From b2ac11bc47b77e4a2dede3799fe34cc15ce9deda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9D=9E=E6=B3=95=E6=93=8D=E4=BD=9C?= <hjlarry@163.com>
Date: Thu, 12 Jun 2025 14:18:15 +0800
Subject: [PATCH] fix: markdown button can't send message (#20933)

---
 web/app/components/base/markdown-blocks/button.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/app/components/base/markdown-blocks/button.tsx b/web/app/components/base/markdown-blocks/button.tsx
index 4646b1292..315653bcd 100644
--- a/web/app/components/base/markdown-blocks/button.tsx
+++ b/web/app/components/base/markdown-blocks/button.tsx
@@ -14,7 +14,7 @@ const MarkdownButton = ({ node }: any) => {
     size={size}
     className={cn('!h-auto min-h-8 select-none whitespace-normal !px-3')}
     onClick={() => {
-      if (isValidUrl(link)) {
+      if (link && isValidUrl(link)) {
         window.open(link, '_blank')
         return
       }