diff --git a/electron/main.ts b/electron/main.ts
index 792366f..7e4d381 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -372,6 +372,7 @@ if (process.platform === 'darwin') {
 let mainWindowReady = false
 let shouldShowMain = true
 let isAppQuitting = false
+let shutdownPromise: Promise<void> | null = null
 let tray: Tray | null = null
 let isClosePromptVisible = false
 const chatHistoryPayloadStore = new Map<string, { sessionId: string; title?: string; recordList: any[] }>()
@@ -3869,23 +3870,35 @@ app.whenReady().then(async () => {
   })
 })
 
-app.on('before-quit', async () => {
-  isAppQuitting = true
-  // 销毁 tray 图标
-  if (tray) { try { tray.destroy() } catch {} tray = null }
-  // 通知窗使用 hide 而非 close，退出时主动销毁，避免残留窗口阻塞进程退出。
-  destroyNotificationWindow()
-  insightService.stop()
-  // 兜底：5秒后强制退出，防止某个异步任务卡住导致进程残留
-  const forceExitTimer = setTimeout(() => {
-    console.warn('[App] Force exit after timeout')
-    app.exit(0)
-  }, 5000)
-  forceExitTimer.unref()
-  // 停止 HTTP 服务器，释放 TCP 端口占用，避免进程无法退出
-  try { await httpService.stop() } catch {}
-  // 终止 wcdb Worker 线程，避免线程阻止进程退出
-  try { await wcdbService.shutdown() } catch {}
+const shutdownAppServices = async (): Promise<void> => {
+  if (shutdownPromise) return shutdownPromise
+  shutdownPromise = (async () => {
+    isAppQuitting = true
+    // 销毁 tray 图标
+    if (tray) { try { tray.destroy() } catch {} tray = null }
+    // 通知窗使用 hide 而非 close，退出时主动销毁，避免残留窗口阻塞进程退出。
+    destroyNotificationWindow()
+    messagePushService.stop()
+    insightService.stop()
+    // 兜底：5秒后强制退出，防止某个异步任务卡住导致进程残留
+    const forceExitTimer = setTimeout(() => {
+      console.warn('[App] Force exit after timeout')
+      app.exit(0)
+    }, 5000)
+    forceExitTimer.unref()
+    try { await cloudControlService.stop() } catch {}
+    // 停止 chatService（内部会关闭 cursor 与 DB），避免退出阶段仍触发监控回调
+    try { chatService.close() } catch {}
+    // 停止 HTTP 服务器，释放 TCP 端口占用，避免进程无法退出
+    try { await httpService.stop() } catch {}
+    // 终止 wcdb Worker 线程，避免线程阻止进程退出
+    try { await wcdbService.shutdown() } catch {}
+  })()
+  return shutdownPromise
+}
+
+app.on('before-quit', () => {
+  void shutdownAppServices()
 })
 
 app.on('window-all-closed', () => {
diff --git a/electron/services/cloudControlService.ts b/electron/services/cloudControlService.ts
index 39b3345..198c5df 100644
--- a/electron/services/cloudControlService.ts
+++ b/electron/services/cloudControlService.ts
@@ -218,7 +218,7 @@ class CloudControlService {
     this.pages.add(pageName)
   }
 
-  stop() {
+  async stop(): Promise<void> {
     if (this.timer) {
       clearTimeout(this.timer)
       this.timer = null
@@ -230,7 +230,13 @@ class CloudControlService {
     this.circuitOpenedAt = 0
     this.nextDelayOverrideMs = null
     this.initialized = false
-    wcdbService.cloudStop()
+    if (wcdbService.isReady()) {
+      try {
+        await wcdbService.cloudStop()
+      } catch {
+        // 忽略停止失败，避免阻塞主进程退出
+      }
+    }
   }
 
   async getLogs() {
diff --git a/electron/services/config.ts b/electron/services/config.ts
index 1124c77..0dd422d 100644
--- a/electron/services/config.ts
+++ b/electron/services/config.ts
@@ -2,6 +2,7 @@
 import { app, safeStorage } from 'electron'
 import crypto from 'crypto'
 import Store from 'electron-store'
+import { expandHomePath } from '../utils/pathUtils'
 
