diff --git a/src/page/Meeting/ChatBigWindow/index.tsx b/src/page/Meeting/ChatBigWindow/index.tsx
index cfe6bb2..e87418b 100644
--- a/src/page/Meeting/ChatBigWindow/index.tsx
+++ b/src/page/Meeting/ChatBigWindow/index.tsx
@@ -37,12 +37,6 @@ const ChatBigWindow: React.FC = () => {
     }
     window.electron.windowHandleMessageCallBack((_e: any, data: any) => {
       setChatLists(data.parmes.chatList)
-      setTimeout(() => {
-        const chatBigWindowView = document.getElementById('chatBigWindowView') as HTMLElement;
-        if (chatBigWindowView) {
-          chatBigWindowView.scrollTop = chatBigWindowView.scrollHeight;
-        }
-      }, 100)
     })
     channel.postMessage({
       type: 'chatBigWindowSendChannelMsg',
@@ -54,6 +48,12 @@ const ChatBigWindow: React.FC = () => {
       channel.close();
     }
   }, []);
+  useEffect(() => {
+    const chatBigWindowView = document.getElementById('chatBigWindowView') as HTMLElement;
+    if (chatBigWindowView) {
+      chatBigWindowView.scrollTop = chatBigWindowView.scrollHeight;
+    }
+  }, [chatLists]);
 
   return (
     <>
diff --git a/src/page/Meeting/ChatSmallWindow/index.tsx b/src/page/Meeting/ChatSmallWindow/index.tsx
index 9df2e94..0a9da32 100644
--- a/src/page/Meeting/ChatSmallWindow/index.tsx
+++ b/src/page/Meeting/ChatSmallWindow/index.tsx
@@ -15,17 +15,17 @@ const ChatSmallWindow: React.FC = () => {
         }, 10000);
         return [data.parmes.chatListIten, ...newChatList]
       })
-      setTimeout(() => {
-        const chatSmallWindowView = document.getElementById('chatSmallWindowView') as HTMLElement;
-        if (chatSmallWindowView) {
-          chatSmallWindowView.scrollTop = chatSmallWindowView.scrollHeight;
-        }
-      }, 100)
     })
     return () => {
       channel.close();
     }
   }, []);
+  useEffect(() => {
+    const chatBigWindowView = document.getElementById('chatBigWindowView') as HTMLElement;
+    if (chatBigWindowView) {
+      chatBigWindowView.scrollTop = chatBigWindowView.scrollHeight;
+    }
+  }, [chatLists]);
   const removeItemByIndex = () => {
     setChatLists((res: any) => {
       return res.slice(0, -1)