diff --git a/src/page/Meeting/index.module.scss b/src/page/Meeting/index.module.scss
index 23077fc..014e633 100644
--- a/src/page/Meeting/index.module.scss
+++ b/src/page/Meeting/index.module.scss
@@ -228,7 +228,7 @@
           position: absolute !important;
           bottom: 0;
           left: 0;
-          height: calc(100% - 300px) !important;
+          height: calc(100% - 260px) !important;
           width: 100% !important;
         }
 
@@ -242,7 +242,7 @@
         }
 
         .meetingContentSwiperCard {
-          height: 300px;
+          height: 260px;
           width: calc(100% / 4);
           border-radius: 10px;
           overflow: hidden;
diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index a32a5c7..6567173 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -12,7 +12,7 @@ import ImageUrl from '@/utils/package/imageUrl'
 import agora from '@/utils/package/agora'
 import StupWizard from '@/components/StupWizard';
 import SpeakerModeModal from '@/components/SpeakerModeModal';
-import { onInvoke, onSignalr } from '@/utils/package/signalr';
+import { onInvoke, onSignalr, offSignalr } from '@/utils/package/signalr';
 import dayjs from 'dayjs';
 import durationPlugin from 'dayjs/plugin/duration';
 import { VideoSourceType } from 'agora-electron-sdk';
@@ -188,6 +188,9 @@ const Meeting: React.FC = () => {
           break;
       }
     })
+    return () => {
+      offSignalr()
+    }
   }, [])
 
   useEffect(() => {
diff --git a/src/utils/package/signalr.ts b/src/utils/package/signalr.ts
index 4409c66..b5af56d 100644
--- a/src/utils/package/signalr.ts
+++ b/src/utils/package/signalr.ts
@@ -37,6 +37,13 @@ export const onSignalr = (callBack: Function) => {
     });
   }
 }
+export const offSignalr = () => {
+  if (connection) {
+    connection.off('ReceiveMessage');
+    connection.off('RefreshUserList');
+    connection.off('Operation');
+  }
+}
 export const onInvoke = async (str: string, data: any) => {
   switch (str) {
     case 'joinChannel':