diff --git a/.bashrc b/.bashrc
index 1a238f5..a71c54c 100644
--- a/.bashrc
+++ b/.bashrc
@@ -34,6 +34,7 @@ export CVS_RSH=ssh
 # Define aliases:
 # Always list long directory and time.
 alias ll='ls -al --color=auto' # --time-style=long-iso --color=auto'
+alias l='ll'
 # Think twice before deletion. Though troublesome but strongly recommended!
 alias rm='rm -i'
 # Request X tunneling for SSH:
diff --git a/setup-home.sh b/setup-home.sh
index 31cf684..4ac0bc1 100644
--- a/setup-home.sh
+++ b/setup-home.sh
@@ -8,3 +8,4 @@ ln -s ~/linux.config/.emacs ~/
 ln -s ~/linux.config/.emacs.lisp ~/
 ln -s ~/linux.config/.bashrc ~/
 ln -s ~/linux.config/.bash_profile ~/
+. ~/.bahrc
\ No newline at end of file
diff --git a/setup-mongodb.sh b/setup-mongodb.sh
index dfa4dbf..c48a0da 100644
--- a/setup-mongodb.sh
+++ b/setup-mongodb.sh
@@ -14,3 +14,5 @@ curl https://www.mongodb.org/static/pgp/server-$Version.asc | sudo apt-key add -
 echo "deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/$Version main" | sudo tee /etc/apt/sources.list.d/mongodb-org-$Version.list
 sudo apt update
 sudo apt install mongodb-org -y
+echo "Enable as system service..."
+sudo systemctl enable mongod
diff --git a/setup-node-by-nvm.sh b/setup-node-by-nvm.sh
new file mode 100644
index 0000000..850186e
--- /dev/null
+++ b/setup-node-by-nvm.sh
@@ -0,0 +1,14 @@
+apt install curl -y
+
+echo "######## 安装 nvm ############################"
+curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash
+
+echo "######## 启用 nvm ############################"
+export NVM_DIR="$HOME/.nvm"
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" 
+[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"
+
+echo "######## 安装最新版 node #####################"
+nvm install node
+
+echo "######## node/npm 安装完毕！##################"