diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f3fee9a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+torch-whl/
diff --git a/Dockerfile b/Dockerfile
index 61f259d..540aa98 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,16 @@
 FROM mingzailao/cuda:10.2-cudnn8-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
 
 
-RUN pip3 install torch==1.9.1+cu102  --extra-index-url https://download.pytorch.org/whl/cu102
-
+COPY ./torch-whl/torch-1.9.0+cu102-cp38-cp38-linux_x86_64.whl /torch-whl/torch-1.9.0+cu102-cp38-cp38-linux_x86_64.whl
+
+RUN pip3 install ./torch-whl/torch-1.9.0+cu102-cp38-cp38-linux_x86_64.whl