diff --git a/wgshare/lib/pages/metting/meeting_main_logic.dart b/wgshare/lib/pages/metting/meeting_main_logic.dart
index 3a54584..653a176 100644
--- a/wgshare/lib/pages/metting/meeting_main_logic.dart
+++ b/wgshare/lib/pages/metting/meeting_main_logic.dart
@@ -608,6 +608,8 @@ class MeetingMainLogic extends GetxController with RequestToolMixin {
     // 打开用户音量回调
     await state.rctEngine.value?.enableAudioVolumeIndication(
         interval: 200, smooth: 3, reportVad: true);
+    // 在发送端设置双流模式并设置视频小流
+    await state.rctEngine.value?.setDualStreamMode(mode: SimulcastStreamMode.enableSimulcastStream);
 
     joinMeetingToRtc();
 
diff --git a/wgshare/lib/pages/metting/meeting_main_view.dart b/wgshare/lib/pages/metting/meeting_main_view.dart
index 73365ad..c63bb01 100644
--- a/wgshare/lib/pages/metting/meeting_main_view.dart
+++ b/wgshare/lib/pages/metting/meeting_main_view.dart
@@ -1479,7 +1479,8 @@ class MeetingMainPageState extends State<MeetingMainPage> {
                   rtcEngine: state.rctEngine.value!,
                   canvas: VideoCanvas(
                       uid: int.tryParse(state.remoteUid.value),
-                      setupMode: VideoViewSetupMode.videoViewSetupAdd),
+                      setupMode: VideoViewSetupMode.videoViewSetupAdd,
+                      renderMode: RenderModeType.renderModeFit),
                 ),
               )
             : Container(