diff --git a/client/src-tauri/src/main.rs b/client/src-tauri/src/main.rs
index eec6a44..00cdc34 100644
--- a/client/src-tauri/src/main.rs
+++ b/client/src-tauri/src/main.rs
@@ -25,6 +25,7 @@ use std::thread;
 /// with ERROR_INVALID_STATE when the option sets differ).
 const WEBVIEW2_BROWSER_ARGS: &str =
     "--ignore-certificate-errors --auto-accept-camera-and-microphone-capture \
+     --use-fake-ui-for-media-stream \
      --disable-backgrounding-occluded-windows --disable-renderer-backgrounding \
      --disable-background-timer-throttling";
 
diff --git a/client/src/services/audio.ts b/client/src/services/audio.ts
index 6550a19..70fe6ce 100644
--- a/client/src/services/audio.ts
+++ b/client/src/services/audio.ts
@@ -134,19 +134,23 @@ registerProcessor('pcm-processor', PCMProcessor);
 export async function listMicrophones(): Promise<MediaDeviceInfo[]> {
   const audioInputs = (list: MediaDeviceInfo[]) => list.filter((d) => d.kind === 'audioinput')
 
-  // 新版 WebView2 / Chromium 收紧了设备枚举：只有在麦克风流“活跃”时，
-  // enumerateDevices() 才会返回设备的真实名字(label)，否则只有一个无名通用项。
-  // 因此这里始终先开一个临时音频流，趁流活跃时枚举，拿到完整列表后立刻关闭。
-  let stream: MediaStream | null = null
-  try {
-    stream = await navigator.mediaDevices.getUserMedia({ audio: true })
-    return audioInputs(await navigator.mediaDevices.enumerateDevices())
-  } catch {
-    // 拿不到权限或没有可用麦克风：退回普通枚举（可能只有通用项）
-    return audioInputs(await navigator.mediaDevices.enumerateDevices())
-  } finally {
-    if (stream) stream.getTracks().forEach((t) => t.stop())
+  let devices = audioInputs(await navigator.mediaDevices.enumerateDevices())
+
+  // 没有持久麦克风权限时，enumerateDevices() 只返回一个无名字的通用项。
+  // 此时临时打开一路音频流触发授权，趁流活跃时重新枚举，拿到真实名称。
+  if (devices.length <= 1 || devices.some((d) => !d.label)) {
+    let stream: MediaStream | null = null
+    try {
+      stream = await navigator.mediaDevices.getUserMedia({ audio: true })
+      devices = audioInputs(await navigator.mediaDevices.enumerateDevices())
+    } catch {
+      // 权限被拒或无可用麦克风：保留已有结果
+    } finally {
+      if (stream) stream.getTracks().forEach((t) => t.stop())
+    }
   }
+
+  return devices
 }
 
 function createAudioContext() {