diff --git a/packages/mask/src/extension/background-script/HelperService/storage.ts b/packages/mask/background/services/helper/deprecated-storage.ts
similarity index 100%
rename from packages/mask/src/extension/background-script/HelperService/storage.ts
rename to packages/mask/background/services/helper/deprecated-storage.ts
diff --git a/packages/mask/background/services/helper/fetch.ts b/packages/mask/background/services/helper/fetch.ts
index 54e31abc1701..99939116dae5 100644
--- a/packages/mask/background/services/helper/fetch.ts
+++ b/packages/mask/background/services/helper/fetch.ts
@@ -3,7 +3,8 @@ export async function fetch(url: string) {
     return res.blob()
 }
 
-export async function fetchJSON<T = unknown>(url: string): Promise<T> {
+/** @deprecated */
+export async function fetchJSON(url: string): Promise<unknown> {
     const res = await globalThis.fetch(url)
     return res.json()
 }
diff --git a/packages/mask/background/services/helper/index.ts b/packages/mask/background/services/helper/index.ts
new file mode 100644
index 000000000000..6f4810cfab58
--- /dev/null
+++ b/packages/mask/background/services/helper/index.ts
@@ -0,0 +1,6 @@
+export { fetch, fetchJSON } from './fetch'
+export { resolveTCOLink } from './short-link-resolver'
+export { openPopupWindow, removePopupWindow } from './popup-opener'
+export { __deprecated__getStorage, __deprecated__setStorage } from './deprecated-storage'
+export { queryExtensionPermission, requestExtensionPermission } from './request-permission'
+export { createPersonaPayload, queryExistedBinding, bindProof } from './nextID'
diff --git a/packages/mask/src/extension/background-script/HelperService/nextId.ts b/packages/mask/background/services/helper/nextID.ts
similarity index 100%
rename from packages/mask/src/extension/background-script/HelperService/nextId.ts
rename to packages/mask/background/services/helper/nextID.ts
diff --git a/packages/mask/src/extension/background-script/HelperService/index.ts b/packages/mask/background/services/helper/popup-opener.ts
similarity index 70%
rename from packages/mask/src/extension/background-script/HelperService/index.ts
rename to packages/mask/background/services/helper/popup-opener.ts
index 3dbb1d6e3d54..606b0c6044bf 100644
--- a/packages/mask/src/extension/background-script/HelperService/index.ts
+++ b/packages/mask/background/services/helper/popup-opener.ts
@@ -1,22 +1,27 @@
 import { PopupRoutes } from '@masknet/shared-base'
 import urlcat from 'urlcat'
-import { currentPopupWindowId } from '../../../settings/settings'
-import { isLocked } from '../../../plugins/Wallet/services'
-
-export { __deprecated__getStorage, __deprecated__setStorage } from './storage'
-export { resolveTCOLink } from '../../../../shared'
-export { fetch, fetchJSON } from '../../../../background/services/helper/fetch'
-export { requestExtensionPermission, queryExtensionPermission } from './extensionPermission'
-export { createPersonaPayload, queryExistedBinding, bindProof } from './nextId'
-export { fromHex, toBase64URL } from '@masknet/shared-base'
+import { MaskMessages } from '../../../shared'
 
+let currentPopupWindowId = 0
+function isLocked() {
+    return new Promise<boolean>((resolve) => {
+        const off = MaskMessages.events.wallet_is_locked.on(([type, value]) => {
+            if (type === 'request') return
+            off()
+            resolve(value)
+            // in case something went wrong
+            setTimeout(() => resolve(false), 200)
+        })
+        MaskMessages.events.wallet_is_locked.sendToLocal(['request'])
+    })
+}
 export async function openPopupWindow(route?: PopupRoutes, params?: Record<string, any>) {
     const windows = await browser.windows.getAll()
-    const popup = windows.find((win) => win && win.type === 'popup' && win.id === currentPopupWindowId.value)
+    const popup = windows.find((win) => win && win.type === 'popup' && win.id === currentPopupWindowId)
 
