diff --git a/Dockerfile b/Dockerfile
index 9085d68..1fab714 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,15 @@
-FROM mingzailao/cuda:11.7.0-cudnn8-devel-ubuntu18.04
+FROM pytorch/pytorch:1.6.0-cuda10.1-cudnn7-devel
 
-RUN rm /usr/bin/python3
-RUN ln -s /usr/bin/python3.8 /usr/bin/python3
-RUN ln -s /usr/bin/python3 /usr/bin/python
-RUN apt-get install build-essential libatlas-base-dev gfortran -y
-RUN pip3 install Cython
-RUN pip3 install --upgrade pip
-COPY ./torch-whl/torch-1.13.1+cu117-cp38-cp38-linux_x86_64.whl /torch-whl/torch-1.13.1+cu117-cp38-cp38-linux_x86_64.whl
-COPY ./torch-whl/torchvision-0.14.1+cu117-cp38-cp38-linux_x86_64.whl /torch-whl/torchvision-0.14.1+cu117-cp38-cp38-linux_x86_64.whl
-COPY ./torch-whl/torchaudio-0.13.1+cu117-cp38-cp38-linux_x86_64.whl /torch-whl/torchaudio-0.13.1+cu117-cp38-cp38-linux_x86_64.whl
-RUN pip3 install ./torch-whl/torch-1.13.1+cu117-cp38-cp38-linux_x86_64.whl
-RUN pip3 install ./torch-whl/torchvision-0.14.1+cu117-cp38-cp38-linux_x86_64.whl
-RUN pip3 install ./torch-whl/torchaudio-0.13.1+cu117-cp38-cp38-linux_x86_64.whl
+# encoding
+RUN echo "LC_ALL=en_US.UTF-8" >> /etc/environment
+RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
+RUN echo "LANG=en_US.UTF-8" > /etc/locale.conf
 
 
 
 
+# fix (tzdata)
+ARG DEBIAN_FRONTEND=noninteractive
+
+
+