diff --git a/components/alert/style/index.less b/components/alert/style/index.less
index f37fa71d7c..a977ea54f9 100644
--- a/components/alert/style/index.less
+++ b/components/alert/style/index.less
@@ -11,7 +11,7 @@
   border-radius: @border-radius-base;
   color: @alert-text-color;
   font-size: @font-size-base;
-  line-height: 16px;
+  line-height: @font-size-base + 4px;
 
   &&-no-icon {
     padding: 8px 48px 8px 16px;