s

app/[locale]/ebooks/[slug]/page.tsx

@@ -77,9 +77,15 @@ export default function EbookPage({ params }: { params: Promise<{ slug: string }
             </div>
 
             <div className="mt-8 flex flex-wrap gap-3">
-              <a href={item.mediaUrl || "#"} className="rounded-full bg-[#ff4d4f] px-5 py-3 text-sm font-semibold text-white hover:bg-[#ff7a45]">
-                下载电子书
-              </a>
+              {item.mediaUrl ? (
+                <a href={item.mediaUrl} className="rounded-full bg-[#ff4d4f] px-5 py-3 text-sm font-semibold text-white hover:bg-[#ff7a45]">
+                  下载电子书
+                </a>
+              ) : (
+                <span className="rounded-full bg-gray-200 px-5 py-3 text-sm font-semibold text-gray-500 dark:bg-gray-800 dark:text-gray-400">
+                  暂无下载文件
+                </span>
+              )}
               <Link href="/dashboard" className="rounded-full bg-[#ff4d4f] px-5 py-3 text-sm font-semibold text-white hover:bg-[#ff7a45]">
                 用城市数据规划路线
               </Link>