diff --git a/electron/services/chatService.ts b/electron/services/chatService.ts
index 628ecf0..7965fd0 100644
--- a/electron/services/chatService.ts
+++ b/electron/services/chatService.ts
@@ -6,7 +6,6 @@ import * as https from 'https'
 import * as http from 'http'
 import * as fzstd from 'fzstd'
 import * as crypto from 'crypto'
-import { app, BrowserWindow, dialog } from 'electron'
 import { ConfigService } from './config'
 import { wcdbService } from './wcdbService'
 import { MessageCacheService } from './messageCacheService'
@@ -18,6 +17,7 @@ import { voiceTranscribeService } from './voiceTranscribeService'
 import { ImageDecryptService } from './imageDecryptService'
 import { CONTACT_REGION_LOOKUP_DATA } from './contactRegionLookupData'
 import { LRUCache } from '../utils/LRUCache.js'
+import { getAppPathFallback, getElectronBrowserWindow, getElectronDialog, getPathFallback, isElectronAppPackaged } from './electronRuntime'
 
 export interface ChatSession {
   username: string
@@ -498,7 +498,7 @@ class ChatService {
   }
 
   private async maybeShowInitFailureDialog(errorMessage: string): Promise<void> {
-    if (!app.isPackaged) return
+    if (!isElectronAppPackaged()) return
     if (this.initFailureDialogShown) return
 
     const code = this.extractErrorCode(errorMessage)
@@ -519,6 +519,8 @@ class ChatService {
     ].join('\n')
 
     try {
+      const dialog = getElectronDialog()
+      if (!dialog?.showMessageBox) return
       await dialog.showMessageBox({
         type: 'error',
         title: 'WeFlow 启动失败',
@@ -600,7 +602,7 @@ class ChatService {
           console.error('[ChatService] 数据库监听回调失败:', error)
         }
       }
-      const windows = BrowserWindow.getAllWindows()
+      const windows = getElectronBrowserWindow()?.getAllWindows?.() || []
       // 广播给所有渲染进程窗口
       windows.forEach((win) => {
         if (!win.isDestroyed()) {
@@ -7180,7 +7182,7 @@ class ChatService {
       return join(cachePath, 'Voices')
     }
     // 回退到默认目录
-    const documentsPath = app.getPath('documents')
+    const documentsPath = getPathFallback('documents')
     return join(documentsPath, 'WeFlow', 'Voices')
   }
 
@@ -7190,7 +7192,7 @@ class ChatService {
       return join(cachePath, 'Emojis')
     }
     // 回退到默认目录
-    const documentsPath = app.getPath('documents')
+    const documentsPath = getPathFallback('documents')
     return join(documentsPath, 'WeFlow', 'Emojis')
   }
 
@@ -8435,13 +8437,13 @@ class ChatService {
   private async decodeSilkToPcm(silkData: Buffer, sampleRate: number): Promise<Buffer | null> {
     try {
       let wasmPath: string
-      if (app.isPackaged) {
+      if (isElectronAppPackaged()) {
         wasmPath = join(process.resourcesPath, 'app.asar.unpacked', 'node_modules', 'silk-wasm', 'lib', 'silk.wasm')
         if (!existsSync(wasmPath)) {
           wasmPath = join(process.resourcesPath, 'node_modules', 'silk-wasm', 'lib', 'silk.wasm')
         }
       } else {
-        wasmPath = join(app.getAppPath(), 'node_modules', 'silk-wasm', 'lib', 'silk.wasm')
+        wasmPath = join(getAppPathFallback(), 'node_modules', 'silk-wasm', 'lib', 'silk.wasm')
       }
 
       if (!existsSync(wasmPath)) {
@@ -8629,7 +8631,7 @@ class ChatService {
   /** 获取持久化转写缓存文件路径 */
   private getTranscriptCachePath(): string {
     const cachePath = this.configService.get('cachePath')
-    const base = cachePath || join(app.getPath('documents'), 'WeFlow')
+    const base = cachePath || join(getPathFallback('documents'), 'WeFlow')
     return join(base, 'Voices', 'transcripts.json')
   }
 
diff --git a/electron/services/config.ts b/electron/services/config.ts
index ff06ccd..16ece13 100644
--- a/electron/services/config.ts
+++ b/electron/services/config.ts
@@ -1,13 +1,14 @@
-import { join } from 'path'
-import { app, safeStorage } from 'electron'
+import { dirname, join } from 'path'
 import crypto from 'crypto'
-import Store from 'electron-store'
+import { existsSync, mkdirSync, readFileSync, writeFileSync } from 'fs'
 import { expandHomePath } from '../utils/pathUtils'
+import { getElectronSafeStorage, getPathFallback, isWorkerRuntime } from './electronRuntime'
 
