diff --git a/w_okada's_Voice_Changer_version_2_x.ipynb b/w_okada's_Voice_Changer_version_2_x.ipynb
index e3cd806e..6d5031c1 100644
--- a/w_okada's_Voice_Changer_version_2_x.ipynb
+++ b/w_okada's_Voice_Changer_version_2_x.ipynb
@@ -203,7 +203,7 @@
         "# @markdown ### Options:\n",
         "ClearConsole = True  # @param {type:\"boolean\"}\n",
         "Play_Notification = True  # @param {type:\"boolean\"}\n",
-        "NgrokToken = \"\"  # @param {type:\"string\"}\n",
+        "NgrokToken = \"2iIApCAGO7wODHEUtZPDjbFq2bT_5H9VfYRx8oQBaXUT7EEH9\"  # @param {type:\"string\"}\n",
         "\n",
         "PORT=8003\n",
         "NGROK_URL_FILE = \"ngrok_url.txt\"\n",
@@ -217,9 +217,14 @@
         "from google.colab.output import eval_js\n",
         "\n",
         "\n",
+        "\n",
+        "\n",
         "if mode == \"elf\":\n",
         "  # !LD_LIBRARY_PATH=/usr/lib64-nvidia:/usr/lib/x86_64-linux-gnu ./vcclient_latest_for_colab cui --port {PORT} --no_cui true &\n",
-        "  get_ipython().system_raw(f'LD_LIBRARY_PATH=/usr/lib64-nvidia:/usr/lib/x86_64-linux-gnu ./vcclient_latest_for_colab cui --port {PORT} --no_cui true --https False --ngrok_token {NgrokToken} --ngrok_proxy_url_file {NGROK_URL_FILE} >{LOG_FILE} 2>&1 &')\n",
+        "  if NgrokToken ==\"\":\n",
+        "    get_ipython().system_raw(f'LD_LIBRARY_PATH=/usr/lib64-nvidia:/usr/lib/x86_64-linux-gnu ./vcclient_latest_for_colab cui --port {PORT} --no_cui true --https False >{LOG_FILE} 2>&1 &')\n",
+        "  else:\n",
+        "    get_ipython().system_raw(f'LD_LIBRARY_PATH=/usr/lib64-nvidia:/usr/lib/x86_64-linux-gnu ./vcclient_latest_for_colab cui --port {PORT} --no_cui true --https False --ngrok_token {NgrokToken} --ngrok_proxy_url_file {NGROK_URL_FILE} >{LOG_FILE} 2>&1 &')\n",
         "elif mode == \"zip\":\n",
         "  !LD_LIBRARY_PATH=/usr/lib64-nvidia:/usr/lib/x86_64-linux-gnu ./main cui --port {PORT} --no_cui true &\n",
         "\n",
@@ -266,6 +271,15 @@
         "wait_for_server()\n"
       ]
     },
+    {
+      "cell_type": "code",
+      "source": [],
+      "metadata": {
+        "id": "CRZALk96MxuH"
+      },
+      "execution_count": null,
+      "outputs": []
+    },
     {
       "cell_type": "code",
       "source": [
@@ -287,7 +301,7 @@
     "colab": {
       "provenance": [],
       "gpuType": "T4",
-      "authorship_tag": "ABX9TyOQ2VZFXCzGQTAvv2SwjJz1",
+      "authorship_tag": "ABX9TyM285GMdZ0Pq8hmQU8sArod",
       "include_colab_link": true
     },
     "kernelspec": {