diff --git a/docs/readthedocs/source/doc/Serving/Example/cluster-serving-http-example.ipynb b/docs/readthedocs/source/doc/Serving/Example/cluster-serving-http-example.ipynb
index 231cff66..560d9a29 100644
--- a/docs/readthedocs/source/doc/Serving/Example/cluster-serving-http-example.ipynb
+++ b/docs/readthedocs/source/doc/Serving/Example/cluster-serving-http-example.ipynb
@@ -229,7 +229,6 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Looking in indexes: http://10.239.45.10:8081/repository/pypi-group/simple, https://pypi.tuna.tsinghua.edu.cn/simple\n",
       "Requirement already satisfied: bigdl-serving in /home/user/anaconda3/envs/rec/lib/python3.6/site-packages (0.9.0)\n",
       "Requirement already satisfied: opencv-python in /home/user/anaconda3/envs/rec/lib/python3.6/site-packages (from bigdl-serving) (4.5.1.48)\n",
       "Requirement already satisfied: httpx in /home/user/anaconda3/envs/rec/lib/python3.6/site-packages (from bigdl-serving) (0.16.1)\n",
diff --git a/docs/readthedocs/source/doc/Serving/Example/keras-to-cluster-serving-example.ipynb b/docs/readthedocs/source/doc/Serving/Example/keras-to-cluster-serving-example.ipynb
index dab5e65c..d4cc1078 100644
--- a/docs/readthedocs/source/doc/Serving/Example/keras-to-cluster-serving-example.ipynb
+++ b/docs/readthedocs/source/doc/Serving/Example/keras-to-cluster-serving-example.ipynb
@@ -229,7 +229,6 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Looking in indexes: http://10.239.45.10:8081/repository/pypi-group/simple, https://pypi.tuna.tsinghua.edu.cn/simple\n",
       "Requirement already satisfied: bigdl-serving in /home/user/anaconda3/envs/rec/lib/python3.6/site-packages (0.9.0)\n",
       "Requirement already satisfied: opencv-python in /home/user/anaconda3/envs/rec/lib/python3.6/site-packages (from bigdl-serving) (4.5.1.48)\n",
       "Requirement already satisfied: httpx in /home/user/anaconda3/envs/rec/lib/python3.6/site-packages (from bigdl-serving) (0.16.1)\n",
diff --git a/docs/readthedocs/source/doc/Serving/Example/tf1-to-cluster-serving-example.ipynb b/docs/readthedocs/source/doc/Serving/Example/tf1-to-cluster-serving-example.ipynb
index 53e0b188..d963a10e 100644
--- a/docs/readthedocs/source/doc/Serving/Example/tf1-to-cluster-serving-example.ipynb
+++ b/docs/readthedocs/source/doc/Serving/Example/tf1-to-cluster-serving-example.ipynb
@@ -216,9 +216,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Looking in indexes: http://10.239.45.10:8081/repository/pypi-group/simple, https://pypi.tuna.tsinghua.edu.cn/simple\n",
       "Collecting bigdl-serving\n",
-      "  Downloading http://10.239.45.10:8081/repository/pypi-group/packages/bigdl-serving/0.9.0/analytics_zoo_serving-0.9.0-20201216-py2.py3-none-any.whl (17 kB)\n",
       "Requirement already satisfied: httpx in /home/user/anaconda3/envs/tf1/lib/python3.7/site-packages (from bigdl-serving) (0.17.1)\n",
       "Requirement already satisfied: pyarrow in /home/user/anaconda3/envs/tf1/lib/python3.7/site-packages (from bigdl-serving) (3.0.0)\n",
       "Requirement already satisfied: pyyaml in /home/user/anaconda3/envs/tf1/lib/python3.7/site-packages (from bigdl-serving) (5.4.1)\n",