优化Presentation显示效果

components/presentation/Presentation.jsx

@@ -210,13 +210,7 @@ export default function Presentation({ data }) {
     );
   }
 
-  if (!mounted) {
+
-    return (
-      <div className="min-h-screen bg-black flex items-center justify-center">
-        <div className="text-white text-xl">正在加载内容...</div>
-      </div>
-    );
-  }
 
   return (
     <>
@@ -226,9 +220,6 @@ export default function Presentation({ data }) {
           className="reveal"
         >
           <div className="slides">
-            <section>
-              <p>正在加载内容...</p>
-            </section>
           </div>
         </div>
       </div>