diff --git a/build/build.sh b/build/build.sh
index ddc6d5c..c2a7424 100755
--- a/build/build.sh
+++ b/build/build.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-VERSION=0.1.0-7
+VERSION=0.1.0-8
 
 cd debian
 ./build.sh $VERSION > /dev/null
diff --git a/build/debian/build.sh b/build/debian/build.sh
index ae4c125..b711c8f 100755
--- a/build/debian/build.sh
+++ b/build/debian/build.sh
@@ -21,7 +21,7 @@ Version: $VERSION
 Section: net
 Priority: optional
 Architecture: all
-Depends: xl2tpd (>= 1.3.1), curl
+Depends: xl2tpd, curl
 Maintainer: Zeno Zeng <zenoofzeng@gmail.com>
 Description: Command Line Scripts for ZJU
  This script provides a VPN / WLAN / NEXTHOP for ZJUer.
diff --git a/build/openwrt/build.sh b/build/openwrt/build.sh
index d1e1646..1c7901d 100755
--- a/build/openwrt/build.sh
+++ b/build/openwrt/build.sh
@@ -21,7 +21,7 @@ Version: $VERSION
 Section: net
 Priority: optional
 Architecture: all
-Depends: xl2tpd (>= 1.3.1), curl
+Depends: xl2tpd, curl
 Maintainer: Zeno Zeng <zenoofzeng@gmail.com>
 Description: Command Line Scripts for ZJU
  This script provides a VPN / WLAN / NEXTHOP for ZJUer.
diff --git a/lib/zjunet.sh b/lib/zjunet.sh
index a4117be..623b047 100755
--- a/lib/zjunet.sh
+++ b/lib/zjunet.sh
@@ -40,6 +40,9 @@ case "$1" in
     dns)
         "${BASEDIR}/dns.sh"
         ;;
+    --version)
+        echo "zjunet version: zjunet-0.1.0"
+        ;;
     *)
         cat <<EOF
 zjunet: CLI Tool (VPN/WLAN/DNS) for Zjuer