Update app.py

app.py

@@ -194,7 +194,7 @@ with gr.Blocks() as demo:
         <div style="text-align: center;">
             <a href="https://huggingface.co/THUDM/LongCite-glm4-9b">🤗 Model Hub</a> |
             <a href="https://github.com/THUDM/LongCite">🌐 Github</a> |
-            <a href="https://arxiv.org/pdf/2409.02897">📜 arxiv </a>
+            <a href="https://arxiv.org/abs/2409.02897">📜 arxiv </a>
         </div>
         <br>
         <div style="text-align: center; font-size: 15px; font-weight: bold; margin-bottom: 20px; line-height: 1.5;">