diff --git a/README.md b/README.md
index 679c5b1..e059592 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,10 @@
 # OpenLiteSpeed WordPress Docker Container (beta)
 [![Build Status](https://travis-ci.com/litespeedtech/ols-docker-env.svg?branch=master)](https://hub.docker.com/r/litespeedtech/openlitespeed)
-[![OpenLiteSpeed](https://img.shields.io/badge/openlitespeed-1.5.10-informational?style=flat&color=blue)](https://hub.docker.com/r/litespeedtech/openlitespeed)
+[![OpenLiteSpeed](https://img.shields.io/badge/openlitespeed-1.6.4-informational?style=flat&color=blue)](https://hub.docker.com/r/litespeedtech/openlitespeed)
 [![docker pulls](https://img.shields.io/docker/pulls/litespeed/openlitespeed?style=flat&color=blue)](https://hub.docker.com/r/litespeedtech/openlitespeed)
+[![docker-beta pulls](https://img.shields.io/docker/pulls/litespeed/openlitespeed?style=flat&color=blue)](https://hub.docker.com/r/litespeedtech/openlitespeed-beta)
 
-Lightweight WordPress container with OpenLiteSpeed 1.5.10 & PHP 7.3 based on Ubuntu 18.04 Linux.
-
-WordPress version will install: Latest
+Lightweight WordPress container with OpenLiteSpeed 1.6.4 & PHP 7.3 based on Ubuntu 18.04 Linux.
 
 ### Prerequisites
 1. [Install Docker](https://www.docker.com/)
@@ -16,19 +15,26 @@ git clone https://github.com/litespeedtech/ols-docker-env.git
 ```
 
 ## Configuration
-Edit the `.env` file to change the WordPress Domain, user and password, default MySQL root and wordpress password .
+Edit the `.env` file to update the demo site domain, default MySQL user and password.
 
 ## Installation
 Open a terminal and `cd` to the folder in which `docker-compose.yml` is saved and run:
 ```
 docker-compose up
 ```
-There's an existing `sites` folder next to your docker-compose.yml file.
 
-* `sites` – the location of your WordPress application
-* `sites/localhost/logs/` - the location of your access log
+## Components
+The docker image installs several packages and performs other actions on your system.
 
-The containers are now built and running. You should be able to access the WordPress installation with the configured domain in the browser address. By default it is http://127.0.0.1.
+|Component|Version|
+| :-------------: | :-------------: |
+|Linux|Ubuntu 18.04|
+|OpenLiteSpeed|[Latest version](https://openlitespeed.org/downloads/)|
+|MariaDB|[10.3](https://hub.docker.com/_/mariadb)|
+|PHP|[7.3](http://rpms.litespeedtech.com/debian/)|
+|LiteSpeed Cache|[Latest from WordPress.org](https://wordpress.org/plugins/litespeed-cache/)|
+|Certbot|[Latest from Certbot's PPA](https://launchpad.net/~certbot/+archive/ubuntu/certbot)|
+|WordPress|[Latest from WordPress](https://wordpress.org/download/)|
 
 ## Usage
 ### Starting containers
@@ -40,15 +46,7 @@ Running with daemon mode
 ```
 docker-compose up -d
 ```
-Running with start method
-```
-docker-compose start
-```
-
-Running start after config changing
-```
-docker-compose up --build
-```
+The containers are now built and running. 
 
 ### Stopping containers
 ```
@@ -59,10 +57,62 @@ To stop and remove all the containers use the down command:
 ```
 docker-compose down
 ```
+### Install packages
+Edit docker-compose.yml file and put the PACKAGE name on extensions entry, we use `vim` as example.
+```
+litespeed:
+  build:
+    context: ./config/litespeed/xxx/
+    args:
+      extensions: vim
+```
+After saving, running with `--build` after config changing
+```
+docker-compose up --build
+```
+
+### Set WebAdmin Password
+Strongly recommended to set personal passwprd at first time
+```
+bash bin/webadmin.sh my_password
+```
+### Start demo site
+After running follow command, you should be able to access the WordPress installation with the configured domain in the browser address. By default it is http://127.0.0.1.
+```
+bash bin/demosite.sh
+```
+### Create Domain with Virtual Host
+```
+bash bin/domain.sh -add example.com
+```
+### Create Database
+Auto generate method:
+```
+bash bin/database.sh -domain example.com
+```
+Specify method:
+```
+bash bin/database.sh -domain example.com -user user_name -password my_password -database database_name
+```
+### Download wordpress site
+If you ran the database.sh script first for the same domain, it will pre-config the wp-config for you
+```
+./bin/appinstall.sh -app wordpress -domain example.com
+```
+### Apply Let's Encrypt Certificate
+Just enter the root domain and it will auto check and auto apply with/with out www certificate for us.
+```
+./bin/cert.sh example.com
+```
+
+### Data Structure
+There's an existing `sites` folder next to your `docker-compose.yml` file.
 
