diff --git a/docker_env/django/Dockerfile b/docker_env/django/Dockerfile
index 3f8c93c76236c1b42ad3c880e4a8f591951d796e..c897fe383e7a7d85295b59e71d09688464c52af7 100644
--- a/docker_env/django/Dockerfile
+++ b/docker_env/django/Dockerfile
@@ -1,6 +1,6 @@
 FROM registry.cn-zhangjiakou.aliyuncs.com/dvadmin-pro/dvadmin3-base-backend:latest
 WORKDIR /backend
 COPY ./backend/ .
-RUN awk 'BEGIN { cmd="cp -i ./conf/env.example.py   ./conf/env.py "; print "n" |cmd; }'
+RUN awk 'BEGIN { cmd="cp -i ./conf/env.example.py ./conf/env.py"; print "n" |cmd; }'
 RUN python3 -m pip install -i https://pypi.tuna.tsinghua.edu.cn/simple/ -r requirements.txt
 CMD ["/backend/docker_start.sh"]