diff --git a/.gitconfig2 b/.gitconfig2
new file mode 100644
index 0000000..ba6799e
--- /dev/null
+++ b/.gitconfig2
@@ -0,0 +1,3 @@
+[user]
+	email = me@beardic.cn
+	name = Dict Xiong
diff --git a/.zshrc2 b/.zshrc2
index 5870919..95622cd 100644
--- a/.zshrc2
+++ b/.zshrc2
@@ -42,19 +42,27 @@ fi
 source "$ANTIGEN"
 antigen use oh-my-zsh
 # enable plugins
-antigen bundle command-not-found
-antigen bundle docker
-antigen bundle extract
-antigen bundle fzf
-antigen bundle git
-antigen bundle ripgrep
-antigen bundle thefuck
-antigen bundle tmux
-antigen bundle ufw
-antigen bundle z
-antigen bundle https://gitee.com/dictxiong/zsh-syntax-highlighting
-antigen bundle https://gitee.com/dictxiong/zsh-completions
-antigen bundle https://gitee.com/dictxiong/zsh-autosuggestions
+antigen_plugins=( \
+    "command-not-found" \
+    "docker" \
+    "extract" \
+    "fzf" \
+    "git" \
+    "ripgrep" \
+    "thefuck" \
+    "tmux" \
+    "ufw" \
+    "z" \
+    "https://gitee.com/dictxiong/zsh-syntax-highlighting" \
+    "https://gitee.com/dictxiong/zsh-completions" \
+    "https://gitee.com/dictxiong/zsh-autosuggestions" \
+)
+for i in ${antigen_plugins[*]}
+do
+    if [[ -z $ANTIGEN_EXCLUDE || ! $i =~ $ANTIGEN_EXCLUDE ]]; then
+        antigen bundle $i
+    fi
+done
 # select theme
 antigen theme ${ZSH_THEME:-ys}
 # apply 
@@ -67,6 +75,7 @@ dfs()
 {
 	case $1 in
 		update ) (cd "$DOTFILES" && git pull) ;;
+		force-update ) (cd "$DOTFILES" && git fetch --all && git reset --hard origin/main && git pull) ;;
 		reset  ) 
 			antigen reset 1> /dev/null
 			rm -rf $HOME/.antigen
@@ -76,7 +85,7 @@ dfs()
 			echo 'Done. Please open a new shell to see the changes.'
 			;;
 		cd     ) cd "$DOTFILES" ;;
-		*      ) echo "unknown command \"$1\". available: update, reset, cd" ;;
+		*      ) echo "unknown command \"$1\". available: update, force-update, reset, cd" ;;
 	esac
 }
 