     // Focus on the pop-up window if it already exists
     if (popup) {
-        await browser.windows.update(currentPopupWindowId.value, { focused: true })
+        await browser.windows.update(currentPopupWindowId, { focused: true })
     } else {
         const locked = await isLocked()
 
@@ -56,10 +61,10 @@ export async function openPopupWindow(route?: PopupRoutes, params?: Record<strin
 
         // update currentPopupWindowId and clean event
         if (id) {
-            currentPopupWindowId.value = id
+            currentPopupWindowId = id
             browser.windows.onRemoved.addListener(function listener(windowID: number) {
                 if (windowID === id) {
-                    currentPopupWindowId.value = 0
+                    currentPopupWindowId = 0
                 }
             })
 
@@ -75,7 +80,7 @@ export async function openPopupWindow(route?: PopupRoutes, params?: Record<strin
 }
 
 export async function removePopupWindow() {
-    if (currentPopupWindowId.value) {
-        browser.windows.remove(currentPopupWindowId.value)
-    }
+    if (!currentPopupWindowId) return
+    browser.windows.remove(currentPopupWindowId)
+    currentPopupWindowId = 0
 }
diff --git a/packages/mask/src/extension/background-script/HelperService/extensionPermission.ts b/packages/mask/background/services/helper/request-permission.ts
similarity index 88%
rename from packages/mask/src/extension/background-script/HelperService/extensionPermission.ts
rename to packages/mask/background/services/helper/request-permission.ts
index a2265be42e7f..f514cf8dfaec 100644
--- a/packages/mask/src/extension/background-script/HelperService/extensionPermission.ts
+++ b/packages/mask/background/services/helper/request-permission.ts
@@ -1,5 +1,4 @@
-import { constructRequestPermissionURL } from '../../popups'
-
+import { getPermissionRequestURL } from '../../../shared/definitions/routes'
 export async function requestExtensionPermission(permission: browser.permissions.Permissions) {
     if (await browser.permissions.contains(permission)) return true
     try {
@@ -12,7 +11,7 @@ export async function requestExtensionPermission(permission: browser.permissions
         height: 600,
         width: 350,
         type: 'popup',
-        url: constructRequestPermissionURL(permission),
+        url: getPermissionRequestURL(permission),
     })
     return new Promise((resolve) => {
         browser.windows.onRemoved.addListener(function listener(windowID: number) {
diff --git a/packages/mask/shared/helpers/resolve-t.co.ts b/packages/mask/background/services/helper/short-link-resolver.ts
similarity index 100%
rename from packages/mask/shared/helpers/resolve-t.co.ts
rename to packages/mask/background/services/helper/short-link-resolver.ts
diff --git a/packages/mask/background/services/setup.ts b/packages/mask/background/services/setup.ts
index 3c4ab57ae7e3..962f72e25936 100644
--- a/packages/mask/background/services/setup.ts
+++ b/packages/mask/background/services/setup.ts
@@ -13,6 +13,7 @@ const message = new WebExtensionMessage<Record<string, any>>({ domain: 'services
 // #region Setup services
 const _service: Record<keyof Services, void> = {
     Crypto: setup('Crypto', () => import('./crypto')),
+    Helper: setup('Helper', () => import('./helper')),
 }
 const _service_generator: Record<keyof GeneratorServices, void> = {}
 
