diff --git a/package/component/src/component/checkbox/index.less b/package/component/src/component/checkbox/index.less
index 2567e938..77b73239 100644
--- a/package/component/src/component/checkbox/index.less
+++ b/package/component/src/component/checkbox/index.less
@@ -79,7 +79,9 @@
   width: 29px;
   height: 28px;
   position: absolute;
-  border: 1px solid var(--global-neutral-color-6);
+  border-top: 1px solid var(--global-neutral-color-6);
+  border-bottom: 1px solid var(--global-neutral-color-6);
+  border-right: 1px solid var(--global-neutral-color-6);
   border-radius: 0 2px 2px 0;
   color: #fff;
   font-size: 20px;