diff --git a/components/input/demo/presuffix.md b/components/input/demo/presuffix.md
index 2b9b5dc05e..a5c8f0e373 100644
--- a/components/input/demo/presuffix.md
+++ b/components/input/demo/presuffix.md
@@ -59,4 +59,7 @@ ReactDOM.render(<App />, mountNode);
 .anticon-close-circle:hover {
   color: #999;
 }
+.anticon-close-circle:active {
+  color: #666;
+}
 ````
diff --git a/components/input/style/mixin.less b/components/input/style/mixin.less
index 786290cdd7..8463ef93f1 100644
--- a/components/input/style/mixin.less
+++ b/components/input/style/mixin.less
@@ -294,7 +294,7 @@
     top: 50%;
     transform: translateY(-50%);
     z-index: 2;
-    line-height: 1.2;
+    line-height: 0;
   }
 
   .@{inputClass}-prefix {