diff --git a/packages/mask/background/services/types.ts b/packages/mask/background/services/types.ts
index d5de9ea05a5b..203667189a7a 100644
--- a/packages/mask/background/services/types.ts
+++ b/packages/mask/background/services/types.ts
@@ -1,5 +1,7 @@
 import type * as Crypto from './crypto'
+import type * as Helper from './helper'
 export type Services = {
     Crypto: typeof Crypto
+    Helper: typeof Helper
 }
 export type GeneratorServices = {}
diff --git a/packages/mask/shared/definitions/routes.ts b/packages/mask/shared/definitions/routes.ts
new file mode 100644
index 000000000000..5683e2322ca5
--- /dev/null
+++ b/packages/mask/shared/definitions/routes.ts
@@ -0,0 +1,11 @@
+import { PopupRoutes } from '@masknet/shared-base'
+export function getPopupRouteURLWithNoParam(kind: PopupRoutes) {
+    return browser.runtime.getURL(`/popups.html#${kind}`)
+}
+export function getPermissionRequestURL(permission: browser.permissions.Permissions) {
+    const { origins = [], permissions = [] } = permission
+    const params = new URLSearchParams()
+    for (const each of origins) params.append('origins', each)
+    for (const each of permissions) params.append('permissions', each)
+    return `${getPopupRouteURLWithNoParam(PopupRoutes.RequestPermission)}?${params.toString()}`
+}
diff --git a/packages/mask/shared/index.ts b/packages/mask/shared/index.ts
index c2f14c48a9b4..b02aa56ca45f 100644
--- a/packages/mask/shared/index.ts
+++ b/packages/mask/shared/index.ts
@@ -2,4 +2,3 @@ export * from './messages'
 export * from './flags'
 export { InMemoryStorages, PersistentStorages } from './kv-storage'
 export * from './helpers/download'
-export * from './helpers/resolve-t.co'
diff --git a/packages/mask/src/extension/background-script/EthereumServices/providers/MaskWallet.ts b/packages/mask/src/extension/background-script/EthereumServices/providers/MaskWallet.ts
index aef313682768..df91b1867565 100644
--- a/packages/mask/src/extension/background-script/EthereumServices/providers/MaskWallet.ts
+++ b/packages/mask/src/extension/background-script/EthereumServices/providers/MaskWallet.ts
@@ -4,7 +4,7 @@ import { PopupRoutes } from '@masknet/shared-base'
 import { ChainId, getChainIdFromNetworkType, getChainRPC, NetworkType, ProviderType } from '@masknet/web3-shared-evm'
 import { currentChainIdSettings } from '../../../../plugins/Wallet/settings'
 import { getWallets, selectAccountPrepare } from '../../../../plugins/Wallet/services'
-import { openPopupWindow } from '../../HelperService'
+import { openPopupWindow } from '../../../../../background/services/helper'
 
 // #region providers
 const providerPool = new Map<string, HttpProvider>()
diff --git a/packages/mask/src/extension/background-script/EthereumServices/request.ts b/packages/mask/src/extension/background-script/EthereumServices/request.ts
index 6fa0ea996c15..823bbac4c6ed 100644
--- a/packages/mask/src/extension/background-script/EthereumServices/request.ts
+++ b/packages/mask/src/extension/background-script/EthereumServices/request.ts
@@ -21,7 +21,7 @@ import { WalletRPC } from '../../../plugins/Wallet/messages'
 import { INTERNAL_nativeSend, INTERNAL_send } from './send'
 import { defer } from '@dimensiondev/kit'
 import { hasNativeAPI, nativeAPI } from '../../../../shared/native-rpc'
-import { openPopupWindow } from '../HelperService'
+import { openPopupWindow } from '../../../../background/services/helper'
 import Services from '../../service'
 import { toHex } from 'web3-utils'
 import { isLessThan } from '@masknet/web3-shared-base'
diff --git a/packages/mask/src/extension/background-script/IdentityServices/sign.ts b/packages/mask/src/extension/background-script/IdentityServices/sign.ts
index addd20e8d91a..ac60770dd619 100644
--- a/packages/mask/src/extension/background-script/IdentityServices/sign.ts
+++ b/packages/mask/src/extension/background-script/IdentityServices/sign.ts
@@ -11,7 +11,7 @@ import {
 import { MaskMessages } from '../../../utils'
 import { PersonaIdentifier, fromBase64URL, PopupRoutes } from '@masknet/shared-base'
 import { queryPersonasWithPrivateKey } from '../../../../background/database/persona/db'
-import { openPopupWindow } from '../HelperService'
+import { openPopupWindow } from '../../../../background/services/helper'
 import { delay } from '@dimensiondev/kit'
 export interface SignRequest {
     /** Use that who to sign this message. */
diff --git a/packages/mask/src/extension/background-script/WelcomeService.ts b/packages/mask/src/extension/background-script/WelcomeService.ts
index f60257f3feb3..20e173baba5b 100644
--- a/packages/mask/src/extension/background-script/WelcomeService.ts
+++ b/packages/mask/src/extension/background-script/WelcomeService.ts
@@ -6,7 +6,7 @@ import { attachProfileDB, LinkedProfileDetails } from '../../../background/datab
 import { deriveLocalKeyFromECDHKey } from '../../utils/mnemonic-code/localKeyGenerate'
 import type { PersonaIdentifier, ProfileIdentifier, AESJsonWebKey } from '@masknet/shared-base'
 import { BackupOptions, generateBackupJSON } from './WelcomeServices/generateBackupJSON'
-import { requestExtensionPermission } from './HelperService/extensionPermission'
+import { requestExtensionPermission, openPopupWindow } from './../../../background/services/helper'
 import { saveFileFromBuffer } from '../../../shared'
 import {
     BackupJSONFileLatest,
@@ -18,7 +18,6 @@ import { assertEnvironment, Environment } from '@dimensiondev/holoflows-kit'
 import { convertBackupFileToObject, extraPermissions, fixBackupFilePermission } from '../../utils'
 import { v4 as uuid } from 'uuid'
 import { getUnconfirmedBackup, restoreBackup, setUnconfirmedBackup } from './WelcomeServices/restoreBackup'
-import { openPopupWindow } from './HelperService'
 import formatDateTime from 'date-fns/format'
 
