diff --git a/scripts/update/centos.sh b/scripts/update/centos.sh
index 6f1f75252..3caaac745 100755
--- a/scripts/update/centos.sh
+++ b/scripts/update/centos.sh
@@ -28,22 +28,29 @@ if [ ! -f /www/server/mdserver-web/bin/activate ];then
 fi
 
 
-if [ -f /www/server/mdserver-web/bin/activate ];then
-    cd /www/server/mdserver-web && source /www/server/mdserver-web/bin/activate && pip3 install -r /www/server/mdserver-web/requirements.txt
-else
-    cd /www/server/mdserver-web && pip3 install -r /www/server/mdserver-web/requirements.txt
-fi
-
 pip install --upgrade pip
+cd /www/server/mdserver-web && pip3 install -r /www/server/mdserver-web/requirements.txt
 pip3 install gunicorn==20.1.0
 pip3 install gevent==21.1.2
 pip3 install gevent-websocket==0.10.1
 pip3 install requests==2.20.0
 pip3 install flask-caching==1.10.1
-pip3 install python-socketio==4.2.0
 pip3 install psutil==5.9.1 
 pip3 install pymongo
 
+if [ -f /www/server/mdserver-web/bin/activate ];then
+    cd /www/server/mdserver-web && source /www/server/mdserver-web/bin/activate
+    pip install --upgrade pip
+    pip3 install -r /www/server/mdserver-web/requirements.txt
+    pip3 install gunicorn==20.1.0
+    pip3 install gevent==21.1.2
+    pip3 install gevent-websocket==0.10.1
+    pip3 install requests==2.20.0
+    pip3 install flask-caching==1.10.1
+    pip3 install psutil==5.9.1 
+    pip3 install pymongo
+fi
+
 
 if [ -f /etc/init.d/mw ]; then
     sh /etc/init.d/mw stop && rm -rf  /www/server/mdserver-web/scripts/init.d/mw && rm -rf  /etc/init.d/mw