diff --git a/components/input/style/index.less b/components/input/style/index.less
index be6083d2b..4a47f781b 100644
--- a/components/input/style/index.less
+++ b/components/input/style/index.less
@@ -13,7 +13,7 @@
   .input-group(~"@{ant-prefix}-input");
   &-wrapper {
     display: inline-block;
-    vertical-align: middle;
+    vertical-align: top; // https://github.com/ant-design/ant-design/issues/6403
   }
 }