab15 100644
--- a/src/renderer/src/pages/home/Tabs/TopicsTab.tsx
+++ b/src/renderer/src/pages/home/Tabs/TopicsTab.tsx
@@ -137,7 +137,7 @@ const Topics: FC<Props> = ({ assistant: _assistant, activeTopic, setActiveTopic,
 
   const onClearMessages = useCallback(
     (topic: Topic) => {
-      // window.keyv.set(EVENT_NAMES.CHAT_COMPLETION_PAUSED, true)
+      // cacheService.set(EVENT_NAMES.CHAT_COMPLETION_PAUSED, true)
       setGenerating(false)
       EventEmitter.emit(EVENT_NAMES.CLEAR_MESSAGES, topic)
     },
diff --git a/src/renderer/src/pages/settings/MemorySettings/MemorySettings.tsx b/src/renderer/src/pages/settings/MemorySettings/MemorySettings.tsx
index 86548fa637..c24f65cfb6 100644
--- a/src/renderer/src/pages/settings/MemorySettings/MemorySettings.tsx
+++ b/src/renderer/src/pages/settings/MemorySettings/MemorySettings.tsx
@@ -2,6 +2,7 @@ import { ExclamationCircleOutlined } from '@ant-design/icons'
 import { RowFlex } from '@cherrystudio/ui'
 import { Flex } from '@cherrystudio/ui'
 import { Switch } from '@cherrystudio/ui'
+import { cacheService } from '@data/CacheService'
 import { loggerService } from '@logger'
 import { DeleteIcon, EditIcon, LoadingIcon, RefreshIcon } from '@renderer/components/Icons'
 import TextBadge from '@renderer/components/TextBadge'
@@ -479,8 +480,8 @@ const MemorySettings = () => {
   const handleSettingsSubmit = async () => {
     setSettingsModalVisible(false)
     await memoryService.updateConfig()
-    if (window.keyv.get('memory.wait.settings')) {
-      window.keyv.remove('memory.wait.settings')
+    if (cacheService.get('memory.wait.settings')) {
+      cacheService.delete('memory.wait.settings')
       dispatch(setGlobalMemoryEnabled(true))
     }
   }
@@ -488,7 +489,7 @@ const MemorySettings = () => {
   const handleSettingsCancel = () => {
     setSettingsModalVisible(false)
     form.resetFields()
-    window.keyv.remove('memory.wait.settings')
+    cacheService.delete('memory.wait.settings')
   }
 
   const handleResetMemories = async (userId: string) => {
@@ -554,7 +555,7 @@ const MemorySettings = () => {
 
   const handleGlobalMemoryToggle = async (enabled: boolean) => {
     if (enabled && !embedderModel) {
-      window.keyv.set('memory.wait.settings', true)
+      cacheService.set('memory.wait.settings', true)
       return setSettingsModalVisible(true)
     }
 
diff --git a/src/renderer/src/providers/WebSearchProvider/BaseWebSearchProvider.ts b/src/renderer/src/providers/WebSearchProvider/BaseWebSearchProvider.ts
index b3047dc7e1..0a02c71021 100644
--- a/src/renderer/src/providers/WebSearchProvider/BaseWebSearchProvider.ts
+++ b/src/renderer/src/providers/WebSearchProvider/BaseWebSearchProvider.ts
@@ -1,3 +1,4 @@
+import { cacheService } from '@data/CacheService'
 import type { WebSearchState } from '@renderer/store/websearch'
 import type { WebSearchProvider, WebSearchProviderResponse } from '@renderer/types'
 
@@ -38,16 +39,16 @@ export default abstract class BaseWebSearchProvider {
       return keys[0]
     }
 