 export { generateBackupJSON, generateBackupPreviewInfo } from './WelcomeServices/generateBackupJSON'
diff --git a/packages/mask/src/extension/popups/RequestPermission/utils.ts b/packages/mask/src/extension/popups/RequestPermission/utils.ts
deleted file mode 100644
index 6095b5b2adbf..000000000000
--- a/packages/mask/src/extension/popups/RequestPermission/utils.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { PopupRoutes } from '@masknet/shared-base'
-import { getRouteURLWithNoParam } from '../utils'
-
-export function constructRequestPermissionURL(permission: browser.permissions.Permissions) {
-    const { origins = [], permissions = [] } = permission
-    const params = new URLSearchParams()
-    for (const each of origins) params.append('origins', each)
-    for (const each of permissions) params.append('permissions', each)
-    return `${getRouteURLWithNoParam(PopupRoutes.RequestPermission)}?${params.toString()}`
-}
diff --git a/packages/mask/src/extension/popups/ThirdPartyRequestPermission/utils.ts b/packages/mask/src/extension/popups/ThirdPartyRequestPermission/utils.ts
index ef4bf73b110d..c3e0ae9d4afb 100644
--- a/packages/mask/src/extension/popups/ThirdPartyRequestPermission/utils.ts
+++ b/packages/mask/src/extension/popups/ThirdPartyRequestPermission/utils.ts
@@ -1,5 +1,5 @@
 import { PopupRoutes } from '@masknet/shared-base'
-import { getRouteURLWithNoParam } from '../utils'
+import { getPopupRouteURLWithNoParam } from '..'
 import type { ThirdPartyPluginPermission } from '../../background-script/ThirdPartyPlugin/types'
 
 export function constructThirdPartyRequestPermissionURL(
@@ -9,5 +9,5 @@ export function constructThirdPartyRequestPermissionURL(
     const params = new URLSearchParams()
     params.set('plugin', pluginManifestURL)
     for (const x of permissions) params.append('permission', String(x))
-    return getRouteURLWithNoParam(PopupRoutes.ThirdPartyRequestPermission) + '?' + params.toString()
+    return getPopupRouteURLWithNoParam(PopupRoutes.ThirdPartyRequestPermission) + '?' + params.toString()
 }
diff --git a/packages/mask/src/extension/popups/index.tsx b/packages/mask/src/extension/popups/index.tsx
index c98c50f8db8d..245ee93b0712 100644
--- a/packages/mask/src/extension/popups/index.tsx
+++ b/packages/mask/src/extension/popups/index.tsx
@@ -1,13 +1,11 @@
 import type { MaskSDK_SNS_ContextIdentifier } from '../../plugins/External/sns-context'
 import { PopupRoutes } from '@masknet/shared-base'
-
-import { getRouteURLWithNoParam } from './utils'
+import { getPopupRouteURLWithNoParam } from '../../../shared/definitions/routes'
 
