From a64eeb91a596e886879e46f618694db8cbd7550e Mon Sep 17 00:00:00 2001
From: 3lang3 <675483520@qq.com>
Date: Thu, 1 Jun 2023 17:46:47 +0800
Subject: [PATCH] fix: #643 (#650)

---
 packages/react-vant/src/components/dialog/Dialog.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/react-vant/src/components/dialog/Dialog.tsx b/packages/react-vant/src/components/dialog/Dialog.tsx
index d4ef972a7..90cd67871 100644
--- a/packages/react-vant/src/components/dialog/Dialog.tsx
+++ b/packages/react-vant/src/components/dialog/Dialog.tsx
@@ -89,7 +89,7 @@ const Dialog: React.FC<DialogProps> = props => {
           className={clsx(bem('confirm'), {
             [BORDER_LEFT]: props.showCancelButton,
           })}
-          round={theme === 'round-button'}
+          round={theme === 'round-button' || undefined}
           style={{ color: props.confirmButtonColor }}
           loading={props.confirmProps?.loading}
           disabled={props.confirmProps?.disabled}