fix error package name and add pip mirrorwq

dockerfiles/oj_web_server/Dockerfile

@@ -3,6 +3,6 @@ ENV PYTHONBUFFERED 1
 RUN mkdir -p /code/log /code/test_case /code/upload
 WORKDIR /code
 ADD requirements.txt /code/
-RUN pip install -r requirements.txt
+RUN pip install -i http://pypi.douban.com/simple  -r requirements.txt --trusted-host pypi.douban.com
 EXPOSE 8010
-CMD supervisord
+CMD supervisord

dockerfiles/oj_web_server/requirements.txt

@@ -12,4 +12,4 @@ pillow
 jsonfield
 Envelopes
 celery
-djcelery
+django-celery