diff --git a/setup_ubuntu.sh b/setup_ubuntu.sh
index fe0d966..55ae8f7 100644
--- a/setup_ubuntu.sh
+++ b/setup_ubuntu.sh
@@ -1,98 +1,56 @@
 #!/usr/bin/env bash
+# === Ubuntu / UOS Quick Setup ===
+# Docker + Fastfetch + Neovim + Zsh(eza/fzf/zoxide/atuin/starship)
 set -euo pipefail
 
-SCRIPT_NAME=$(basename "$0")
-echo -e "\n=== Ubuntu Repos and Plugins Setup Script ===\n"
+echo -e "\n🚀 === Ubuntu Environment Setup ===\n"
 
-# Detect Ubuntu codename
-CODENAME=$(lsb_release -cs)
-echo "Detected Ubuntu codename: $CODENAME"
+# --- Base ---
+sudo apt update
+sudo apt install -y curl git ca-certificates gnupg lsb-release software-properties-common
 
-# Docker 官方支持的 Ubuntu 版本
-DOCKER_SUPPORTED_CODENAMES=("focal" "jammy")
+# --- PPA ---
+sudo add-apt-repository -y ppa:neovim-ppa/unstable || true
+sudo add-apt-repository -y ppa:zhangsongcui3371/fastfetch || true
 
-# 如果当前 codename 不在支持列表，回退到 jammy
-if [[ ! " ${DOCKER_SUPPORTED_CODENAMES[*]} " =~ " ${CODENAME} " ]]; then
-  echo "Docker does not officially support '$CODENAME', falling back to 'jammy'"
-  CODENAME="jammy"
+# --- Docker ---
+if ! command -v docker >/dev/null 2>&1; then
+  echo -e "\n🐳 Installing Docker (official script)..."
+  curl -fsSL https://get.docker.com | sh
+else
+  echo "🐳 Docker already installed"
 fi
 
-# ==== 清理旧 Docker 源和包 ====
-echo "Cleaning old Docker sources and packages..."
-sudo rm -f /etc/apt/sources.list.d/docker.list
-sudo rm -f /usr/share/keyrings/docker-archive-keyring.gpg
-sudo apt remove -y docker docker-engine docker.io containerd runc || true
-
-# ==== 函数 ====
-# 添加 PPA
-add_ppa() {
-  local PPA="$1"
-  local PPA_NAME="${PPA#*:}"
-  if ! grep -Rq "$PPA_NAME" /etc/apt/sources.list.d 2>/dev/null; then
-    echo "Adding PPA: $PPA"
-    sudo add-apt-repository -y "$PPA"
-  else
-    echo "PPA already exists: $PPA"
-  fi
-}
-
-# 添加 Docker 源
-add_docker_repo() {
-  local KEYRING="/usr/share/keyrings/docker-archive-keyring.gpg"
-  if [ ! -f "$KEYRING" ]; then
-    echo "Adding Docker GPG key and repository"
-    curl -fsSL https://download.docker.com/linux/ubuntu/gpg |
-      sudo gpg --dearmor -o "$KEYRING"
-    echo "deb [arch=$(dpkg --print-architecture) signed-by=$KEYRING] https://download.docker.com/linux/ubuntu $CODENAME stable" |
-      sudo tee /etc/apt/sources.list.d/docker.list >/dev/null
-  else
-    echo "Docker repository already configured"
-  fi
-}
-
-# ==== 添加 PPA ====
-add_ppa ppa:fish-shell/release-3
-add_ppa ppa:neovim-ppa/unstable
-add_ppa ppa:zhangsongcui3371/fastfetch
-
-# ==== 添加 Docker 源 ====
-add_docker_repo
-
-# ==== 更新软件列表 ====
-echo -e "\nUpdating package lists..."
-sudo apt update
-
-# 核心软件包
-CORE_PKGS=(docker-ce docker-ce-cli containerd.io fastfetch neovim fish tealdeer)
-
+# --- Package ---
+CORE_PKGS=(fastfetch neovim zsh eza fzf zoxide ripgrep tealdeer)
 for pkg in "${CORE_PKGS[@]}"; do
   if apt-cache show "$pkg" >/dev/null 2>&1; then
-    echo "Installing $pkg..."
     sudo apt install -y "$pkg"
   else
-    echo "Package not found in repos, skipping: $pkg"
+    echo "⚠️ Package not found in repos: $pkg"
   fi
 done
 
