Update ubuntu.sh

scripts/install/ubuntu.sh

@@ -65,13 +65,15 @@ if [ ! -d /www/server/mdserver-web ];then
 	rm -rf /tmp/mdserver-web-master
 fi 
 
-if [ ! -f /usr/local/bin/pip3 ];then
-    python3 -m pip install --upgrade pip setuptools wheel -i https://mirrors.aliyun.com/pypi/simple
-fi
 
 cd /www/server/mdserver-web/scripts && bash lib.sh
 chmod 755 /www/server/mdserver-web/data
 
+
+if [ ! -f /usr/local/bin/pip3 ];then
+    python3 -m pip install --upgrade pip setuptools wheel -i https://mirrors.aliyun.com/pypi/simple
+fi
+
 cd /www/server/mdserver-web && pip3 install -r /www/server/mdserver-web/requirements.txt
 
 pip install --upgrade pip