diff --git a/README.md b/README.md
index 08b9324..89f94fb 100755
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@
   <a href="#-quick-start">Quick Start</a> •
   <a href="#-features">Features</a> •
   <a href="#-benchmarks">Benchmarks</a> •
-  <a href="#-paper">Paper</a>
+  <a href="https://arxiv.org/abs/2506.08276" target="_blank">Paper</a>
 </p>
 
 ---
diff --git a/demo.ipynb b/demo.ipynb
index c76f340..5544f1d 100644
--- a/demo.ipynb
+++ b/demo.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": null,
    "metadata": {},
    "outputs": [
     {
@@ -236,6 +236,7 @@
       "[leann_backend_hnsw.hnsw_embedding_server LOG]: ZMQ socket timeout, continuing to listen\n",
       "[leann_backend_hnsw.hnsw_embedding_server LOG]: ZMQ socket timeout, continuing to listen\n",
       "[leann_backend_hnsw.hnsw_embedding_server LOG]: ZMQ socket timeout, continuing to listen\n",
+      "[leann_backend_hnsw.hnsw_embedding_server LOG]: ZMQ socket timeout, continuing to listen\n",
       "[leann_backend_hnsw.hnsw_embedding_server LOG]: ZMQ socket timeout, continuing to listen\n"
      ]
     }