diff --git a/packages/theme-chalk/src/checkbox-group.scss b/packages/theme-chalk/src/checkbox-group.scss
index 3a4bc83824..994e74f64d 100644
--- a/packages/theme-chalk/src/checkbox-group.scss
+++ b/packages/theme-chalk/src/checkbox-group.scss
@@ -3,4 +3,5 @@
 
 @include b(checkbox-group) {
   font-size: 0;
+  line-height: 0;
 }