diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index dfd6fbe..128217f 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -197,7 +197,7 @@ const Meeting: React.FC = () => {
     }, 1000)
     getDesktopCapturerVideoTime = setInterval(() => {
       setSharedScreenItem((i: any) => {
-        if (i) {
+        if (i && i.type === 0) {
           agora.getDesktopCapturerVideo({ width: 0, height: 0 }, { width: 0, height: 0 }, false).then(res => {
             if (res.length) {
               let row = res.find((item: any) => item.sourceId === i.sourceId)