diff --git a/packages/theme-default/src/components/Navbar.less b/packages/theme-default/src/components/Navbar.less
index 002c0e76e3..9c4df11525 100644
--- a/packages/theme-default/src/components/Navbar.less
+++ b/packages/theme-default/src/components/Navbar.less
@@ -81,6 +81,7 @@
 
       > a {
         color: #4d5164;
+        text-decoration: none;
 
         &:hover,
         &.active {