-# ==== 安装 fisher 和 fish 插件 ====
-echo -e "\nInstalling Fisher and fish plugins..."
-fish -c 'curl -sL https://git.io/fisher | source && fisher install jorgebucaran/fisher'
-fish -c 'fisher install bruno-ricard/fish-autopair Pure-Fish/pure'
-
-# ==== 安装 Atuin ====
+# --- Atuin ---
 if ! command -v atuin >/dev/null 2>&1; then
-  echo -e "\nInstalling Atuin..."
+  echo -e "\n📜 Installing Atuin..."
   curl -sS https://raw.githubusercontent.com/ellie/atuin/main/install.sh | bash
 else
   echo "Atuin already installed"
 fi
 
-# ==== 改默认 shell 为 fish ====
-if [ "$SHELL" != "$(which fish)" ]; then
-  echo "Changing default shell to fish"
-  chsh -s "$(which fish)"
+# --- Starship ---
+if ! command -v starship >/dev/null 2>&1; then
+  echo -e "\n🌟 Installing Starship..."
+  curl -sS https://starship.rs/install.sh | sh -s -- -y
 else
-  echo "Default shell is already fish"
+  echo "Starship already installed"
 fi
 
-echo -e "\n=== Setup Complete! Restart your terminal to apply changes. ==="
+# --- Shell ---
+if [ "$SHELL" != "$(command -v zsh)" ]; then
+  echo -e "\n💫 Changing default shell to zsh"
+  chsh -s "$(command -v zsh)"
+fi
+
+echo -e "\n✅ All done! Restart your terminal or run 'exec zsh' to enjoy!"
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diff --git a/zsh/.zshrc b/zsh/.zshrc
new file mode 100644
index 0000000..f8ee8ff
--- /dev/null
+++ b/zsh/.zshrc
@@ -0,0 +1,78 @@
+# ========================
+#  Locale & Editor
+# ========================
+export LANG=zh_CN.UTF-8
+export EDITOR=nano
+
+export PATH="$HOME/.atuin/bin:$PATH"
+
+# ========================
+#  History
+# ========================
+HISTFILE="${XDG_STATE_HOME:-$HOME/.local/state}/zsh/history"
+mkdir -p "$(dirname "$HISTFILE")"
+HISTSIZE=10000
+SAVEHIST=10000
+setopt HIST_IGNORE_DUPS HIST_IGNORE_SPACE SHARE_HISTORY INC_APPEND_HISTORY
+
+# ========================
+#  Tools Integration
+# ========================
+if [[ -o interactive ]]; then
+  # AtuIn
+  if command -v atuin >/dev/null 2>&1; then
+    eval "$(atuin init zsh)"
+  fi
+
+  # zoxide
+  if command -v zoxide >/dev/null 2>&1; then
+    eval "$(zoxide init zsh)"
+  fi
+
+  # starship
+  if command -v starship >/dev/null 2>&1; then
+    eval "$(starship init zsh)"
+  fi
+fi
+
+# ========================
+#  Colors & Aliases
+# ========================
+autoload -U colors && colors
+
+alias ls='eza --icons=auto --group-directories-first'
+alias ll='eza -lh --icons=auto --group-directories-first'
+alias la='eza -lha --icons=auto --group-directories-first'
+
+alias grep='grep --color=auto'
+alias fgrep='fgrep --color=auto'
+alias egrep='egrep --color=auto'
+alias ..='cd ..'
+alias ...='cd ../..'
+
+# ========================
+#  Completion
+# ========================
+autoload -Uz compinit
+mkdir -p ~/.cache/zsh
+compinit -d ~/.cache/zsh/zcompdump
+setopt CORRECT
+
+if [[ -o interactive ]]; then
+  source ~/.config/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh
+  source ~/.config/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
+  source ~/.config/zsh/plugins/fzf-tab/fzf-tab.plugin.zsh
+
+  ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE='fg=8'
+  ZSH_AUTOSUGGEST_STRATEGY=(history completion)
+
+  bindkey -e
+fi
+
+# ========================
+#  Prompt
+# ========================
+if ! command -v starship >/dev/null 2>&1; then
+  PROMPT='%F{green}%n@%m%f:%F{blue}%~%f %# '
+  RPROMPT='%F{yellow}[%D{%H:%M}]%f'
+fi
\ No newline at end of file