 // 加密前缀标记
 const SAFE_PREFIX = 'safe:'  // safeStorage 加密（普通模式）
 const isSafeStorageAvailable = (): boolean => {
   try {
+    const safeStorage = getElectronSafeStorage()
     return typeof safeStorage?.isEncryptionAvailable === 'function' && safeStorage.isEncryptionAvailable()
   } catch {
     return false
@@ -112,6 +113,68 @@ interface ConfigSchema {
   aiInsightDebugLogEnabled: boolean
 }
 
+interface ConfigStoreLike<T extends Record<string, any>> {
+  get<K extends keyof T>(key: K): T[K]
+  set<K extends keyof T>(key: K, value: T[K]): void
+  clear(): void
+  store: T
+}
+
+function cloneJson<T>(value: T): T {
+  return JSON.parse(JSON.stringify(value))
+}
+
+class JsonConfigStore<T extends Record<string, any>> implements ConfigStoreLike<T> {
+  private readonly filePath: string
+  private readonly defaults: T
+  private data: T
+
+  constructor(options: { name: string; defaults: T; cwd?: string }) {
+    const baseDir = options.cwd || getPathFallback('userData')
+    mkdirSync(baseDir, { recursive: true })
+    this.filePath = join(baseDir, `${options.name}.json`)
+    this.defaults = cloneJson(options.defaults)
+    this.data = cloneJson(options.defaults)
+    this.load()
+  }
+
+  get store(): T {
+    return this.data
+  }
+
+  private load(): void {
+    try {
+      if (!existsSync(this.filePath)) return
+      const raw = readFileSync(this.filePath, 'utf8')
+      const parsed = JSON.parse(raw)
+      if (parsed && typeof parsed === 'object') {
+        this.data = { ...cloneJson(this.defaults), ...parsed }
+      }
+    } catch {
+      this.data = cloneJson(this.defaults)
+    }
+  }
+
+  private persist(): void {
+    mkdirSync(dirname(this.filePath), { recursive: true })
+    writeFileSync(this.filePath, JSON.stringify(this.data), 'utf8')
+  }
+
+  get<K extends keyof T>(key: K): T[K] {
+    return this.data[key]
+  }
+
+  set<K extends keyof T>(key: K, value: T[K]): void {
+    this.data[key] = value
+    this.persist()
+  }
+
+  clear(): void {
+    this.data = cloneJson(this.defaults)
+    this.persist()
+  }
+}
+
 // 需要 safeStorage 加密的字段（普通模式）
 const ENCRYPTED_STRING_KEYS: Set<string> = new Set([
   'decryptKey',
@@ -131,7 +194,7 @@ const LOCKABLE_NUMBER_KEYS: Set<string> = new Set(['imageXorKey'])
 
 export class ConfigService {
   private static instance: ConfigService
-  private store!: Store<ConfigSchema>
+  private store!: ConfigStoreLike<ConfigSchema>
 
   // 锁定模式运行时状态
   private unlockedKeys: Map<string, any> = new Map()
@@ -225,36 +288,17 @@ export class ConfigService {
       aiInsightDebugLogEnabled: false
     }
 
-    const storeOptions: any = {
+    const cwd = String(process.env.WEFLOW_CONFIG_CWD || process.env.WEFLOW_USER_DATA_PATH || '').trim()
+    this.store = new JsonConfigStore<ConfigSchema>({
       name: 'WeFlow-config',
       defaults,
-      projectName: String(process.env.WEFLOW_PROJECT_NAME || 'WeFlow').trim() || 'WeFlow'
-    }
-    const runningInWorker = process.env.WEFLOW_WORKER === '1'
-    if (runningInWorker) {
-      const cwd = String(process.env.WEFLOW_CONFIG_CWD || process.env.WEFLOW_USER_DATA_PATH || '').trim()
-      if (cwd) {
-        storeOptions.cwd = cwd
-      }
-    }
+      cwd: cwd || undefined
+    })
 
