diff --git a/src/utils/package/agora.ts b/src/utils/package/agora.ts
index 691dd73..99b88e4 100644
--- a/src/utils/package/agora.ts
+++ b/src/utils/package/agora.ts
@@ -6,7 +6,9 @@ import {
   ScreenCaptureSourceType,
   RenderModeType,
   ChannelProfileType,
-  AudioAinsMode
+  AudioAinsMode,
+  SimulcastStreamMode,
+  VideoStreamType
 } from "agora-electron-sdk";
 import { GetRoomRtcToken } from "@/api/Home/Index";
 import { storage } from '@/utils';
@@ -127,6 +129,19 @@ export const agora = {
       // // 用户音量提示回调。
       onAudioVolumeIndication: async (_connection: any, speakers: any, _speakerNumber: any, _totalVolume: any,) => {
         await onAudioVolumeIndication(speakers)
+      },
+      onVideoSizeChanged: async (connection: any,
+        sourceType: VideoSourceType,
+        uid: number,
+        width: number,
+        height: number,
+        rotation: number) => {
+        console.log(connection,
+          sourceType,
+          uid,
+          width,
+          height,
+          rotation);
       }
     });
   },
@@ -209,6 +224,16 @@ export const agora = {
   joinChannel: async () => {
     await rtcEngine.enableAudioVolumeIndication(100, 1, true)
     await rtcEngine.joinChannel(option.token, option.channelId, option.uid);
+    await rtcEngine.setDualStreamMode(
+      SimulcastStreamMode.EnableSimulcastStream,
+      {
+        dimensions: {
+          width: 160,
+          height: 160
+        },
+        framerate: 5,
+      }
+    );
   },
   // 更新频道配置
   updateChannelMediaOptions: async (bool: boolean) => {
@@ -220,6 +245,23 @@ export const agora = {
       publishCameraTrack: true,//设置是否发布摄像头采集的视频
       publishScreenTrack: false,//设置是否发布屏幕采集的视频
     })
+    // if (bool) {
+    //   setTimeout(() => {
+    //     rtcEngine.setRemoteVideoStreamType(
+    //       Number(option.uid),
+    //       VideoStreamType.VideoStreamHigh,
+    //     )
+    //     console.log(111111);
+    //     setTimeout(() => {
+    //       rtcEngine.setRemoteVideoStreamType(
+    //         Number(option.uid),
+    //         VideoStreamType.VideoStreamLow,
+    //       )
+    //       console.log(222222);
+    //     }, 10000);
+    //   }, 10000);
+    //   // VideoStreamType.VideoStreamHigh,
+    // }
   },
   // 共享屏幕单独用户
   joinChannelEx: async (uid: any) => {
diff --git a/vite.config.ts b/vite.config.ts
index 2a9a83b..7487160 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -61,7 +61,9 @@ export default defineConfig({
         ScreenCaptureSourceType,
         VideoSourceType,
         VideoViewSetupMode,
-        AudioAinsMode
+        AudioAinsMode,
+        SimulcastStreamMode,
+        VideoStreamType
        } = require("agora-electron-sdk")
       export {
         createAgoraRtcEngine,
@@ -71,7 +73,9 @@ export default defineConfig({
         ScreenCaptureSourceType,
         VideoSourceType,
         VideoViewSetupMode,
-        AudioAinsMode
+        AudioAinsMode,
+        SimulcastStreamMode,
+        VideoStreamType
       }
     `,
     })