diff --git a/INSTALL b/INSTALL
index d45b17e..c4f33b5 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,3 +1,13 @@
+===== Setup build environment for github code under Ubuntu =====
+$ sudo apt install autoconf libtool 
+$ cd ekho
+$ ./autogen.sh
+$ sudo apt install libsndfile1-dev libespeak-dev libpulse-dev
+$ cd ekho-data
+$ wget https://sourceforge.net/projects/e-guidedog/files/Ekho%20Voice%20Data/0.2/pinyin-yali-44100-v9.tar.bz2
+$ ./configure
+$ make
+
 ===== INSTALL (for Linux) =====
 You need to have following libraries first:
 * libespeak-dev
diff --git a/install.pl b/install.pl
index 1eb1d56..347ef27 100755
--- a/install.pl
+++ b/install.pl
@@ -100,7 +100,8 @@ ()
     `grep "13.04" /etc/lsb-release` ||
     `grep "14.04" /etc/lsb-release` ||
     `grep "15.10" /etc/lsb-release` ||
-    `grep "16.04" /etc/lsb-release`) {
+    `grep "16.04" /etc/lsb-release` ||
+    `grep "18.04" /etc/lsb-release`) {
   # ubuntu 12.10
   build_common() if (not $skip_build);
   `sudo ln -s /usr/lib/i386-linux-gnu/speech-dispatcher-modules /usr/lib/` if (not `grep "14.04" /etc/lsb-release`);