diff --git a/packages/toast/index.less b/packages/toast/index.less
index 063bd7560..44bbdfec7 100644
--- a/packages/toast/index.less
+++ b/packages/toast/index.less
@@ -9,7 +9,7 @@
   max-width: 80%;
   font-size: 14px;
   line-height: 20px;
-  border-radius: 5px;
+  border-radius: 4px;
   word-break: break-all;
   align-items: center;
   justify-content: center;