diff --git a/framework/core/less/forum/index.less b/framework/core/less/forum/index.less
index f014bbd64..9e962ad07 100644
--- a/framework/core/less/forum/index.less
+++ b/framework/core/less/forum/index.less
@@ -210,9 +210,12 @@
     list-style-type: none;
     padding: 0;
     margin: 0;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
 
     & > li {
-      display: inline-block;
+      display: inline;
     }
   }
   & .username {