diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8dca1cd6..2dff6418 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,13 +5,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 ### Added
-- None.
+- added API reverse proxy in Apache conf.
 
 ### Changed
-- None.
+- replaced true with 1 in SQL statements of myems-api.
+- updated user insert sql statement for failed_login_count.
 
 ### Fixed
-- None.
+- fixed typo in virtualmetercarbon.
 
 ### Removed
 - None.
diff --git a/myems-admin/README.md b/myems-admin/README.md
index 93b70e8f..a8d189af 100644
--- a/myems-admin/README.md
+++ b/myems-admin/README.md
@@ -164,7 +164,7 @@ Listen 8001
 sudo vi /etc/apache2/sites-available/000-default.conf
 ```
 Add a new 'VirtualHost' as below
-```xml
+```
 <VirtualHost 127.0.0.1:8001>
         ServerAdmin MyEMS-admin
         DocumentRoot /var/www/myems-admin
@@ -173,9 +173,19 @@ Add a new 'VirtualHost' as below
                 Options FollowSymLinks
                 AllowOverride All
                 Require all granted
+    			Header set Access-Control-Allow-Origin *
         </Directory>
         ErrorLog ${APACHE_LOG_DIR}/error.log
         CustomLog ${APACHE_LOG_DIR}/access.log combined
+        ProxyRequests Off
+		ProxyPreserveHost On
+		
+		<Proxy *>
+			Order Deny,Allow
+			Allow from all
+		</Proxy>
+		ProxyPass /api http://127.0.0.1:8000/
+		ProxyPassReverse /api http://127.0.0.1:8000/
 </VirtualHost>
 ```
 
diff --git a/myems-web/README.md b/myems-web/README.md
index e9176d6e..b29ab4cd 100644
--- a/myems-web/README.md
+++ b/myems-web/README.md
@@ -230,9 +230,19 @@ Add a new 'VirtualHost' as below
                 Options FollowSymLinks
                 AllowOverride All
                 Require all granted
+    			Header set Access-Control-Allow-Origin *
         </Directory>
         ErrorLog ${APACHE_LOG_DIR}/error.log
         CustomLog ${APACHE_LOG_DIR}/access.log combined
+        ProxyRequests Off
+		ProxyPreserveHost On
+		
+		<Proxy *>
+			Order Deny,Allow
+			Allow from all
+		</Proxy>
+		ProxyPass /api http://127.0.0.1:8000/
+		ProxyPassReverse /api http://127.0.0.1:8000/
 </VirtualHost>
 ```
 
@@ -266,7 +276,7 @@ sudo vi .htaccess
 ```
   Add a IfModule as below:
 ```bash
-IfModule mod_rewrite.c>
+<IfModule mod_rewrite.c>
   RewriteEngine On
   RewriteBase /
   RewriteRule ^index\.html$ - [L]