diff --git a/backend/voice-token-service/server.js b/backend/voice-token-service/server.js
index 651625a..0ffaefa 100644
--- a/backend/voice-token-service/server.js
+++ b/backend/voice-token-service/server.js
@@ -13,19 +13,32 @@ app.post('/api/voice-token/:sessionId', async (req, res) => {
   try {
     const { sessionId } = req.params
     const authHeader = req.headers.authorization
+    console.log('Voice token request:', { sessionId, authHeader: authHeader ? authHeader.slice(0, 20) + '...' : null })
+
     if (!authHeader) {
+      console.log('Missing auth header')
       return res.status(401).json({ error: '未登录' })
     }
 
     // 验证用户 token — 调用 PocketBase
-    const pbRes = await fetch(`${PB_URL}/api/collections/users/auth-refresh`, {
+    const pbRefreshUrl = `${PB_URL}/api/collections/users/auth-refresh`
+    console.log('Calling PB auth-refresh:', pbRefreshUrl)
+    const pbRes = await fetch(pbRefreshUrl, {
       method: 'POST',
-      headers: { Authorization: authHeader },
+      headers: {
+        Authorization: authHeader,
+        'Content-Type': 'application/json',
+      },
+      body: '{}',
     })
+    console.log('PB auth-refresh status:', pbRes.status)
     if (!pbRes.ok) {
-      return res.status(401).json({ error: '认证失败' })
+      const pbBody = await pbRes.text().catch(() => 'unknown')
+      console.log('PB auth-refresh error body:', pbBody)
+      return res.status(401).json({ error: '认证失败', detail: pbBody })
     }
     const userData = await pbRes.json()
+    console.log('PB auth-refresh success, userId:', userData.record?.id)
     const userId = userData.record?.id
     const userName = userData.record?.name || userData.record?.username || userId
     if (!userId) {
diff --git a/electron/main.js b/electron/main.js
index 6b75434..04af177 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -1,4 +1,4 @@
-const { app, BrowserWindow } = require('electron')
+const { app, BrowserWindow, session } = require('electron')
 const path = require('path')
 
 const ENV_URLS = {
@@ -15,6 +15,11 @@ function getWindowUrl() {
   return ENV_URLS.dev
 }
 
+// 在 Chromium 启动前将 HTTP 内网地址标记为安全源，
+// 否则 navigator.mediaDevices 在 HTTP 非 localhost 下会被置空
+const insecureOrigins = Object.values(ENV_URLS).join(',')
+app.commandLine.appendSwitch('unsafely-treat-insecure-origin-as-secure', insecureOrigins)
+
 function createWindow() {
   const win = new BrowserWindow({
     width: 1280,
@@ -27,6 +32,7 @@ function createWindow() {
       preload: path.join(__dirname, 'preload.js'),
       contextIsolation: true,
       webSecurity: false,
+      allowRunningInsecureContent: true,
     },
   })
 
@@ -40,7 +46,26 @@ function createWindow() {
   })
 }
 
-app.whenReady().then(createWindow)
+app.whenReady().then(() => {
+  // 自动批准麦克风/摄像头权限请求，无需用户手动确认
+  session.defaultSession.setPermissionRequestHandler((_webContents, permission, callback) => {
+    if (permission === 'media' || permission === 'microphone' || permission === 'camera') {
+      callback(true)
+    } else {
+      callback(false)
+    }
+  })
+
+  // 绕过权限检查，确保 mediaDevices 可用
+  session.defaultSession.setPermissionCheckHandler((_webContents, permission) => {
+    if (permission === 'media' || permission === 'microphone' || permission === 'camera') {
+      return true
+    }
+    return false
+  })
+
+  createWindow()
+})
 
 app.on('window-all-closed', () => {
   app.quit()
diff --git a/frontend/src/api/voice.ts b/frontend/src/api/voice.ts
index d40cc06..c0105c4 100644
--- a/frontend/src/api/voice.ts
+++ b/frontend/src/api/voice.ts
@@ -12,6 +12,7 @@ export async function fetchVoiceToken(sessionId: string): Promise<string> {
   if (!user) throw new Error('未登录')
 
   const token = pb.authStore.token
+  console.log('[voice] fetching token for session:', sessionId, 'token prefix:', token?.slice(0, 20))
 
   const res = await fetch(`/voice-api/voice-token/${sessionId}`, {
     method: 'POST',
@@ -21,9 +22,11 @@ export async function fetchVoiceToken(sessionId: string): Promise<string> {
     },
   })
 
+  console.log('[voice] token service response status:', res.status)
   if (!res.ok) {
     const data = await res.json().catch(() => ({ error: '语音服务暂不可用' }))
-    throw new Error(data.error || '语音服务暂不可用')
+    console.log('[voice] token service error:', data)
+    throw new Error(data.error || data.detail || '语音服务暂不可用')
   }
 
   const data = await res.json()
diff --git a/frontend/src/composables/useVoiceRoom.ts b/frontend/src/composables/useVoiceRoom.ts
index d479544..0f42da9 100644
--- a/frontend/src/composables/useVoiceRoom.ts
+++ b/frontend/src/composables/useVoiceRoom.ts
@@ -34,6 +34,10 @@ export function useVoiceRoom() {
       error.value = null
 
       if (!navigator.mediaDevices?.getUserMedia) {
+        const isElectron = /Electron/.test(navigator.userAgent)
+        if (isElectron) {
+          throw new Error('麦克风权限未获取，请检查 Electron 是否已正确配置安全源和权限处理器。')
+        }
         throw new Error('浏览器不允许在 HTTP 下使用麦克风。请在 Chrome 地址栏输入 chrome://flags/#unsafely-treat-insecure-origin-as-secure，启用后将 http://192.168.1.14:7033 加入白名单，然后重启浏览器。')
       }