diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index 6e95d93..c9940ff 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -1053,6 +1053,7 @@ const Meeting: React.FC = () => {
             // 录制所有音频输入设备
             audioInputDevices.forEach(async device => {
               const micStream = await navigator.mediaDevices.getUserMedia({ audio: { deviceId: { exact: device.deviceId } } });
+              setMediaStream(micStream);
               const micSoundSource = audioCtx.createMediaStreamSource(micStream);
               micSoundSource.connect(systemSoundDestination);
             })
@@ -1063,7 +1064,6 @@ const Meeting: React.FC = () => {
               mimeType: 'video/webm;codecs=vp9,opus',
               videoBitsPerSecond: 1.5e6,
             });
-            setMediaStream(combinedSource);
             setRecorder(mediaRecorder);
           });
         } catch (error: any) {