diff --git a/init_root.sh b/init_root.sh
index 96420c2..958594e 100755
--- a/init_root.sh
+++ b/init_root.sh
@@ -41,9 +41,9 @@ configure_ssh() {
 }
 
 configure_ssh_keygen() {
-    read -p "要生成 sshkey 吗？[Y/n]: " response
+    read -p "要生成 sshkey 吗？[y/N]: " response
 
-    if [[ -z "$response" ]] || [[ $response =~ ^[Yy]$ ]]; then
+    if [[ $response =~ ^[Yy]$ ]]; then
         mkdir -p ~/.ssh
         read -p "sshkey 的名字: " sshkeyname
         ssh-keygen -t ed25519 -C $sshkeyname
@@ -59,20 +59,32 @@ configure_nano() {
     fi
 }
 
-configure_install_bin() {
-    apt update
-    apt upgrade -y
-    apt autoremove -y
-    apt install tmux git curl htop net-tools tcptraceroute ifupdown tar unzip -y
-    apt install hexyl bat neofetch fd-find fzf -y
+configure_apt_upgrade() {
+    read -p "要运行 apt upgrade 吗？[y/N]: " response
+    
+    if [[ $response =~ ^[Yy]$ ]]; then
+        apt update
+        apt upgrade -y
+        apt autoremove -y
+    fi
+}
 
-    apt install exa -y
-    if [ $? -ne 0 ]; then
-        unzip $scriptdir/files/exa-linux-x86_64-v0.10.1.zip -d $tempdir/exa
-        cp $tempdir/exa/bin/* /usr/local/bin/
-        cp $tempdir/exa/man/* /usr/share/man/man1/
-        cp $tempdir/exa/completions/exa.zsh /usr/local/share/zsh/site-functions
-        rm $tempdir/exa -r
+configure_apt_install() {
+    read -p "要运行 apt install 吗？[Y/n]: " response
+    
+    if [[ -z "$response" ]] || [[ $response =~ ^[Yy]$ ]]; then
+        apt update
+        apt install tmux git curl htop net-tools tcptraceroute ifupdown tar unzip -y
+        apt install hexyl bat neofetch fd-find fzf -y
+
+        apt install exa -y
+        if [ $? -ne 0 ]; then
+            unzip $scriptdir/files/exa-linux-x86_64-v0.10.1.zip -d $tempdir/exa
+            cp $tempdir/exa/bin/* /usr/local/bin/
+            cp $tempdir/exa/man/* /usr/share/man/man1/
+            cp $tempdir/exa/completions/exa.zsh /usr/local/share/zsh/site-functions
+            rm $tempdir/exa -r
+        fi
     fi
 }
 
