diff --git a/src/number-keyboard/index.less b/src/number-keyboard/index.less
index 6e9bb6150..ea9626f62 100644
--- a/src/number-keyboard/index.less
+++ b/src/number-keyboard/index.less
@@ -6,7 +6,7 @@
   left: 0;
   z-index: @number-keyboard-z-index;
   width: 100%;
-  padding-bottom: 28px;
+  padding-bottom: 22px;
   background-color: @number-keyboard-background-color;
   user-select: none;