diff --git a/src/utils/package/agora.ts b/src/utils/package/agora.ts
index ddc9da1..5678e10 100644
--- a/src/utils/package/agora.ts
+++ b/src/utils/package/agora.ts
@@ -240,7 +240,6 @@ export const agora = {
   },
   // 所有用户加入的第二个房间
   allJoinChannelEx: async (bool: boolean) => {
-    await agora.startCameraCapture()
     await rtcEngine.joinChannelEx(
       option.tokenA,
       { channelId: option.channelId + 'a', localUid: Number('1' + option.screenShareId) },
@@ -254,6 +253,7 @@ export const agora = {
   updateChannelMediaOptionsEx: async (bool: boolean) => {
     let obj;
     if (bool) {
+      await agora.startCameraCapture()
       obj = {
         clientRoleType: ClientRoleType.ClientRoleBroadcaster, //用户角色  ClientRoleBroadcaster 主播  ClientRoleAudience 观众
         autoSubscribeAudio: false,//设置是否自动订阅所有音频流
@@ -263,6 +263,7 @@ export const agora = {
         publishScreenTrack: false,//设置是否发布屏幕采集的视频
       }
     } else {
+      await agora.stopCameraCapture();
       obj = {
         clientRoleType: ClientRoleType.ClientRoleAudience,  //用户角色  ClientRoleBroadcaster 主播  ClientRoleAudience 观众
         autoSubscribeAudio: false,//设置是否自动订阅所有音频流
@@ -276,7 +277,6 @@ export const agora = {
   },
   // 退出第二个房间
   allLeaveChannelEx: async () => {
-    await agora.stopCameraCapture();
     await rtcEngine.leaveChannelEx({ channelId: option.channelId + 'a', localUid: Number('1' + option.screenShareId) })
   },
   // ai降噪