 // 加密前缀标记
 const SAFE_PREFIX = 'safe:'  // safeStorage 加密（普通模式）
@@ -295,6 +296,10 @@ export class ConfigService {
       return this.decryptWxidConfigs(raw as any) as ConfigSchema[K]
     }
 
+    if (key === 'dbPath' && typeof raw === 'string') {
+      return expandHomePath(raw) as ConfigSchema[K]
+    }
+
     return raw
   }
 
@@ -302,6 +307,10 @@ export class ConfigService {
     let toStore = value
     const inLockMode = this.isLockMode() && this.unlockPassword
 
+    if (key === 'dbPath' && typeof value === 'string') {
+      toStore = expandHomePath(value) as ConfigSchema[K]
+    }
+
     if (ENCRYPTED_BOOL_KEYS.has(key)) {
       const boolValue = value === true || value === 'true'
       // `false` 不需要写入 keychain，避免无意义触发 macOS 钥匙串弹窗
diff --git a/electron/services/dbPathService.ts b/electron/services/dbPathService.ts
index 592c9f9..87fe017 100644
--- a/electron/services/dbPathService.ts
+++ b/electron/services/dbPathService.ts
@@ -2,6 +2,7 @@ import { join, basename } from 'path'
 import { existsSync, readdirSync, statSync, readFileSync } from 'fs'
 import { homedir } from 'os'
 import { createDecipheriv } from 'crypto'
+import { expandHomePath } from '../utils/pathUtils'
 
 export interface WxidInfo {
   wxid: string
@@ -139,13 +140,14 @@ export class DbPathService {
    * 查找账号目录（包含 db_storage 或图片目录）
    */
   findAccountDirs(rootPath: string): string[] {
+    const resolvedRootPath = expandHomePath(rootPath)
     const accounts: string[] = []
 
     try {
-      const entries = readdirSync(rootPath)
+      const entries = readdirSync(resolvedRootPath)
 
       for (const entry of entries) {
-        const entryPath = join(rootPath, entry)
+        const entryPath = join(resolvedRootPath, entry)
         let stat: ReturnType<typeof statSync>
         try {
           stat = statSync(entryPath)
@@ -216,13 +218,14 @@ export class DbPathService {
    * 扫描目录名候选（仅包含下划线的文件夹，排除 all_users）
    */
   scanWxidCandidates(rootPath: string): WxidInfo[] {
+    const resolvedRootPath = expandHomePath(rootPath)
     const wxids: WxidInfo[] = []
 
     try {
-      if (existsSync(rootPath)) {
-        const entries = readdirSync(rootPath)
+      if (existsSync(resolvedRootPath)) {
+        const entries = readdirSync(resolvedRootPath)
         for (const entry of entries) {
-          const entryPath = join(rootPath, entry)
+          const entryPath = join(resolvedRootPath, entry)
           let stat: ReturnType<typeof statSync>
           try { stat = statSync(entryPath) } catch { continue }
           if (!stat.isDirectory()) continue
@@ -235,9 +238,9 @@ export class DbPathService {
 
 
       if (wxids.length === 0) {
-        const rootName = basename(rootPath)
+        const rootName = basename(resolvedRootPath)
         if (rootName.includes('_') && rootName.toLowerCase() !== 'all_users') {
-          const rootStat = statSync(rootPath)
+          const rootStat = statSync(resolvedRootPath)
           wxids.push({ wxid: rootName, modifiedTime: rootStat.mtimeMs })
         }
       }
@@ -248,7 +251,7 @@ export class DbPathService {
       return a.wxid.localeCompare(b.wxid)
     });
 
-    const globalInfo = this.parseGlobalConfig(rootPath);
+    const globalInfo = this.parseGlobalConfig(resolvedRootPath);
     if (globalInfo) {
       for (const w of sorted) {
         if (w.wxid.startsWith(globalInfo.wxid) || sorted.length === 1) {
@@ -266,19 +269,20 @@ export class DbPathService {
    * 扫描 wxid 列表
    */
   scanWxids(rootPath: string): WxidInfo[] {
+    const resolvedRootPath = expandHomePath(rootPath)
     const wxids: WxidInfo[] = []
 
     try {
-      if (this.isAccountDir(rootPath)) {
-        const wxid = basename(rootPath)
-        const modifiedTime = this.getAccountModifiedTime(rootPath)
+      if (this.isAccountDir(resolvedRootPath)) {
+        const wxid = basename(resolvedRootPath)
+        const modifiedTime = this.getAccountModifiedTime(resolvedRootPath)
         return [{ wxid, modifiedTime }]
       }
 