-    try {
-      this.store = new Store<ConfigSchema>(storeOptions)
-    } catch (error) {
-      const message = String((error as Error)?.message || error || '')
-      if (message.includes('projectName')) {
-        const fallbackOptions = {
-          ...storeOptions,
-          projectName: 'WeFlow',
-          cwd: storeOptions.cwd || process.env.WEFLOW_CONFIG_CWD || process.env.WEFLOW_USER_DATA_PATH || process.cwd()
-        }
-        this.store = new Store<ConfigSchema>(fallbackOptions)
-      } else {
-        throw error
-      }
+    if (!isWorkerRuntime()) {
+      this.migrateAuthFields()
+      this.migrateAiConfig()
     }
-    this.migrateAuthFields()
-    this.migrateAiConfig()
   }
 
   // === 状态查询 ===
@@ -356,6 +400,8 @@ export class ConfigService {
     if (!plaintext) return ''
     if (plaintext.startsWith(SAFE_PREFIX)) return plaintext
     if (!isSafeStorageAvailable()) return plaintext
+    const safeStorage = getElectronSafeStorage()
+    if (!safeStorage) return plaintext
     const encrypted = safeStorage.encryptString(plaintext)
     return SAFE_PREFIX + encrypted.toString('base64')
   }
@@ -364,6 +410,8 @@ export class ConfigService {
     if (!stored) return ''
     if (!stored.startsWith(SAFE_PREFIX)) return stored
     if (!isSafeStorageAvailable()) return ''
+    const safeStorage = getElectronSafeStorage()
+    if (!safeStorage) return ''
     try {
       const buf = Buffer.from(stored.slice(SAFE_PREFIX.length), 'base64')
       return safeStorage.decryptString(buf)
@@ -831,7 +879,7 @@ export class ConfigService {
     if (workerUserDataPath) {
       return workerUserDataPath
     }
-    return app?.getPath?.('userData') || process.cwd()
+    return getPathFallback('userData')
   }
 
   getCacheBasePath(): string {
diff --git a/electron/services/contactCacheService.ts b/electron/services/contactCacheService.ts
index a481227..5cf1ecf 100644
--- a/electron/services/contactCacheService.ts
+++ b/electron/services/contactCacheService.ts
@@ -1,6 +1,5 @@
 import { join, dirname } from 'path'
 import { existsSync, mkdirSync, readFileSync, writeFileSync, rmSync } from 'fs'
-import { app } from 'electron'
 import { ConfigService } from './config'
 
