diff --git a/src/notice-bar/index.less b/src/notice-bar/index.less
index f7dad9211..0ded50105 100644
--- a/src/notice-bar/index.less
+++ b/src/notice-bar/index.less
@@ -24,8 +24,10 @@
 
   &__wrap {
     position: relative;
+    display: flex;
     flex: 1;
-    height: @notice-bar-line-height;
+    align-items: center;
+    height: 100%;
     overflow: hidden;
   }