 export function PermissionAwareRedirectOf(url: string, context: MaskSDK_SNS_ContextIdentifier) {
     return (
-        getRouteURLWithNoParam(PopupRoutes.PermissionAwareRedirect) +
+        getPopupRouteURLWithNoParam(PopupRoutes.PermissionAwareRedirect) +
         `?url=${encodeURIComponent(url)}&context=${context}`
     )
 }
-export { constructRequestPermissionURL } from './RequestPermission/utils'
-export { getRouteURLWithNoParam } from './utils'
+export { getPermissionRequestURL, getPopupRouteURLWithNoParam } from '../../../shared/definitions/routes'
diff --git a/packages/mask/src/extension/popups/utils/index.ts b/packages/mask/src/extension/popups/utils/index.ts
deleted file mode 100644
index 86cec2aa3caa..000000000000
--- a/packages/mask/src/extension/popups/utils/index.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import type { PopupRoutes } from '@masknet/shared-base'
-export function getRouteURLWithNoParam(kind: PopupRoutes) {
-    return browser.runtime.getURL(`/popups.html#${kind}`)
-}
diff --git a/packages/mask/src/extension/service.ts b/packages/mask/src/extension/service.ts
index e3db8cef6552..75dd5978f845 100644
--- a/packages/mask/src/extension/service.ts
+++ b/packages/mask/src/extension/service.ts
@@ -28,7 +28,7 @@ export const Services = {
     Crypto: add(() => import('./background-script/CryptoService'), 'Crypto'),
     Identity: add(() => import('./background-script/IdentityService'), 'Identity'),
     Welcome: add(() => import('./background-script/WelcomeService'), 'Welcome'),
-    Helper: add(() => import('./background-script/HelperService'), 'Helper'),
+    Helper: add(() => import('../../background/services/helper'), 'Helper'),
     Ethereum: add(() => import('./background-script/EthereumService'), 'Ethereum'),
     SocialNetwork: add(() => import('./background-script/SocialNetworkService'), 'SocialNetwork'),
     Settings: add(() => import('./background-script/SettingsService'), 'Settings'),
@@ -47,7 +47,7 @@ if (process.env.manifest === '2' && import.meta.webpackHot && isEnvironment(Envi
             './background-script/CryptoService',
             './background-script/IdentityService',
             './background-script/WelcomeService',
-            './background-script/HelperService',
+            '../../background/services/helper',
             './background-script/EthereumService',
             './background-script/SettingsService',
             './background-script/ThirdPartyPlugin',
diff --git a/packages/mask/src/plugins/Profile/services.ts b/packages/mask/src/plugins/Profile/services.ts
index cb7c4b367c93..810fd057564d 100644
--- a/packages/mask/src/plugins/Profile/services.ts
+++ b/packages/mask/src/plugins/Profile/services.ts
@@ -1,5 +1,4 @@
 import urlcat from 'urlcat'
-import { fetchJSON } from '../../extension/background-script/HelperService'
 
 interface NameInfo {
     rnsName: string
@@ -10,6 +9,6 @@ interface NameInfo {
 export async function getRSS3AddressById(id: string) {
     if (!id) return ''
     const url = urlcat('https://rss3.domains/name/:id', { id })
-    const rsp = await fetchJSON<NameInfo>(url)
+    const rsp = (await (await fetch(url)).json()) as NameInfo
     return rsp.address
 }
diff --git a/packages/mask/src/plugins/Wallet/Worker/index.ts b/packages/mask/src/plugins/Wallet/Worker/index.ts
index 7b14854a29ae..8f0e2e900147 100644
--- a/packages/mask/src/plugins/Wallet/Worker/index.ts
+++ b/packages/mask/src/plugins/Wallet/Worker/index.ts
@@ -1,9 +1,20 @@
 import type { Plugin } from '@masknet/plugin-infra'
 import { base } from '@masknet/plugin-wallet'
+import { MaskMessages } from '../../../utils'
 import '../messages'
+import { isLocked } from '../services'
 
