diff --git a/src/network.py b/src/network.py
index 5e6250a..0bf902a 100755
--- a/src/network.py
+++ b/src/network.py
@@ -544,6 +544,10 @@ class NetworkMgr(object):
 
     def has_user(self, username):
         [status, _value] = self.etcd.getkey("network/users/"+username)
+        self.load_usrgw(username)
+        if username not in self.usrgws.keys():
+            self.usrgws[username] = self.masterip
+            self.dump_usrgw(username)        
         return status
 
     def acquire_userips(self, username, num=1):
diff --git a/tools/update_baseurl.sh b/tools/update_baseurl.sh
new file mode 100755
index 0000000..4f5c4a1
--- /dev/null
+++ b/tools/update_baseurl.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+toolsdir=${0%/*}
+DOCKLET_TOOLS=$(cd $toolsdir; pwd)
+DOCKLET_HOME=${DOCKLET_TOOLS%/*}
+DOCKLET_CONF=$DOCKLET_HOME/conf
+
+. $DOCKLET_CONF/docklet.conf
+
+masterip=$(ifconfig ${NETWORK_DEVICE} | awk '/inet/ {print $2}' | awk -F: '{print $2}' | head -1)
+cons=$(ls /var/lib/lxc)
+
+echo ${masterip}
+for i in ${cons}
+do
+    sed -i "s/BASE_URL=\/go/BASE_URL=\/${masterip}\/go/g" /var/lib/lxc/${i}/rootfs/home/jupyter/jupyter.config
+    running=$(lxc-info -n ${i} | grep RUNNING)
+    if [ "${running}" != '' ]
+    then
+        echo "Stop ${i}..."
+        lxc-stop -k -n ${i}
+        echo "Start ${i}..."
+        lxc-start -n ${i}
+        lxc-attach -n ${i} -- su -c /home/jupyter/start_jupyter.sh
+        lxc-attach -n ${i} -- service ssh start
+    fi
+done