diff --git a/src/layouts/default/header/index.less b/src/layouts/default/header/index.less
index 28d9d1cdb8f..cc1a6403936 100644
--- a/src/layouts/default/header/index.less
+++ b/src/layouts/default/header/index.less
@@ -108,7 +108,7 @@
     align-items: center;
 
     &__item {
-      display: flex;
+      display: flex !important;
       height: @header-height;
       padding: 0 2px;
       font-size: 1.2em;