diff --git a/Dockerfile b/Dockerfile
index 1fab714..cadf683 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,17 @@
-FROM pytorch/pytorch:1.6.0-cuda10.1-cudnn7-devel
-
-# 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
+FROM mingzailao/cuda:10.1-cudnn7-devel-ubuntu18.04
 
 
+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
 
 
-# fix (tzdata)
-ARG DEBIAN_FRONTEND=noninteractive
-
+COPY ./torch-whl/torch-1.7.0+cu101-cp38-cp38-linux_x86_64.whl /torch-whl/torch-1.7.0+cu101-cp38-cp38-linux_x86_64.whl
+COPY ./torch-whl/torchvision-0.8.0-cp38-cp38-linux_x86_64.whl /torch-whl/torchvision-0.8.0-cp38-cp38-linux_x86_64.whl
 
 
+RUN pip3 install ./torch-whl/torch-1.7.0+cu101-cp38-cp38-linux_x86_64.whl
+RUN pip3 install ./torch-whl/torchvision-0.8.0-cp38-cp38-linux_x86_64.whl