diff --git a/packages/theme-chalk/src/menu.scss b/packages/theme-chalk/src/menu.scss
index cffddb83d8..d32b06cbac 100644
--- a/packages/theme-chalk/src/menu.scss
+++ b/packages/theme-chalk/src/menu.scss
@@ -162,7 +162,7 @@
         display: none;
       }
 
-      span {
+      > span {
         height: 0;
         width: 0;
         overflow: hidden;