diff --git a/README b/README
index 7b798aea9374fdd230eaf6633729dab55db99a4b..08b0b52bb0bb210a0597382839f93c0afa09daa2 100644
--- a/README
+++ b/README
@@ -8,7 +8,7 @@ candidates for zero-el input methods.
 
 You can check zero-el document at https://blog.emacsos.com/zero-el.html
 
-* To build zero-panel
+* To build zero-panel from source
 Get [[https://mesonbuild.com][meson build tool]].
 
 #+BEGIN_SRC sh
@@ -18,7 +18,7 @@ meson setup --buildtype release release/
 ninja -C release/
 #+END_SRC
 
-* To create zero-panel deb package
+* To create zero-panel deb package from source
 rsync and [[https://github.com/jordansissel/fpm][fpm]] is required.
 
 #+BEGIN_SRC sh
diff --git a/create-deb.sh b/create-deb.sh
index e2dbe1b5340436c2dfc61231be66db5c525f0572..deff5ffb7f556df2fcb1c9a55dfee0f06113281e 100755
--- a/create-deb.sh
+++ b/create-deb.sh
@@ -23,13 +23,17 @@ mkdir -p \
       "$DEST"/usr/share/dbus-1/interfaces/ \
       "$DEST"/usr/share/dbus-1/services/ \
       "$DEST"/usr/bin/ \
-      "$DEST"/usr/share/zero-panel/
+      "$DEST"/usr/share/zero-panel/ \
+      "$DEST"/usr/share/man/man1/ \
+      "$DEST"/usr/share/doc/zero-panel/
 
 cp 'com.emacsos.zero.Panel1.PanelInterface.xml' "$DEST"/usr/share/dbus-1/interfaces/
 cp 'com.emacsos.zero.Panel1.service' "$DEST"/usr/share/dbus-1/services/
 sed -i -E 's:/home/sylecn/d/zero-panel:/usr/bin/zero-panel:' "$DEST"/usr/share/dbus-1/services/com.emacsos.zero.Panel1.service
 cp release/zero-panel "$DEST"/usr/bin/
 rsync -air themes/ "$DEST"/usr/share/zero-panel/
+cp zero-panel.1 "$DEST"/usr/share/man/man1/
+cp README "$DEST"/usr/share/doc/zero-panel/
 
 fpm -f -t deb -s dir -n zero-panel -v "$VERSION" \
     -d libgtk-3-0 \
diff --git a/meson.build b/meson.build
index 43567a3cb1e079e2bb68cea8dd6fd5bb842ca4d2..e64ee0769497066c9f55d0db408f73890d8f8f9a 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 # -*- mode: conf -*-
 project('zero-panel', 'c',
-  version: '1.0.1',
+  version: '1.1.0',
   license: 'EPL-2.0',
   default_options: [
     'warning_level=3',
@@ -20,6 +20,10 @@ install_data('com.emacsos.zero.Panel1.service',
 install_subdir('themes',
   install_dir: '/usr/share/zero-panel/',
   strip_directory: true)
+install_data('zero-panel.1',
+  install_dir: '/usr/share/man/man1/')
+install_data('README',
+  install_dir: '/usr/share/doc/zero-panel/')
 
 gen_inc = include_directories('.')
 
diff --git a/operational b/operational
index a9ef1a03ddfaedf6c15bc5770bd6eb5b021151f0..eab444a997c60c0b685f27d16b403f6b88fca263 100644
--- a/operational
+++ b/operational
@@ -6,6 +6,18 @@ Time-stamp: <2019-09-02>
 * later                                                               :entry:
 * current                                                             :entry:
 ** 
+** 2019-09-02 support user configuration of theme and panel orientation.
+is it supported by zero-el?
+** 2019-09-02 should I add README in deb file? where to install it to?
+/usr/share/doc/zero-panel/README
+
+- maybe also write a man page.
+  /usr/share/man/man1/zero-panel.1.gz
+
+  example man page
+  /usr/share/man/man1/python3.5.1.gz
+  /usr/share/man/man1/ls.1.gz generated by help-to-man
+
 ** 2019-09-02 remove black bg in round corner. should be transparent.
 is it because I don't have a compositor that support alpha?
 * done                                                                :entry:
diff --git a/zero-panel.1 b/zero-panel.1
new file mode 100644
index 0000000000000000000000000000000000000000..a1696c6685f9087031e1419bce000f656d86f6aa
--- /dev/null
+++ b/zero-panel.1
@@ -0,0 +1,41 @@
+.TH zero-panel 1 2019-09-02 
+.SH NAME
+zero-panel \- show candidates for zero-el input methods
+.SH SYNOPSIS
+.B zero-panel
+[OPTION...]
+.SH DESCRIPTION
+Run panel service for zero-el input methods.
+zero-panel is usually started automatically via dbus named service invocation.
+You don't need to run it yourself.
+.PP
+zero-panel support themes.
+Themes are gtk3 ui and css files.
+Theme can make the panel prettier.
+.PP
+zero-panel is a single instance daemon.
+If you start zero-panel when another zero-panel process is already running, it will print a message and exit immediately.
+.SH OPTIONS
+.TP
+.BR \-? ", " \-\-help
+show help options
+.TP
+.BR \-h ", " \-\-horizontal
+use horizontal mode.
+default is vertical mode
+.TP
+.BR \-t ", " \-\-theme
+which theme to use
+.SH FILES
+/usr/share/dbus-1/services/com.emacsos.zero.Panel1.service \(em zero-panel dbus service file.
+.PP
+/usr/share/dbus-1/interfaces/com.emacsos.zero.Panel1.PanelInterface.xml \(em dbus service interface file.
+This file describes the API.
+.PP
+/usr/share/zero-panel/ \(em zero-panel theme dir.
+Each theme should have a .ui file and optionally a .css file.
+.SH BUGS
+.TP
+zero-panel doesn't work with GNOME 3 GNOME shell environment.
+.SH AUTHOR
+Yuanle Song <sylecn@gmail.com>