@@ -109,10 +121,16 @@ configure_tmux() {
     fi
 }
 
+if [[ $EUID -ne 0 ]]; then
+   echo "This script must be run as root."
+   exit 1
+fi
+
 check_google_access
 configure_ssh
 configure_ssh_keygen
 configure_nano
-configure_install_bin
+configure_apt_upgrade
+configure_apt_install
 configure_zsh
 configure_tmux
diff --git a/init_sudo.sh b/init_sudo.sh
new file mode 100755
index 0000000..48b0a8b
--- /dev/null
+++ b/init_sudo.sh
@@ -0,0 +1,136 @@
+#!/bin/bash
+
+scriptdir=$(dirname $(realpath $0))
+tempdir="/tmp"
+
+# ============================================================
+
+git_clone() {
+    local repo=$1
+    local dir=$2
+
+    if [ ! -d "$dir" ]; then
+        git clone --single-branch --recursive "$github/$repo" $dir
+    fi
+}
+
+# ============================================================
+
+check_google_access() {
+    abroad=0
+    local response=$(curl -s -o /dev/null -w "%{http_code}" -m 5 "http://www.google.com")
+
+    if [ "$response" -eq 200 ]; then
+        abroad=1
+        echo "Internet: abroad"
+        github="https://github.com"
+    else
+        abroad=0
+        echo "Internet: internal"
+        github="https://g.nano.ac/https://github.com"
+    fi
+}
+
+configure_ssh() {
+    read -p "要配置 .ssh 吗？[Y/n]: " response
+
+    if [[ -z "$response" ]] || [[ $response =~ ^[Yy]$ ]]; then
+        mkdir -p ~/.ssh
+        cp $scriptdir/files/authorized_keys ~/.ssh/authorized_keys
+    fi
+}
+
+configure_ssh_keygen() {
+    read -p "要生成 sshkey 吗？[y/N]: " response
+
+    if [[ $response =~ ^[Yy]$ ]]; then
+        mkdir -p ~/.ssh
+        read -p "sshkey 的名字: " sshkeyname
+        ssh-keygen -t ed25519 -C $sshkeyname
+    fi
+}
+
+configure_nano() {
+    read -p "要配置 nano 吗？[Y/n]: " response
+
+    if [[ -z "$response" ]] || [[ $response =~ ^[Yy]$ ]]; then
+        sudo apt install nano -y
+        cp $scriptdir/files/.nanorc ~/.nanorc
+    fi
+}
+
+configure_apt_upgrade() {
+    read -p "要运行 apt upgrade 吗？[y/N]: " response
+    
+    if [[ $response =~ ^[Yy]$ ]]; then
+        sudo apt update
+        sudo apt upgrade -y
+        sudo apt autoremove -y
+    fi
+}
+
+configure_apt_install() {
+    read -p "要运行 apt install 吗？[Y/n]: " response
+    
+    if [[ -z "$response" ]] || [[ $response =~ ^[Yy]$ ]]; then
+        sudo apt update
+        sudo apt install tmux git curl htop net-tools tcptraceroute ifupdown tar unzip -y
+        sudo apt install hexyl bat neofetch fd-find fzf -y
+
+        sudo apt install exa -y
+        if [ $? -ne 0 ]; then
+            unzip $scriptdir/files/exa-linux-x86_64-v0.10.1.zip -d $tempdir/exa
+            sudo cp $tempdir/exa/bin/* /usr/local/bin/
+            sudo cp $tempdir/exa/man/* /usr/share/man/man1/
+            sudo cp $tempdir/exa/completions/exa.zsh /usr/local/share/zsh/site-functions
+            rm $tempdir/exa -r
+        fi
+    fi
+}
+
+configure_zsh() {
+    read -p "要配置 zsh 吗？[Y/n]: " response
+
+    if [[ -z "$response" ]] || [[ $response =~ ^[Yy]$ ]]; then
+        sudo apt install zsh -y
+        git_clone ohmyzsh/ohmyzsh ~/.oh-my-zsh
+        RUNZSH=no ZSH=~/.oh-my-zsh $scriptdir/files/install-ohmyzsh.sh
+
+        git_clone zsh-users/zsh-autosuggestions ~/.oh-my-zsh/plugins/zsh-autosuggestions
+        git_clone zsh-users/zsh-syntax-highlighting ~/.oh-my-zsh/plugins/zsh-syntax-highlighting
+        git_clone paulirish/git-open ~/.oh-my-zsh/plugins/git-open
+        sudo apt install autojump -y
+
+        cp $scriptdir/files/.zshrc ~/.zshrc
+        cp $scriptdir/files/ys-simple.zsh-theme ~/.oh-my-zsh/themes/ys-simple.zsh-theme
+    fi
+}
+
+configure_tmux() {
+    read -p "要配置 tmux 吗？[Y/n]: " response
+
+    if [[ -z "$response" ]] || [[ $response =~ ^[Yy]$ ]]; then
+        sudo apt install tmux -y
+        git_clone tmux-plugins/tpm ~/.tmux/plugins/tpm
+        git_clone tmux-plugins/tmux-sensible ~/.tmux/plugins/tmux-sensible
+        git_clone tmux-plugins/tmux-yank ~/.tmux/plugins/tmux-yank
+        git_clone tmux-plugins/tmux-prefix-highlight ~/.tmux/plugins/tmux-prefix-highlight
+        git_clone seebi/tmux-colors-solarized ~/.tmux/plugins/tmux-colors-solarized
+        cp $scriptdir/files/.tmux.conf ~/.tmux.conf
+        sudo apt install xsel -y  # 能够让 tmux 剪切板与 terminal 同步
+    fi
+}
+
+if [[ $EUID -eq 0 ]]; then
+   echo "This script should not be run as root."
+   exit 1
+fi
+
+check_google_access
+configure_ssh
+configure_ssh_keygen
+configure_nano
+configure_apt_upgrade
+configure_apt_install
+configure_zsh
+configure_tmux