diff --git a/src/components/GlobalHeader/index.less b/src/components/GlobalHeader/index.less
index 4712d527..83d66312 100644
--- a/src/components/GlobalHeader/index.less
+++ b/src/components/GlobalHeader/index.less
@@ -13,7 +13,7 @@
 
 .right {
   float: right;
-  height: 100%;
+  height: @layout-header-height;
   margin-left: auto;
   overflow: hidden;
   .action {
@@ -51,7 +51,6 @@
 }
 
 .dark {
-  height: @layout-header-height;
   .action {
     color: rgba(255, 255, 255, 0.85);
     > i {