diff --git a/node_setup.sh b/node_setup.sh
index 77df4f0..cefed70 100644
--- a/node_setup.sh
+++ b/node_setup.sh
@@ -4,7 +4,7 @@
 # bjzllou 2012-08-13
 
 if [ $# -eq 0 ]; then
-	VERSION=0.6.4
+	VERSION=latest
 else
 	VERSION=$1
 fi
@@ -12,8 +12,16 @@ fi
 echo "install v$VERSION of node..."
 sleep 1
 
-NODE_VERSION=node-v$VERSION
-NODE_TAR=${NODE_VERSION}.tar.gz
+if [ "$VERSION" = "latest" ]; then
+	NODE_VERSION=node-latest
+	NODE_TAR=node-latest.tar.gz
+	DOWNLOAD_URL=http://nodejs.org/dist/node-latest.tar.gz
+else
+	NODE_VERSION=node-v$VERSION
+	NODE_TAR=${NODE_VERSION}.tar.gz
+	DOWNLOAD_URL=http://nodejs.org/dist/v${VERSION}/${NODE_TAR}
+fi
+
 APP_HOME=/home/app
 DOWNLOAD_HOME=/home/download
 
@@ -42,7 +50,7 @@ if [ -f $NODE_TAR ]; then
 	echo 'found'
 else
 	echo "download $NODE_VERSION..."
-	wget http://nodejs.org/dist/${NODE_TAR}
+	wget $DOWNLOAD_URL
 fi
 
 tar -zxvf $NODE_TAR