diff --git a/Dockerfile b/Dockerfile
index dca63956..c3ec99e7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,19 +1,18 @@
-FROM ubuntu:14.04
+FROM ubuntu:16.04
 MAINTAINER Doro Wu <fcwu.tw@gmail.com>
 
 ENV DEBIAN_FRONTEND noninteractive
-ENV HOME /home/ubuntu
 
 RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list
 
 # built-in packages
 RUN apt-get update \
-    && apt-get install -y --force-yes --no-install-recommends software-properties-common curl \
-    && sudo sh -c "echo 'deb http://download.opensuse.org/repositories/home:/Horst3180/xUbuntu_16.04/ /' >> /etc/apt/sources.list.d/arc-theme.list" \
-    && curl -SL http://download.opensuse.org/repositories/home:Horst3180/xUbuntu_16.04/Release.key | sudo apt-key add - \
+    && apt-get install -y --no-install-recommends software-properties-common curl \
+    && sh -c "echo 'deb http://download.opensuse.org/repositories/home:/Horst3180/xUbuntu_16.04/ /' >> /etc/apt/sources.list.d/arc-theme.list" \
+    && curl -SL http://download.opensuse.org/repositories/home:Horst3180/xUbuntu_16.04/Release.key | apt-key add - \
     && add-apt-repository ppa:fcwu-tw/ppa \
     && apt-get update \
-    && apt-get install -y --force-yes --no-install-recommends \
+    && apt-get install -y --no-install-recommends --allow-unauthenticated \
         supervisor \
         openssh-server pwgen sudo vim-tiny \
         net-tools \
@@ -26,6 +25,7 @@ RUN apt-get update \
         python-pip python-dev build-essential \
         mesa-utils libgl1-mesa-dri \
         gnome-themes-standard gtk2-engines-pixbuf gtk2-engines-murrine pinta arc-theme \
+        dbus-x11 x11-utils \
     && apt-get autoclean \
     && apt-get autoremove \
     && rm -rf /var/lib/apt/lists/*
@@ -41,4 +41,6 @@ RUN pip install setuptools wheel && pip install -r /usr/lib/web/requirements.txt
 
 EXPOSE 80
 WORKDIR /root
+ENV HOME=/home/ubuntu \
+    SHELL=/bin/bash
 ENTRYPOINT ["/startup.sh"]
diff --git a/image/etc/supervisor/conf.d/supervisord.conf b/image/etc/supervisor/conf.d/supervisord.conf
index 168cafa1..0b1c0266 100644
--- a/image/etc/supervisor/conf.d/supervisord.conf
+++ b/image/etc/supervisor/conf.d/supervisord.conf
@@ -11,16 +11,40 @@ redirect_stderr=true
 
 [program:lxsession]
 priority=15
-directory=/home/ubuntu
-command=/usr/bin/lxsession
+directory=/root
+command=/usr/bin/openbox
 user=root
 autostart=true
 autorestart=true
 stopsignal=QUIT
-environment=DISPLAY=":1",HOME="/home/ubuntu"
-stdout_logfile=/var/log/lxsession.log
+environment=DISPLAY=":1",HOME="/root",USER="root"
+stdout_logfile=/var/log/openbox.log
 redirect_stderr=true
 
+[program:lxpanel]
+priority=15
+directory=/root
+command=/usr/bin/lxpanel --profile LXDE
+user=root
+autostart=true
+autorestart=true
+stopsignal=QUIT
+environment=DISPLAY=":1",HOME="/root",USER="root"
+stdout_logfile=/var/log/lxpanel.log
+redirect_stderr=true
+
+[program:pcmanfm]
+priority=15
+directory=/root
+command=/usr/bin/pcmanfm --desktop --profile LXDE
+user=root
+autostart=true
+autorestart=true
+stopsignal=QUIT
+environment=DISPLAY=":1",HOME="/root",USER="root"
+stdout_logfile=/var/log/pcmanfm.log
+
+
 [program:x11vnc]
 priority=20
 directory=/
diff --git a/image/home/ubuntu/.gtkrc-2.0 b/image/root/.gtkrc-2.0
similarity index 93%
rename from image/home/ubuntu/.gtkrc-2.0
rename to image/root/.gtkrc-2.0
index 6b8def9c..e41091cd 100644
--- a/image/home/ubuntu/.gtkrc-2.0
+++ b/image/root/.gtkrc-2.0
@@ -17,4 +17,4 @@ gtk-xft-antialias=1
 gtk-xft-hinting=1
 gtk-xft-hintstyle="hintslight"
 gtk-xft-rgba="rgb"
-include "/home/ubuntu/.gtkrc-2.0.mine"
+include "/root/.gtkrc-2.0.mine"
diff --git a/image/startup.sh b/image/startup.sh
index c15fec4f..a7f413a2 100755
--- a/image/startup.sh
+++ b/image/startup.sh
@@ -2,21 +2,16 @@
 
 mkdir -p /var/run/sshd
 
-# create an ubuntu user
-# PASS=`pwgen -c -n -1 10`
-PASS=ubuntu
-# echo "Username: ubuntu Password: $PASS"
-id -u ubuntu &>/dev/null || useradd --create-home --shell /bin/bash --user-group --groups adm,sudo ubuntu
-echo "ubuntu:$PASS" | chpasswd
-chown -R ubuntu:ubuntu /home/ubuntu
-sudo -u ubuntu -i bash -c "mkdir -p /home/ubuntu/.config/pcmanfm/LXDE/ \
-    && cp /usr/share/doro-lxde-wallpapers/desktop-items-0.conf /home/ubuntu/.config/pcmanfm/LXDE/"
+chown -R root:root /root
+mkdir -p /root/.config/pcmanfm/LXDE/
+cp /usr/share/doro-lxde-wallpapers/desktop-items-0.conf /root/.config/pcmanfm/LXDE/
 
 if [ -n "$VNC_PASSWORD" ]; then
     echo -n "$VNC_PASSWORD" > /.password1
     x11vnc -storepasswd $(cat /.password1) /.password2
     chmod 400 /.password*
     sed -i 's/^command=x11vnc.*/& -rfbauth \/.password2/' /etc/supervisor/conf.d/supervisord.conf
+    export VNC_PASSWORD=
 fi
 
 cd /usr/lib/web && ./run.py > /var/log/web.log 2>&1 &
diff --git a/image/usr/lib/web/lightop/__init__.py b/image/usr/lib/web/lightop/__init__.py
index 8e2e19f1..c117c03d 100644
--- a/image/usr/lib/web/lightop/__init__.py
+++ b/image/usr/lib/web/lightop/__init__.py
@@ -112,7 +112,7 @@ def redirectme():
     # check all running
     for i in xrange(20):
         output = subprocess.check_output(r"supervisorctl status | grep RUNNING | wc -l", shell=True)
-        if output.strip() == "4":
+        if output.strip() == "6":
             FIRST = False
             return HTML_REDIRECT
         time.sleep(2)