diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index 7c91287..e8c251e 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -1753,7 +1753,7 @@ const Meeting: React.FC = () => {
   }
   // 获取桌面可共享屏幕的引用
   const getDesktopCapturerVideo = (): void => {
-    agora.getDesktopCapturerVideo({ width: 300, height: 300 }, { width: 300, height: 300 }, true).then((res: any) => {
+    agora.getDesktopCapturerVideo({ width: 50, height: 50 }, { width: 30, height: 30 }, true).then((res: any) => {
       res.forEach((item: any, index: number) => {
         if (item.type === 1) {
           item.sourceTitle = '桌面' + (index + 1)