--- a/css/tram-im.css	Wed Jun 01 22:11:04 2016 +0800
+++ b/css/tram-im.css	Wed Jun 01 22:09:07 2016 +0800
@@ -147,9 +147,6 @@
     border-right: 1px solid #ddd;
 }
 .contact-list {
-}
-.contact-list > li:nth-child(n+2) {
-    border-top: 1px solid #ddd;
     margin: 0 -15px;
 }
 li.contact {