diff --git a/packages/uiweb/src/lib/components/chat/ChatViewList/ChatViewList.tsx b/packages/uiweb/src/lib/components/chat/ChatViewList/ChatViewList.tsx
index f51098d0b..2ecbd0e52 100644
--- a/packages/uiweb/src/lib/components/chat/ChatViewList/ChatViewList.tsx
+++ b/packages/uiweb/src/lib/components/chat/ChatViewList/ChatViewList.tsx
@@ -293,7 +293,9 @@ export const ChatViewList: React.FC<IChatViewListProps> = (options: IChatViewLis
       return () => clearTimeout(timer);
     }
 
-    return () => {};
+    return () => {
+      // add comment
+    };
   }, [chatAcceptStream, participantJoinStream]);
 
   // Change listtype to 'UINITIALIZED' and hidden to true when participantRemoveStream or participantLeaveStream is received
@@ -585,5 +587,5 @@ const ChatViewListCard = styled(Section)<IThemeProps>`
 `;
 
 const ChatViewListCardInner = styled(Section)<IThemeProps>`
-  filter: ${(props) => (props.blur ? 'blur(6px)' : 'none')};
+  filter: ${(props) => (props.blur ? 'blur(12px)' : 'none')};
 `;