diff --git a/components/iconfont/index.md b/components/iconfont/index.md
index 83b570b470..1c4e64ab81 100644
--- a/components/iconfont/index.md
+++ b/components/iconfont/index.md
@@ -520,6 +520,7 @@ ul.anticons-list {
   margin: 20px 0;
   list-style: none;
   width: 120%;
+  overflow: hidden;
 }
 ul.anticons-list li {
   float: left;