-    const lastUsedKey = window.keyv.get(keyName)
-    if (!lastUsedKey) {
-      window.keyv.set(keyName, keys[0])
+    const lastUsedKey = cacheService.getShared(keyName) as string | undefined
+    if (lastUsedKey === undefined) {
+      cacheService.setShared(keyName, keys[0])
       return keys[0]
     }
 
     const currentIndex = keys.indexOf(lastUsedKey)
     const nextIndex = (currentIndex + 1) % keys.length
     const nextKey = keys[nextIndex]
-    window.keyv.set(keyName, nextKey)
+    cacheService.setShared(keyName, nextKey)
 
     return nextKey
   }
diff --git a/src/renderer/src/services/MemoryProcessor.ts b/src/renderer/src/services/MemoryProcessor.ts
index 01ba5eeb77..c0d35de288 100644
--- a/src/renderer/src/services/MemoryProcessor.ts
+++ b/src/renderer/src/services/MemoryProcessor.ts
@@ -1,3 +1,4 @@
+import { cacheService } from '@data/CacheService'
 import { loggerService } from '@logger'
 import { getModel } from '@renderer/hooks/useModel'
 import type { AssistantMessage } from '@renderer/types'
@@ -103,7 +104,7 @@ export class MemoryProcessor {
     if (!memoryConfig.llmApiClient) {
       throw new Error('No LLM model configured for memory processing')
     }
-    const existingMemoriesResult = (window.keyv.get(`memory-search-${lastMessageId}`) as MemoryItem[]) || []
+    const existingMemoriesResult = (cacheService.get(`memory-search-${lastMessageId}`) as MemoryItem[]) || []
 
     const existingMemories = existingMemoriesResult.map((memory) => ({
       id: memory.id,
diff --git a/src/renderer/src/services/ocr/clients/OcrBaseApiClient.ts b/src/renderer/src/services/ocr/clients/OcrBaseApiClient.ts
index a81a3f972a..7394f7b475 100644
--- a/src/renderer/src/services/ocr/clients/OcrBaseApiClient.ts
+++ b/src/renderer/src/services/ocr/clients/OcrBaseApiClient.ts
@@ -1,5 +1,5 @@
+import { cacheService } from '@data/CacheService'
 import type { OcrApiProvider, OcrHandler } from '@renderer/types'
-
 export abstract class OcrBaseApiClient {
   public provider: OcrApiProvider
   protected host: string
@@ -27,16 +27,16 @@ export abstract class OcrBaseApiClient {
       return keys[0]
     }
 
-    const lastUsedKey = window.keyv.get(keyName)
-    if (!lastUsedKey) {
-      window.keyv.set(keyName, keys[0])
+    const lastUsedKey = cacheService.getShared(keyName) as string | undefined
+    if (lastUsedKey === undefined) {
+      cacheService.setShared(keyName, keys[0])
       return keys[0]
     }
 
     const currentIndex = keys.indexOf(lastUsedKey)
     const nextIndex = (currentIndex + 1) % keys.length
     const nextKey = keys[nextIndex]
-    window.keyv.set(keyName, nextKey)
+    cacheService.setShared(keyName, nextKey)
 
     return nextKey
   }
diff --git a/src/renderer/src/store/thunk/messageThunk.ts b/src/renderer/src/store/thunk/messageThunk.ts
index 8d7004ecc7..d506ab25ef 100644
--- a/src/renderer/src/store/thunk/messageThunk.ts
+++ b/src/renderer/src/store/thunk/messageThunk.ts
@@ -1,3 +1,4 @@
+import { cacheService } from '@data/CacheService'
 import { loggerService } from '@logger'
 import db from '@renderer/databases'
 import FileManager from '@renderer/services/FileManager'
@@ -610,8 +611,8 @@ export const resendMessageThunk =
       // Clear cached search results for the user message being resent
       // This ensures that the regenerated responses will not use stale search results
       try {
-        window.keyv.remove(`web-search-${userMessageToResend.id}`)
-        window.keyv.remove(`knowledge-search-${userMessageToResend.id}`)
+        cacheService.delete(`web-search-${userMessageToResend.id}`)
+        cacheService.delete(`knowledge-search-${userMessageToResend.id}`)
       } catch (error) {
         logger.warn(`Failed to clear keyv cache for message ${userMessageToResend.id}:`, error as Error)
       }
diff --git a/src/renderer/src/windows/mini/entryPoint.tsx b/src/renderer/src/windows/mini/entryPoint.tsx
index 5974350c06..14ee738c93 100644
--- a/src/renderer/src/windows/mini/entryPoint.tsx
+++ b/src/renderer/src/windows/mini/entryPoint.tsx
@@ -2,7 +2,6 @@ import '@renderer/assets/styles/index.css'
 import '@renderer/assets/styles/tailwind.css'
 import '@ant-design/v5-patch-for-react-19'
 
