diff --git a/components/input/style/mixin.less b/components/input/style/mixin.less
index 53b50ca42d..6b698e1fc0 100644
--- a/components/input/style/mixin.less
+++ b/components/input/style/mixin.less
@@ -105,6 +105,7 @@
   position: relative;
   display: table;
   border-collapse: separate;
+  border-spacing: 0;
   width: 100%;
 
   // Undo padding and float of grid classes