+* `sites/DOMAIN/html/` – the location of your Document root (WordPress application will install here)
+* `sites/DOMAIN/logs/` - the location of your access log
 
 ### Adminer (formerly phpMinAdmin)
-You can also visit http://127.0.0.1:8080 to access Data Base after starting the containers.
+You can also visit http://127.0.0.1:8080 to access DataBase after starting the containers.
 
 The default username is root, and the password is the same as supplied in the .env file.
 
diff --git a/bin/container/appinstallctl.sh b/bin/container/appinstallctl.sh
index 86c5d0a..065794b 100755
--- a/bin/container/appinstallctl.sh
+++ b/bin/container/appinstallctl.sh
@@ -8,6 +8,7 @@ WWW_UID=''
 WWW_GID=''
 WP_CONST_CONF=''
 PUB_IP=$(curl -s http://checkip.amazonaws.com)
+DB_HOST='mysql'
 PLUGINLIST="litespeed-cache.zip"
 THEME='twentytwenty'
 
@@ -34,14 +35,14 @@ linechange(){
 
 ck_ed(){
     if [ ! -f /bin/ed ]; then
-        echo "no ed, ready to install"
+        echo "Install ed .."
         apt-get install ed -y > /dev/null 2>&1
     fi    
 }
 
 ck_unzip(){
     if [ ! -f /usr/bin/unzip ]; then 
-        echo "no unzip, ready to install"
+        echo "Install unzip .."
         apt-get install unzip -y > /dev/null 2>&1
     fi		
 }
@@ -62,7 +63,7 @@ get_db_pass(){
 		SQL_USER=$(grep -i Username ${VH_ROOT}/.db_pass | awk -F ':' '{print $2}' | tr -d '"')
 		SQL_PASS=$(grep -i Password ${VH_ROOT}/.db_pass | awk -F ':' '{print $2}' | tr -d '"')
 	else
-		echo 'DB_PASS can not locate!'
+		echo 'db pass file can not locate, skip wp-config pre-config.'
 	fi
 }
 
@@ -100,7 +101,7 @@ check_sql_native(){
 install_wp_plugin(){
     for PLUGIN in ${PLUGINLIST}; do
         wget -q -P ${VH_DOC_ROOT}/wp-content/plugins/ https://downloads.wordpress.org/plugin/${PLUGIN}
-        if [ $? = 0 ]; then
+        if [ ${?} = 0 ]; then
 		    ck_unzip
             unzip -qq -o ${VH_DOC_ROOT}/wp-content/plugins/${PLUGIN} -d ${VH_DOC_ROOT}/wp-content/plugins/
         else
@@ -219,7 +220,8 @@ preinstall_wordpress(){
 		linechange 'DB_USER' ${VH_DOC_ROOT}/wp-config.php "${NEWDBPWD}"
 		NEWDBPWD="define('DB_NAME', '${SQL_DB}');"
 		linechange 'DB_NAME' ${VH_DOC_ROOT}/wp-config.php "${NEWDBPWD}"
-        NEWDBPWD="define('DB_HOST', '${PUB_IP}');"
+        #NEWDBPWD="define('DB_HOST', '${PUB_IP}');"
+		NEWDBPWD="define('DB_HOST', '${DB_HOST}');"
 		linechange 'DB_HOST' ${VH_DOC_ROOT}/wp-config.php "${NEWDBPWD}"
 	elif [ -f ${VH_DOC_ROOT}/wp-config.php ]; then
 		echo "${VH_DOC_ROOT}/wp-config.php already exist, exit !"
@@ -249,7 +251,6 @@ change_owner(){
 		fi
 }
 
-
 main(){
 	set_vh_docroot ${DOMAIN}
 	get_owner