diff --git a/components/tag/style/index.less b/components/tag/style/index.less
index a61496b386..01d60c657c 100644
--- a/components/tag/style/index.less
+++ b/components/tag/style/index.less
@@ -9,7 +9,7 @@
   line-height: 20px;
   height: 22px;
   padding: 0 7px;
-  border-radius: @border-radius-sm;
+  border-radius: @border-radius-base;
   border: @border-width-base @border-style-base @border-color-base;
   background: @tag-default-bg;
   font-size: @tag-font-size;