 export interface ContactCacheEntry {
diff --git a/electron/services/electronRuntime.ts b/electron/services/electronRuntime.ts
new file mode 100644
index 0000000..ea6aeea
--- /dev/null
+++ b/electron/services/electronRuntime.ts
@@ -0,0 +1,96 @@
+import { homedir, tmpdir } from 'os'
+import { join } from 'path'
+
+type RuntimeRequire = (id: string) => any
+
+let cachedElectron: any | null | false = null
+
+export function isWorkerRuntime(): boolean {
+  return process.env.WEFLOW_WORKER === '1'
+}
+
+export function getElectronModule(): any | null {
+  if (isWorkerRuntime()) return null
+  if (cachedElectron !== null) return cachedElectron || null
+  try {
+    const runtimeRequire = (0, eval)('require') as RuntimeRequire
+    cachedElectron = runtimeRequire('electron')
+  } catch {
+    cachedElectron = false
+  }
+  return cachedElectron || null
+}
+
+export function getElectronApp(): any | null {
+  return getElectronModule()?.app || null
+}
+
+export function getElectronBrowserWindow(): any | null {
+  return getElectronModule()?.BrowserWindow || null
+}
+
+export function getElectronDialog(): any | null {
+  return getElectronModule()?.dialog || null
+}
+
+export function getElectronSafeStorage(): any | null {
+  return getElectronModule()?.safeStorage || null
+}
+
+export function getElectronPath(name: string): string | null {
+  try {
+    const getter = getElectronApp()?.getPath
+    if (typeof getter === 'function') {
+      return getter(name)
+    }
+  } catch {
+    // fall through to caller fallback
+  }
+  return null
+}
+
+export function getAppPathFallback(): string {
+  try {
+    const getter = getElectronApp()?.getAppPath
+    if (typeof getter === 'function') {
+      return getter()
+    }
+  } catch {
+    // fall through
+  }
+  return process.cwd()
+}
+
+export function getPathFallback(name: string): string {
+  const fromElectron = getElectronPath(name)
+  if (fromElectron) return fromElectron
+
+  const home = homedir()
+  switch (name) {
+    case 'userData': {
+      const workerUserDataPath = String(process.env.WEFLOW_USER_DATA_PATH || process.env.WEFLOW_CONFIG_CWD || '').trim()
+      if (workerUserDataPath) return workerUserDataPath
+      if (process.platform === 'win32' && process.env.APPDATA) return join(process.env.APPDATA, 'WeFlow')
+      if (process.platform === 'darwin') return join(home, 'Library', 'Application Support', 'WeFlow')
+      return join(process.env.XDG_CONFIG_HOME || join(home, '.config'), 'WeFlow')
+    }
+    case 'documents':
+      return join(home, 'Documents')
+    case 'desktop':
+      return join(home, 'Desktop')
+    case 'downloads':
+      return join(home, 'Downloads')
+    case 'temp':
+      return tmpdir()
+    case 'appData':
+      return process.platform === 'win32' && process.env.APPDATA ? process.env.APPDATA : join(home, '.config')
+    default:
+      return process.cwd()
+  }
+}
+
+export function isElectronAppPackaged(): boolean {
+  const app = getElectronApp()
+  if (typeof app?.isPackaged === 'boolean') return app.isPackaged
+  return Boolean((process as any).resourcesPath && process.env.NODE_ENV !== 'development')
+}
diff --git a/electron/services/exportRecordService.ts b/electron/services/exportRecordService.ts
index 5ff1049..86e23f2 100644
--- a/electron/services/exportRecordService.ts
+++ b/electron/services/exportRecordService.ts
@@ -1,6 +1,6 @@
-import { app } from 'electron'
 import fs from 'fs'
 import path from 'path'
+import { getPathFallback } from './electronRuntime'
 
 export interface ExportRecord {
   exportTime: number
@@ -20,7 +20,7 @@ class ExportRecordService {
   private resolveFilePath(): string {
     if (this.filePath) return this.filePath
     const workerUserDataPath = String(process.env.WEFLOW_USER_DATA_PATH || process.env.WEFLOW_CONFIG_CWD || '').trim()
-    const userDataPath = workerUserDataPath || app?.getPath?.('userData') || process.cwd()
+    const userDataPath = workerUserDataPath || getPathFallback('userData')
     fs.mkdirSync(userDataPath, { recursive: true })
     this.filePath = path.join(userDataPath, 'weflow-export-records.json')
     return this.filePath
diff --git a/electron/services/imageDecryptService.ts b/electron/services/imageDecryptService.ts
index 66552b4..badca5f 100644
--- a/electron/services/imageDecryptService.ts
+++ b/electron/services/imageDecryptService.ts
@@ -1,4 +1,3 @@
-import { app, BrowserWindow } from 'electron'
 import { basename, dirname, extname, join } from 'path'
 import { pathToFileURL } from 'url'
 import { existsSync, mkdirSync, readdirSync, readFileSync, statSync, appendFileSync } from 'fs'
@@ -8,6 +7,7 @@ import crypto from 'crypto'
 import { ConfigService } from './config'
 import { wcdbService } from './wcdbService'
 import { decryptDatViaNative, nativeAddonLocation } from './nativeImageDecrypt'
+import { getElectronBrowserWindow, getPathFallback, isElectronAppPackaged } from './electronRuntime'
 
 // 获取 ffmpeg-static 的路径
 function getStaticFfmpegPath(): string | null {
@@ -35,7 +35,7 @@ function getStaticFfmpegPath(): string | null {
     }
 
