diff --git a/components/input/style/mixin.less b/components/input/style/mixin.less
index 870892f1cb..eac0eb984d 100644
--- a/components/input/style/mixin.less
+++ b/components/input/style/mixin.less
@@ -158,6 +158,7 @@
     border: 1px solid @input-border-color;
     border-radius: @border-radius-base;
     position: relative;
+    transition: all .3s;
 
     // Reset Select's style in addon
     .@{ant-prefix}-select {