-      const accounts = this.findAccountDirs(rootPath)
+      const accounts = this.findAccountDirs(resolvedRootPath)
 
       for (const account of accounts) {
-        const fullPath = join(rootPath, account)
+        const fullPath = join(resolvedRootPath, account)
         const modifiedTime = this.getAccountModifiedTime(fullPath)
         wxids.push({ wxid: account, modifiedTime })
       }
@@ -289,7 +293,7 @@ export class DbPathService {
       return a.wxid.localeCompare(b.wxid)
     });
 
-    const globalInfo = this.parseGlobalConfig(rootPath);
+    const globalInfo = this.parseGlobalConfig(resolvedRootPath);
     if (globalInfo) {
       for (const w of sorted) {
         if (w.wxid.startsWith(globalInfo.wxid) || sorted.length === 1) {
diff --git a/electron/services/messagePushService.ts b/electron/services/messagePushService.ts
index ca7e057..3870ac0 100644
--- a/electron/services/messagePushService.ts
+++ b/electron/services/messagePushService.ts
@@ -53,6 +53,13 @@ class MessagePushService {
     void this.refreshConfiguration('startup')
   }
 
+  stop(): void {
+    this.started = false
+    this.processing = false
+    this.rerunRequested = false
+    this.resetRuntimeState()
+  }
+
   handleDbMonitorChange(type: string, json: string): void {
     if (!this.started) return
     if (!this.isPushEnabled()) return
diff --git a/electron/services/wcdbCore.ts b/electron/services/wcdbCore.ts
index 116ba45..0f6a84b 100644
--- a/electron/services/wcdbCore.ts
+++ b/electron/services/wcdbCore.ts
@@ -2,6 +2,7 @@ import { join, dirname, basename } from 'path'
 import { appendFileSync, existsSync, mkdirSync, readdirSync, statSync, readFileSync } from 'fs'
 import { tmpdir } from 'os'
 import * as fzstd from 'fzstd'
+import { expandHomePath } from '../utils/pathUtils'
 
 //数据服务初始化错误信息，用于帮助用户诊断问题
 let lastDllInitError: string | null = null
@@ -481,7 +482,7 @@ export class WcdbCore {
 
   private resolveDbStoragePath(basePath: string, wxid: string): string | null {
     if (!basePath) return null
-    const normalized = basePath.replace(/[\\\\/]+$/, '')
+    const normalized = expandHomePath(basePath).replace(/[\\\\/]+$/, '')
     if (normalized.toLowerCase().endsWith('db_storage') && existsSync(normalized)) {
       return normalized
     }
@@ -1600,6 +1601,9 @@ export class WcdbCore {
    */
   close(): void {
     if (this.handle !== null || this.initialized) {
+      // 先停止监控与云控回调，避免 shutdown 后仍有 native 回调访问已释放资源。
+      try { this.stopMonitor() } catch {}
+      try { this.cloudStop() } catch {}
       try {
         // 不调用 closeAccount，直接 shutdown
         this.wcdbShutdown()
diff --git a/electron/utils/pathUtils.ts b/electron/utils/pathUtils.ts
new file mode 100644
index 0000000..c1fb638
--- /dev/null
+++ b/electron/utils/pathUtils.ts
@@ -0,0 +1,20 @@
+import { homedir } from 'os'
+
+/**
+ * Expand "~" prefix to current user's home directory.
+ * Examples:
+ * - "~" => "/Users/alex"
+ * - "~/Library/..." => "/Users/alex/Library/..."
+ */
+export function expandHomePath(inputPath: string): string {
+  const raw = String(inputPath || '').trim()
+  if (!raw) return raw
+
+  if (raw === '~') return homedir()
+  if (/^~[\\/]/.test(raw)) {
+    return `${homedir()}${raw.slice(1)}`
+  }
+
+  return raw
+}
+