diff --git a/Dockerfile b/Dockerfile
index bdc55c01606c1a57ce23f879d2f8abec6f9c6336..1283530c965cd36a4ed53ac9d9a6acbb3b059bfd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -49,9 +49,11 @@ ENV SEAFILE_CONF_DIR=$ROOTPATH/seafile-data
 ENV GC_AT_STARTUP=false
 VOLUME $SEAFILE_CONF_DIR
 
-RUN wget https://download.seadrive.org/seafile-server_8.0.3_x86-64.tar.gz -O /tmp/seafile-server.tar.gz && \
+RUN wget https://download.seadrive.org/seafile-server_7.1.5_x86-64.tar.gz -O /tmp/seafile-server.tar.gz && \
     tar -C /tmp/ -xzvf /tmp/seafile-server.tar.gz && \
     rm /tmp/seafile-server.tar.gz && \
     mv /tmp/seafile-server-* $INSTALLPATH
+RUN rm -rf $INSTALLPATH/seahub/media/avatars && \
+    ln -s $ROOTPATH/seahub-data/avatars $INSTALLPATH/seahub/media/avatars
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
diff --git a/src/setenv.sh b/src/setenv.sh
index 3daa63b311376d074e067abd1762deb4d659c0db..615beb9bdbd15aaafd28c3aaa1b4aeb6a239a018 100755
--- a/src/setenv.sh
+++ b/src/setenv.sh
@@ -1 +1 @@
-export PYTHONPATH=${INSTALLPATH}/seafile/lib/python3.6/site-packages:${INSTALLPATH}/seafile/lib64/python3.6/site-packages:${INSTALLPATH}/seahub/thirdpart:$PYTHONPATH
+export PYTHONPATH=${INSTALLPATH}/seafile/lib/python2.7/site-packages:${INSTALLPATH}/seafile/lib64/python2.7/site-packages:${INSTALLPATH}/seahub/thirdpart:$PYTHONPATH