     // 方法3: 打包后的路径
-    if (app?.isPackaged) {
+    if (isElectronAppPackaged()) {
       const resourcesPath = process.resourcesPath
       const packedPath = join(resourcesPath, 'app.asar.unpacked', 'node_modules', 'ffmpeg-static', 'ffmpeg.exe')
       if (existsSync(packedPath)) {
@@ -1475,7 +1475,7 @@ export class ImageDecryptService {
 
   private getActiveWindowsSafely(): Array<{ isDestroyed: () => boolean; webContents: { send: (channel: string, payload: unknown) => void } }> {
     try {
-      const getter = (BrowserWindow as unknown as { getAllWindows?: () => any[] } | undefined)?.getAllWindows
+      const getter = (getElectronBrowserWindow() as { getAllWindows?: () => any[] } | undefined)?.getAllWindows
       if (typeof getter !== 'function') return []
       const windows = getter()
       if (!Array.isArray(windows)) return []
@@ -2191,14 +2191,7 @@ export class ImageDecryptService {
   }
 
   private getElectronPath(name: 'userData' | 'documents' | 'temp'): string | null {
-    try {
-      const getter = (app as unknown as { getPath?: (n: string) => string } | undefined)?.getPath
-      if (typeof getter !== 'function') return null
-      const value = getter(name)
-      return typeof value === 'string' && value.trim() ? value : null
-    } catch {
-      return null
-    }
+    return getPathFallback(name)
   }
 
   private getUserDataPath(): string {
diff --git a/electron/services/messageCacheService.ts b/electron/services/messageCacheService.ts
index 9d3079a..a340cbe 100644
--- a/electron/services/messageCacheService.ts
+++ b/electron/services/messageCacheService.ts
@@ -1,6 +1,5 @@
 import { join, dirname } from 'path'
 import { existsSync, mkdirSync, readFileSync, writeFileSync, rmSync } from 'fs'
-import { app } from 'electron'
 import { ConfigService } from './config'
 
 export interface SessionMessageCacheEntry {
diff --git a/electron/services/videoService.ts b/electron/services/videoService.ts
index 4785621..87f7058 100644
--- a/electron/services/videoService.ts
+++ b/electron/services/videoService.ts
@@ -1,9 +1,9 @@
 import { join } from 'path'
 import { existsSync, readdirSync, statSync, readFileSync, appendFileSync, mkdirSync } from 'fs'
 import { pathToFileURL } from 'url'
-import { app } from 'electron'
 import { ConfigService } from './config'
 import { wcdbService } from './wcdbService'
+import { getPathFallback } from './electronRuntime'
 
 export interface VideoInfo {
   videoUrl?: string       // 视频文件路径（用于 readFile）
@@ -45,7 +45,7 @@ class VideoService {
     try {
       const timestamp = new Date().toISOString()
       const metaStr = meta ? ` ${JSON.stringify(meta)}` : ''
-      const logDir = join(app.getPath('userData'), 'logs')
+      const logDir = join(getPathFallback('userData'), 'logs')
       if (!existsSync(logDir)) mkdirSync(logDir, { recursive: true })
       appendFileSync(join(logDir, 'wcdb.log'), `[${timestamp}] [VideoService] ${message}${metaStr}\n`, 'utf8')
     } catch { }
diff --git a/electron/services/voiceTranscribeService.ts b/electron/services/voiceTranscribeService.ts
index 5cc7804..61fc8d6 100644
--- a/electron/services/voiceTranscribeService.ts
+++ b/electron/services/voiceTranscribeService.ts
@@ -1,9 +1,9 @@
-import { app } from 'electron'
 import { existsSync, mkdirSync, statSync, unlinkSync, createWriteStream, openSync, writeSync, closeSync } from 'fs'
 import { join } from 'path'
 import * as https from 'https'
 import * as http from 'http'
 import { ConfigService } from './config'
+import { getPathFallback } from './electronRuntime'
 
 // Sherpa-onnx 类型定义
 type OfflineRecognizer = any
@@ -91,7 +91,7 @@ export class VoiceTranscribeService {
   private resolveModelDir(): string {
     const configured = this.configService.get('whisperModelDir') as string | undefined
     if (configured) return configured
-    return join(app.getPath('documents'), 'WeFlow', 'models', 'sensevoice')
+    return join(getPathFallback('documents'), 'WeFlow', 'models', 'sensevoice')
   }
 
   private resolveModelPath(fileName: string): string {