diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..964ad36
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+0.2.5-1
diff --git a/build/build.sh b/build/build.sh
index e4d8e61..a370dc1 100755
--- a/build/build.sh
+++ b/build/build.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-VERSION=$(cat ../lib/version)
+VERSION=$(cat ../VERSION)
 
 cd rpm
 ./build.sh $VERSION
diff --git a/build/debian/build.sh b/build/debian/build.sh
index 79948eb..ca746f7 100755
--- a/build/debian/build.sh
+++ b/build/debian/build.sh
@@ -7,10 +7,11 @@ VERSION=$1
 # share
 mkdir -p ./debian/usr/share/zjunet
 cp ../../miscellaneous/* ./debian/usr/share/zjunet
+cp ../../VERSION ./debian/usr/share/zjunet
 
 # lib
 mkdir -p ./debian/usr/lib/zjunet
-cp ../../lib/* ./debian/usr/lib/zjunet
+cp ../../lib/*.sh ./debian/usr/lib/zjunet
 
 # bin
 mkdir -p ./debian/usr/bin
diff --git a/build/openwrt/build.sh b/build/openwrt/build.sh
index 0020d1c..e4732f2 100755
--- a/build/openwrt/build.sh
+++ b/build/openwrt/build.sh
@@ -4,9 +4,14 @@ rm -rf *.opk
 
 VERSION=$1
 
+# share
+mkdir -p ./debian/usr/share/zjunet
+cp ../../miscellaneous/* ./debian/usr/share/zjunet
+cp ../../VERSION ./debian/usr/share/zjunet
+
 # lib
 mkdir -p ./debian/usr/lib/zjunet
-cp ../../lib/* ./debian/usr/lib/zjunet
+cp ../../lib/*.sh ./debian/usr/lib/zjunet
 
 # bin
 mkdir -p ./debian/usr/bin
diff --git a/build/rpm/build.sh b/build/rpm/build.sh
index 0f4d8ae..c5acf2b 100755
--- a/build/rpm/build.sh
+++ b/build/rpm/build.sh
@@ -10,6 +10,7 @@ mkdir -p rpm/
 
 # share
 cp ../../miscellaneous/* rpm/
+cp ../../VERSION rpm/
 
 # lib
 mkdir -p rpm/lib/
diff --git a/build/rpm/build_spec.sh b/build/rpm/build_spec.sh
index 619d41d..fc8a0ed 100755
--- a/build/rpm/build_spec.sh
+++ b/build/rpm/build_spec.sh
@@ -40,7 +40,7 @@ for f in *.sh; do
 echo "install -m 755 lib/$f \$RPM_BUILD_ROOT/usr/lib/zjunet/$f" >> ../zjunet.spec
 done
 cd ..
-echo 'install -m 644 lib/version $RPM_BUILD_ROOT/usr/lib/zjunet/version' >> zjunet.spec
+echo 'install -m 644 VERSION $RPM_BUILD_ROOT/usr/share/zjunet/VERSION' >> zjunet.spec
 echo 'install -m 644 qsc.public.key $RPM_BUILD_ROOT/usr/share/zjunet/qsc.public.key' >> zjunet.spec
 echo 'install -m 644 qsc.repo $RPM_BUILD_ROOT/usr/share/zjunet/qsc.repo' >> zjunet.spec
 echo "" >> zjunet.spec
@@ -50,8 +50,9 @@ echo "/usr/bin/zjunet" >> zjunet.spec
 echo "/usr/share/zjunet/qsc.public.key" >> zjunet.spec
 echo "/usr/share/zjunet/qsc.repo" >> zjunet.spec
 echo "/usr/share/zjunet/zjunet-postinst" >> zjunet.spec
+echo "/usr/share/zjunet/VERSION" >> zjunet.spec
 cd lib
-for f in *; do
+for f in *.sh; do
 echo "/usr/lib/zjunet/$f" >> ../zjunet.spec
 done
 cd ..
diff --git a/lib/VERSION b/lib/VERSION
new file mode 120000
index 0000000..6ff19de
--- /dev/null
+++ b/lib/VERSION
@@ -0,0 +1 @@
+../VERSION
\ No newline at end of file
diff --git a/lib/version b/lib/version
deleted file mode 100644
index a046040..0000000
--- a/lib/version
+++ /dev/null
@@ -1 +0,0 @@
-0.2.4-6
diff --git a/lib/zjunet.sh b/lib/zjunet.sh
index f5b0487..27486c7 100755
--- a/lib/zjunet.sh
+++ b/lib/zjunet.sh
@@ -40,13 +40,14 @@ case "$1" in
     dns)
         "${BASEDIR}/dns.sh"
         ;;
-    --version)
-        version=$(cat "${BASEDIR}/version" | sed 's/-.*//')
-        echo "zjunet version: zjunet-$version"
+    version|--version)
+        version_full=`cat "${BASEDIR}/VERSION"`
+        version=$(echo $version_full | sed 's/-.*//')
+        echo "zjunet version: $version (${version_full})"
         ;;
     *)
         cat <<EOF
-zjunet: CLI Tool (VPN/WLAN/DNS) for Zjuer
+zjunet: cli tool (VPN/WLAN/DNS) for network connection in ZJU
 
 Usage: zjunet [ACTION]
 
@@ -55,7 +56,7 @@ Actions:
         add            Add a user
         list           List all enabled users
         edit           Edit a (enabled) user
-        Note: to delete/disable a user, edit /etc/xl2tpd/xl2tpd.conf yourself
+      * Note: to delete/disable a user, edit /etc/xl2tpd/xl2tpd.conf
     all
         connect(-c)    Connect VPN & ZJUWLAN, and combine them using nexthop
         disconnect(-d) Disconnect VPN & ZJUWLAN
@@ -63,11 +64,11 @@ Actions:
         connect(-c)    Connect VPN and set up ip route
         disconnect(-d) Disconnect VPN and reset ip route
     wlan
-        connect(-c)    Login ZJUWLAN via curl
-        disconnect(-d) Logout ZJUWLAN via curl
-    route              Set up ip route
-    dns                Test and set up DNS Server
-    --version          Show Version
+        connect(-c)    Login ZJUWLAN using curl
+        disconnect(-d) Logout ZJUWLAN using curl
+    route              Set up static route
+    dns [server]       Test and set up DNS Server (default: 10.10.0.21)
+    version            Display program version
 EOF
         ;;
 esac