diff --git a/components/menu/style/index.less b/components/menu/style/index.less
index 69d4f59c0f..b9ddb8b192 100644
--- a/components/menu/style/index.less
+++ b/components/menu/style/index.less
@@ -157,6 +157,7 @@
     .@{iconfont-css-prefix} {
       min-width: 14px;
       margin-right: 10px;
+      font-size: @font-size-base + 2px;
       transition: font-size .15s @ease-out, margin .3s @ease-in-out;
       + span {
         transition: opacity .3s @ease-in-out, width .3s @ease-in-out;