diff --git a/src/style/var.less b/src/style/var.less
index 332bc6c5d..1599fe253 100644
--- a/src/style/var.less
+++ b/src/style/var.less
@@ -558,7 +558,7 @@
 // Popup
 @popup-background-color: @white;
 @popup-transition: transform @animation-duration-base;
-@popup-round-border-radius: 20px;
+@popup-round-border-radius: 16px;
 @popup-close-icon-size: 22px;
 @popup-close-icon-color: @gray-5;
 @popup-close-icon-active-color: @gray-6;