diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index 9341e82..02396dd 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -914,12 +914,18 @@ const Meeting: React.FC = () => {
         observer?.unobserve(element);
       });
       const observerObject = new IntersectionObserver(async (entries: IntersectionObserverEntry[], _observer: IntersectionObserver) => {
-        entries.forEach(async (entry) => {
-          if (entry.target.id !== user.uid) {
-            await agora.muteRemoteVideoStreamEx(Number(entry.target.id), !entry.isIntersecting)
-          }
-        });
-        await agora.muteRemoteVideoStreamEx(Number(currentVideoId), false)
+        setIsScreenCapture((bool: boolean) => {
+          entries.forEach(async (entry) => {
+            if (entry.target.id !== user.uid) {
+              await agora.muteRemoteVideoStreamEx(Number(entry.target.id), bool ? true : !entry.isIntersecting)
+            }
+          });
+          return bool
+        })
+        setIsScreenCapture((bool: boolean) => {
+          agora.muteRemoteVideoStreamEx(Number(currentVideoId), bool)
+          return bool
+        })
       }, { threshold: 0, root: document.getElementById('videoView') });
       setObserver(observerObject)
       elements.forEach(element => {