diff --git a/components/menu/style/index.less b/components/menu/style/index.less
index 33bee5c6c4..623ec03733 100644
--- a/components/menu/style/index.less
+++ b/components/menu/style/index.less
@@ -358,7 +358,7 @@
 
     // disable margin collapsed
     .@{menu-prefix-cls}-submenu {
-      padding-bottom: 0.01px;
+      padding-bottom: 0.02px;
     }
 
     .@{menu-prefix-cls}-item:not(:last-child) {