diff --git a/components/views/group/icon/GroupIcon.less b/components/views/group/icon/GroupIcon.less
index 7d52a8a1ad..c066ae9574 100644
--- a/components/views/group/icon/GroupIcon.less
+++ b/components/views/group/icon/GroupIcon.less
@@ -64,7 +64,6 @@
   }
 
   &.unread {
-    &:extend(.first-layer);
     position: relative;
 
     .label {