diff --git a/.tmux.conf2 b/.tmux.conf2
new file mode 100644
index 0000000..1c4e79b
--- /dev/null
+++ b/.tmux.conf2
@@ -0,0 +1,13 @@
+set -g prefix ^a
+
+# Use Alt-arrow keys to switch panes
+bind -n M-Left select-pane -L
+bind -n M-Right select-pane -R
+bind -n M-Up select-pane -U
+bind -n M-Down select-pane -D
+
+# Shift arrow to switch windows
+bind -n S-Left previous-window
+bind -n S-Right next-window
+
+bind-key r source-file ~/.tmux.conf \; display-message "tmux.conf reloaded"
diff --git a/install.sh b/install.sh
index 2b3ec43..c64457d 100755
--- a/install.sh
+++ b/install.sh
@@ -187,6 +187,7 @@ uninstall_crontab(){
 install(){
     install_crontab
     insert_if_not_exist "${HOME}/.zshrc" "source ${dotfile_home_path}/.zshrc2"
+    insert_if_not_exist "${HOME}/.tmux.conf" "source-file ${dotfile_home_path}/.tmux.conf2"
     create_symlink "${dotfile_path}/.ssh/authorized_keys2" "${HOME}/.ssh/authorized_keys2"
     fmt_note "done installing!"
 }
@@ -196,6 +197,7 @@ uninstall(){
     if [[ $? == 1 ]]; then
         uninstall_crontab
         delete_if_exist "${HOME}/.zshrc" "source ${dotfile_home_path}/.zshrc2"
+        delete_if_exist "${HOME}/.tmux.conf" "source-file ${dotfile_home_path}/.tmux.conf2"
         delete_link_if_match "${dotfile_path}/.ssh/authorized_keys2" "${HOME}/.ssh/authorized_keys2"
         fmt_note "done uninstalling!"
     fi
diff --git a/tools/install.sh b/tools/install.sh
index 25b36a5..8e43bb0 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -6,11 +6,15 @@ install_commands=(\
     [fzf]="git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf &&  ~/.fzf/install" \
     [acme.sh]="curl https://get.acme.sh | sh -s email=${EMAIL:-me@beardic.cn}" \
     [oh-my-zsh]='sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"' \
+    [oh-my-tuna]='wget https://tuna.moe/oh-my-tuna/oh-my-tuna.py && sudo python oh-my-tuna.py --global' \
+    [v2ray]="bash <(curl -L https://raw.githubusercontent.com/v2fly/fhs-install-v2ray/master/install-release.sh) #--remove" \
+    [zerotier-one]='curl -s https://install.zerotier.com | sudo bash' \
+    [docker-ce]='curl -fsSL https://get.docker.com -o get-docker.sh && sudo sh get-docker.sh #--mirror Aliyun #--dry-run' \
 )
 
 install()
 {
-    echo ${install_commands[$1]}
+    echo -e ${install_commands[$1]}
 }
 
 install $1
diff --git a/tools/ubuntu.sh b/tools/ubuntu.sh
index 9b36071..4b7ea91 100755
--- a/tools/ubuntu.sh
+++ b/tools/ubuntu.sh
@@ -18,7 +18,7 @@ init()
 
     # mass installation
     apt update
-    apt install git tmux zsh curl wget dialog net-tools dnsutils netcat traceroute sudo python3 python3-pip cron inetutils-ping openssh-client openssh-server
+    apt install git tmux zsh curl wget dialog net-tools dnsutils netcat traceroute sudo python3 python3-pip cron inetutils-ping openssh-client openssh-server top htop
     for i in {fzf,ripgrep}; do apt install $i -y; done
 
     # custom dotfiles (usually not needed)
@@ -30,18 +30,11 @@ init()
     git config --global user.name "Dict Xiong"
 }
 
-install()
-{
-    echo to-do: install apt-less packages: $1
-    
-}
-
 router()
 {
     case $1 in
         init    ) init ;;
-        install ) install $2 ;;
-        *       ) echo unknown command "$1". available: init, install ;;
+        *       ) echo unknown command "$1". available: init ;;
     esac
 }