diff --git a/components/style/themes/variable.less b/components/style/themes/variable.less
index 2a7f995d07..3a8e45e528 100644
--- a/components/style/themes/variable.less
+++ b/components/style/themes/variable.less
@@ -325,7 +325,7 @@
 @checkbox-check-color: #fff;
 @checkbox-check-bg: @checkbox-check-color;
 @checkbox-border-width: @border-width-base;
-@checkbox-border-radius: @border-radius-base;
+@checkbox-border-radius: @border-radius-sm;
 @checkbox-group-item-margin-right: 8px;
 
 // Descriptions