 const worker: Plugin.Worker.Definition = {
     ...base,
-    init(signal) {},
+    init(signal) {
+        MaskMessages.events.wallet_is_locked.on(
+            async ([type]) => {
+                if (type === 'request') {
+                    MaskMessages.events.wallet_is_locked.sendToLocal(['response', await isLocked()])
+                }
+            },
+            { signal },
+        )
+    },
 }
 export default worker
diff --git a/packages/mask/src/plugins/Wallet/services/cloud.ts b/packages/mask/src/plugins/Wallet/services/cloud.ts
index 2947e4d072a1..9ee06cc19fe0 100644
--- a/packages/mask/src/plugins/Wallet/services/cloud.ts
+++ b/packages/mask/src/plugins/Wallet/services/cloud.ts
@@ -1,7 +1,4 @@
-import {
-    __deprecated__getStorage,
-    __deprecated__setStorage,
-} from '../../../extension/background-script/HelperService/storage'
+import { __deprecated__getStorage, __deprecated__setStorage } from '../../../../background/services/helper'
 
 const HOST_MAP = {
     production: 'https://backup.mask.io/api',
diff --git a/packages/mask/src/plugins/Wallet/services/rpc.ts b/packages/mask/src/plugins/Wallet/services/rpc.ts
index fd5fa59bd146..682a332d2aa8 100644
--- a/packages/mask/src/plugins/Wallet/services/rpc.ts
+++ b/packages/mask/src/plugins/Wallet/services/rpc.ts
@@ -3,7 +3,7 @@ import { WalletMessages } from '@masknet/plugin-wallet'
 import type { JsonRpcPayload } from 'web3-core-helpers'
 import { createTransaction } from '../../../../background/database/utils/openDB'
 import { createWalletDBAccess } from '../database/Wallet.db'
-import { openPopupWindow } from '../../../extension/background-script/HelperService'
+import { openPopupWindow } from '../../../../background/services/helper'
 
 const MAX_UNCONFIRMED_REQUESTS_SIZE = 1
 const MAIN_RECORD_ID = '0'
diff --git a/packages/mask/src/settings/settings.ts b/packages/mask/src/settings/settings.ts
index ae35a9857532..05fe1fafef62 100644
--- a/packages/mask/src/settings/settings.ts
+++ b/packages/mask/src/settings/settings.ts
@@ -90,10 +90,6 @@ export const currentPersonaIdentifier = createGlobalSettings<string>('currentPer
     primary: () => 'DO NOT DISPLAY IT IN UI',
 })
 
-export const currentPopupWindowId = createGlobalSettings<number>('currentPopupWindowId', 0, {
-    primary: () => 'DO NOT DISPLAY IT IN UI',
-})
-
 try {
     // Migrate language settings
     const lng: string = languageSettings.value
diff --git a/packages/shared-base/src/Messages/Mask.ts b/packages/shared-base/src/Messages/Mask.ts
index 46bd027f32ac..8b48ee0f613b 100644
--- a/packages/shared-base/src/Messages/Mask.ts
+++ b/packages/shared-base/src/Messages/Mask.ts
@@ -66,6 +66,8 @@ export interface MaskEvents extends MaskSettingsEvents, MaskMobileOnlyEvents, Ma
     maskSDKHotModuleReload: void
     __kv_backend_persistent__: [string, unknown]
     __kv_backend_in_memory__: [string, unknown]
+    /** @deprecated do not use it in new code. */
+    wallet_is_locked: ['request'] | ['response', boolean]
 }
 
 export interface UpdateEvent<Data> {