diff --git a/components/input/style/mixin.less b/components/input/style/mixin.less
index 99cba41f68..09f6299ac5 100644
--- a/components/input/style/mixin.less
+++ b/components/input/style/mixin.less
@@ -251,6 +251,9 @@
   }
 
   &&-compact {
+    display: inline-block;
+    .clearfix;
+
     & > * {
       border-radius: 0;
       border-right-width: 0;