diff --git a/src/style/var.less b/src/style/var.less
index 2c73fc235..2f7f6ab11 100644
--- a/src/style/var.less
+++ b/src/style/var.less
@@ -243,7 +243,7 @@
 @dialog-small-screen-width: 90%;
 @dialog-font-size: @font-size-lg;
 @dialog-transition: @animation-duration-base;
-@dialog-border-radius: @border-radius-md;
+@dialog-border-radius: 16px;
 @dialog-background-color: @white;
 @dialog-header-font-weight: @font-weight-bold;
 @dialog-header-line-height: 24px;