diff --git a/install.sh b/install.sh
index 76c5c41..a2fc5b8 100755
--- a/install.sh
+++ b/install.sh
@@ -115,6 +115,7 @@ insert_if_not_exist()
     filename=$1
     line=$2
     fmt_note "installing \"$line\" into \"$filename\" ..."
+    mkdir -p $(dirname "$filename")
     if [ ! -f "$filename" ]; then
         touch $filename
     fi
@@ -140,6 +141,7 @@ create_symlink()
         fmt_error "\"$src\" does not exist! aborting this job ..."
         return 1
     fi
+    mkdir -p $(dirname "$dest")
     if [ -f "$dest" ]; then
         if [ "$(readlink $dest)" -ef "$src" ]; then
             return 0
@@ -188,11 +190,11 @@ install_tmux_tpm(){
     if [[ -x $(command -v tmux) && ! -d "$TMUX_TPM" ]]; then
         fmt_note "installing tmux tpm ..."
         git clone https://hub.fastgit.xyz/tmux-plugins/tpm "$TMUX_TPM"
-        if [[ -x $(command -v g++) && -x $(command -v cmake) ]]; then
+        if [[ -x $(command -v g++) && -x $(command -v cmake) && -x $(command -v make) ]]; then
             fmt_note "initializing tmux plugins ..."
             ~/.tmux/plugins/tpm/bin/install_plugins
         else
-            fmt_warning "pls install g++ and cmake and then init tmux plugins by <prefix + I>"
+            fmt_warning "pls install g++,cmake,make and then init tmux plugins by <prefix + I> or ~/.tmux/plugins/tpm/bin/install_plugins"
         fi
     fi
 }
@@ -212,6 +214,7 @@ install(){
     insert_if_not_exist "${HOME}/.zshrc" "source ${dotfile_home_path}/.zshrc2"
     insert_if_not_exist "${HOME}/.tmux.conf" "source-file ${dotfile_home_path}/.tmux.conf2"
     insert_if_not_exist "${HOME}/.vimrc" "source ${dotfile_home_path}/.vimrc2"
+    insert_if_not_exist "${HOME}/.gitconfig" "[include] path = \"${dotfile_home_path}/.gitconfig2\""
     create_symlink "${dotfile_path}/.ssh/authorized_keys2" "${HOME}/.ssh/authorized_keys2"
     # those that won't be uninstalled in the future
     install_tmux_tpm
@@ -226,6 +229,7 @@ uninstall(){
         delete_if_exist "${HOME}/.zshrc" "source ${dotfile_home_path}/.zshrc2"
         delete_if_exist "${HOME}/.tmux.conf" "source-file ${dotfile_home_path}/.tmux.conf2"
         delete_if_exist "${HOME}/.vimrc" "source ${dotfile_home_path}/.vimrc2"
+        delete_if_exist "${HOME}/.gitconfig" "[include] path = \"${dotfile_home_path}/.gitconfig2\""
         delete_link_if_match "${dotfile_path}/.ssh/authorized_keys2" "${HOME}/.ssh/authorized_keys2"
         fmt_note "done uninstalling!"
     fi
diff --git a/tools/alpine.sh b/tools/alpine.sh
new file mode 100755
index 0000000..031b9bb
--- /dev/null
+++ b/tools/alpine.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+if [[ $USER != "root" ]]; then
+    echo "must run as root!"
+    exit 1
+fi
+
+set_mirror()
+{
+    #MIRROR=${1:="mirrors.tuna.tsinghua.edu.cn"}
+    #MIRROR=${MIRROR//\//\\\/}
+    #sed -i 's/(archive|security).ubuntu.com/${MIRROR}/g' /etc/apt/sources.list
+    echo "to-do ..."
+}
+
+apk_add()
+{
+    apk update
+
+    # mass installation
+    apk add zsh git tmux vim curl wget bash python3 htop gcc g++ cmake make fzf perl linux-headers bind-tools iputils man-db
+    #for i in {fzf,ripgrep}; do apk add $i -y; done
+
+    # who am i
+    git config --global user.email "me@beardic.cn"
+    git config --global user.name "Dict Xiong"
+}
+
+set_timezone()
+{
+    apk update
+    apk add tzdata
+    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
+    echo "Asia/Shanghai" > /etc/timezone
+}
+
+router()
+{
+    case $1 in
+        apk-add ) apk_add ;;
+        set-timezone | set-tz ) set_timezone ;;
+        #set-mirror  ) set_mirror $2 ;;  
+        *           ) echo unknown command "$1". available: apk-add, set-timezone;;
+    esac
+}
+
+router $@
diff --git a/tools/install.sh b/tools/install.sh
index 8e43bb0..0b8cd5f 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -10,6 +10,7 @@ install_commands=(\
     [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' \
+    [lemonbench]='curl -fsSL https://ilemonra.in/LemonBenchIntl | bash -s fast # or full' \
 )
 
 install()
diff --git a/tools/ubuntu.sh b/tools/ubuntu.sh
index 0f8e0f6..090b965 100755
--- a/tools/ubuntu.sh
+++ b/tools/ubuntu.sh
@@ -5,36 +5,43 @@ if [[ $USER != "root" ]]; then
     exit 1
 fi
 
-init()
+set_mirror()
+{
+    MIRROR=${1:-"mirrors.tuna.tsinghua.edu.cn"}
+    MIRROR=${MIRROR//\//\\\/}
+    sed -i 's/(archive|security).ubuntu.com/${MIRROR}/g' /etc/apt/sources.list
+}
+
+apt_install()
 {
     # basic packages
     apt update
     for i in {man-db,vim,ca-certificates}; do apt install $i -y; done
 
-    # apt source
-    ${MIRROR:="mirrors.tuna.tsinghua.edu.cn"}
-    MIRROR=${MIRROR//\//\\\/}
-    sed -i 's/(archive|security).ubuntu.com/${MIRROR}/g' /etc/apt/sources.list
-
     # 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 htop gcc g++ cmake
+    apt install git tmux zsh curl wget dialog net-tools dnsutils netcat traceroute sudo python3 python3-pip cron inetutils-ping openssh-client openssh-server htop gcc g++ cmake make
     for i in {fzf,ripgrep}; do apt install $i -y; done
 
-    # custom dotfiles (usually not needed)
-    mkdir -p ~/.ssh
-    # cd ~ && git clone https://gitee.com/dictxiong/dotfiles && ./dotfiles/install.sh
-    
     # who am i
     git config --global user.email "me@beardic.cn"
     git config --global user.name "Dict Xiong"
 }
 
+set_timezone()
+{
+    TIMEZONE=${1:-"Asia/Shanghai"}
+    timedatectl set-timezone "$TIMEZONE"
+}
+
 router()
 {
     case $1 in
-        init    ) init ;;
-        *       ) echo unknown command "$1". available: init ;;
+        apt-install ) apt_install ;;
+        set-mirror  ) set_mirror $2 ;;  
+        set-timezone\
+        | set-tz    ) set_timezone $2 ;;
+        *           ) echo unknown command "$1". available: apt-install, set-mirror, set-timezone;;
     esac
 }