diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index c9ad194..862083d 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -989,9 +989,11 @@ const Meeting: React.FC = () => {
               const percentage = (item.volume / 255) * 100
               dom.style.height = `${percentage}%`
             }
-            if (domMe && !item.uid) {
+            if (!item.uid) {
               const percentage = (item.volume / 255) * 100
-              domMe.style.height = `${percentage}%`
+              if (domMe) {
+                domMe.style.height = `${percentage}%`
+              }
               window.electron.windowHandleMessage({
                 key: 'shareScreenWindow',
                 parmes: {