diff --git a/VoiceRecorder.ipynb b/VoiceRecorder.ipynb
index 0bccdf9c..46b40f3b 100644
--- a/VoiceRecorder.ipynb
+++ b/VoiceRecorder.ipynb
@@ -4,8 +4,7 @@
   "metadata": {
     "colab": {
       "provenance": [],
-      "collapsed_sections": [],
-      "authorship_tag": "ABX9TyP6Wv8fttT+X2Op6MmqB/kg",
+      "authorship_tag": "ABX9TyMgL73lmseS7jsiBW+SSenN",
       "include_colab_link": true
     },
     "kernelspec": {
@@ -25,9 +24,26 @@
         "colab_type": "text"
       },
       "source": [
-        "<a href=\"https://colab.research.google.com/github/w-okada/voice-changer/blob/dev/VoiceRecorder.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+        "<a href=\"https://colab.research.google.com/github/w-okada/voice-changer/blob/master/VoiceRecorder.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
       ]
     },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "# このノートブックは管理されていません。\n",
+        "# VCClientをColabで使用する場合は、次のノートブックをご使用ください。\n",
+        "\n",
+        "# This notebook is not being managed.\n",
+        "# If you're using VCClient in Colab, please use the following notebook.\n",
+        "\n",
+        "https://github.com/w-okada/voice-changer/blob/master/Realtime_Voice_Changer_on_Colab.ipynb\n",
+        "\n",
+        "\n"
+      ],
+      "metadata": {
+        "id": "1ixPDugV0EA2"
+      }
+    },
     {
       "cell_type": "markdown",
       "source": [
@@ -84,7 +100,7 @@
         "id": "Eihm8H2X-7wm",
         "outputId": "76331fb1-5ef8-40e6-a381-258b5e425853"
       },
-      "execution_count": 1,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
@@ -105,7 +121,7 @@
       "metadata": {
         "id": "nSXATMWYb4Ik"
       },
-      "execution_count": 2,
+      "execution_count": null,
       "outputs": []
     },
     {
@@ -132,7 +148,7 @@
         "id": "86wTFmqsNMnD",
         "outputId": "40471833-d720-41c9-f4a7-ac15fbf18e14"
       },
-      "execution_count": 3,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
@@ -179,7 +195,7 @@
       "metadata": {
         "id": "ow88ZaubluOJ"
       },
-      "execution_count": 4,
+      "execution_count": null,
       "outputs": []
     },
     {
@@ -196,7 +212,7 @@
         "id": "rpWUobjlBCNF",
         "outputId": "285e0259-16af-4932-e78b-bec94f337e9c"
       },
-      "execution_count": 5,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
@@ -256,7 +272,7 @@
         "id": "LwZAAuqxX7yY",
         "outputId": "ea2b3b39-d571-4d47-a38b-d0e657a335cd"
       },
-      "execution_count": 6,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
@@ -290,9 +306,9 @@
       "source": [
         "# サーバの起動\n",
         "\n",
-        "サーバを起動します。(5-1) \n",
+        "サーバを起動します。(5-1)\n",
         "\n",
-        "サーバの起動状況を確認します。(5-2) \n",
+        "サーバの起動状況を確認します。(5-2)\n",
         "\n",
         "このセルは繰り返し実行することになるのでCtrl+Retでセルを実行してください。\n",
         "\n",
@@ -329,7 +345,7 @@
       "metadata": {
         "id": "iNOAB7zISI6J"
       },
-      "execution_count": 7,
+      "execution_count": null,
       "outputs": []
     },
     {
@@ -345,7 +361,7 @@
         "id": "chu06KpAjEK6",
         "outputId": "6f5cbed9-65a7-4570-f58a-5447e402947c"
       },
-      "execution_count": 10,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
@@ -396,7 +412,7 @@
         },
         "outputId": "7d2664b8-945c-4ee6-b49f-51f7f96cf388"
       },
-      "execution_count": 11,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "display_data",
@@ -516,7 +532,7 @@
         "for chara in data_setting:\n",
         "  chara_root_dir = os.path.join(MMVC_DATA_DIR, chara[3])\n",
         "  os.makedirs(chara_root_dir, exist_ok=True)\n",
-        "  \n",
+        "\n",
         "  chara_text_dir = os.path.join(chara_root_dir, \"text\")\n",
         "  os.makedirs(chara_text_dir, exist_ok=True)\n",
         "  chara_wav_dir = os.path.join(chara_root_dir, \"wav\")\n",