-import KeyvStorage from '@kangfenmao/keyv-storage'
 import { loggerService } from '@logger'
 import storeSyncService from '@renderer/services/StoreSyncService'
 import { createRoot } from 'react-dom/client'
@@ -11,18 +10,6 @@ import MiniWindowApp from './MiniWindowApp'
 
 loggerService.initWindowSource('MiniWindow')
 
-/**
- *  This function is required for model API
- *    eg. BaseProviders.ts
- *  Although the coupling is too strong, we have no choice but to load it
- *  In multi-window handling, decoupling is needed
- */
-function initKeyv() {
-  window.keyv = new KeyvStorage()
-  window.keyv.init()
-}
-initKeyv()
-
 //subscribe to store sync
 storeSyncService.subscribe()
 
diff --git a/src/renderer/src/windows/selection/action/entryPoint.tsx b/src/renderer/src/windows/selection/action/entryPoint.tsx
index 82cac5a5b2..a0f6d3459d 100644
--- a/src/renderer/src/windows/selection/action/entryPoint.tsx
+++ b/src/renderer/src/windows/selection/action/entryPoint.tsx
@@ -4,7 +4,6 @@ import '@ant-design/v5-patch-for-react-19'
 
 import { getToastUtilities } from '@cherrystudio/ui'
 import { preferenceService } from '@data/PreferenceService'
-import KeyvStorage from '@kangfenmao/keyv-storage'
 import { loggerService } from '@logger'
 import { ToastPortal } from '@renderer/components/ToastPortal'
 import AntdProvider from '@renderer/context/AntdProvider'
@@ -33,17 +32,6 @@ await preferenceService.preload([
   'feature.selection.action_window_opacity'
 ])
 
-/**
- * fetchChatCompletion depends on this,
- * which is not a good design, but we have to add it for now
- */
-function initKeyv() {
-  window.keyv = new KeyvStorage()
-  window.keyv.init()
-}
-
-initKeyv()
-
 //subscribe to store sync
 storeSyncService.subscribe()
 
diff --git a/yarn.lock b/yarn.lock
index 18ed0cd83d..d3e4b44dbb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7188,13 +7188,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@kangfenmao/keyv-storage@npm:^0.1.0":
-  version: 0.1.0
-  resolution: "@kangfenmao/keyv-storage@npm:0.1.0"
-  checksum: 10c0/647cf2d2f2e403ec91d1835546aa08bc6af1468a2823c3aa2cef883bacf67eb1a88bb97be1b4c0a09bc3ed69dba2ccbb8ecc3fd13242e84d4e234d5b77707156
-  languageName: node
-  linkType: hard
-
 "@langchain/community@npm:^0.3.50":
   version: 0.3.54
   resolution: "@langchain/community@npm:0.3.54"
@@ -14952,7 +14945,6 @@ __metadata:
     "@google/genai": "patch:@google/genai@npm%3A1.0.1#~/.yarn/patches/@google-genai-npm-1.0.1-e26f0f9af7.patch"
     "@hello-pangea/dnd": "npm:^18.0.1"
     "@heroui/react": "npm:^2.8.3"
-    "@kangfenmao/keyv-storage": "npm:^0.1.0"
     "@langchain/community": "npm:^0.3.50"
     "@libsql/client": "npm:0.14.0"
     "@libsql/win32-x64-msvc": "npm:^0.4.7"