diff --git a/scripts/install.sh b/scripts/install.sh
new file mode 100644
index 00000000..4bb3d125
--- /dev/null
+++ b/scripts/install.sh
@@ -0,0 +1,623 @@
+#!/bin/bash
+
+set -e
+
+# Define color output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# Define log functions
+log_info() {
+    echo -e "${BLUE}ℹ️  $1${NC}"
+}
+
+log_success() {
+    echo -e "${GREEN}✅ $1${NC}"
+}
+
+log_warning() {
+    echo -e "${YELLOW}⚠️  $1${NC}"
+}
+
+log_error() {
+    echo -e "${RED}❌ $1${NC}"
+}
+
+# Check if command exists
+command_exists() {
+    command -v "$1" >/dev/null 2>&1
+}
+
+# Check if it's a development machine environment
+is_dev_machine() {
+    # Check if development machine specific directories or files exist
+    if [ -d "/apsara" ] || [ -d "/home/admin" ] || [ -f "/etc/redhat-release" ]; then
+        return 0
+    fi
+    return 1
+}
+
+# Check if running in WSL
+is_wsl() {
+    if [ -f /proc/version ] && grep -qi microsoft /proc/version; then
+        return 0
+    fi
+    if [ -n "$WSL_DISTRO_NAME" ] || [ -n "$WSL_INTEROP" ]; then
+        return 0
+    fi
+    return 1
+}
+
+# Get Windows npm prefix (for Git Bash/Cygwin/MSYS)
+get_windows_npm_prefix() {
+    # Try to get npm prefix
+    local npm_prefix=$(npm config get prefix 2>/dev/null || echo "")
+    
+    if [ -n "$npm_prefix" ]; then
+        echo "$npm_prefix"
+        return 0
+    fi
+    
+    # Try common Windows npm locations
+    if [ -n "$APPDATA" ]; then
+        echo "$APPDATA/npm"
+        return 0
+    fi
+    
+    # Try Program Files
+    if [ -d "/c/Program Files/nodejs" ]; then
+        echo "/c/Program Files/nodejs"
+        return 0
+    fi
+    
+    # Fallback
+    echo "$HOME/.npm-global"
+}
+
+# Get shell configuration file
+get_shell_profile() {
+    local current_shell=$(basename "$SHELL")
+    case "$current_shell" in
+        bash)
+            echo "$HOME/.bashrc"
+            ;;
+        zsh)
+            echo "$HOME/.zshrc"
+            ;;
+        fish)
+            echo "$HOME/.config/fish/config.fish"
+            ;;
+        *)
+            echo "$HOME/.profile"
+            ;;
+    esac
+}
+
+# Clean npm configuration conflicts
+clean_npmrc_conflict() {
+    local npmrc="$HOME/.npmrc"
+    if [[ -f "$npmrc" ]]; then
+        log_info "Cleaning npmrc conflicts..."
+        grep -Ev '^(prefix|globalconfig) *= *' "$npmrc" > "${npmrc}.tmp" && mv -f "${npmrc}.tmp" "$npmrc" || true
+    fi
+}
+
+# Install nvm
+install_nvm() {
+    local NVM_DIR="${NVM_DIR:-$HOME/.nvm}"
+    local NVM_VERSION="${NVM_VERSION:-v0.40.3}"
+    
+    if [ -s "$NVM_DIR/nvm.sh" ]; then
+        log_info "nvm is already installed at $NVM_DIR"
+        return 0
+    fi
+    
+    log_info "Installing nvm ${NVM_VERSION}..."
+    
+    # Install nvm using official installer
+    if curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/${NVM_VERSION}/install.sh | bash; then
+        log_success "nvm installed successfully"
+        
+        # Load nvm for current session
+        export NVM_DIR="${NVM_DIR}"
+        [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+        
+        return 0
+    else
+        log_error "Failed to install nvm"
+        return 1
+    fi
+}
+
+# Install Node.js
+install_nodejs_with_nvm() {
+    local NODE_VERSION="${NODE_VERSION:-22}"
+    local NVM_DIR="${NVM_DIR:-$HOME/.nvm}"
+    
+    # Ensure nvm is loaded
+    export NVM_DIR="${NVM_DIR}"
+    [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+    
+    if ! command_exists nvm; then
+        log_error "nvm not loaded properly"
+        return 1
+    fi
+    
+    # Check if xz needs to be installed
+    if ! command_exists xz; then
+        log_warning "xz not found, trying to install xz-utils..."
+        if command_exists yum; then
+            sudo yum install -y xz || log_warning "Failed to install xz, continuing anyway..."
+        elif command_exists apt-get; then
+            sudo apt-get update && sudo apt-get install -y xz-utils || log_warning "Failed to install xz, continuing anyway..."
+        fi
+    fi
+    
+    # Set Node.js mirror source (for domestic network)
+    export NVM_NODEJS_ORG_MIRROR="https://npmmirror.com/mirrors/node"
+    
+    # Clear cache
+    log_info "Clearing nvm cache..."
+    nvm cache clear || true
+    
+    # Install Node.js
+    log_info "Installing Node.js v${NODE_VERSION}..."
+    if nvm install ${NODE_VERSION}; then
+        nvm alias default ${NODE_VERSION}
+        nvm use default
+        log_success "Node.js v${NODE_VERSION} installed successfully"
+        
+        # Verify installation
+        log_info "Node.js version: $(node -v)"
+        log_info "npm version: $(npm -v)"
+        
+        # Clean npm configuration conflicts
+        clean_npmrc_conflict
+        
+        # Configure npm mirror source
+        npm config set registry https://registry.npmmirror.com
+        log_info "npm registry set to npmmirror"
+        
+        return 0
+    else
+        log_error "Failed to install Node.js"
+        return 1
+    fi
+}
+
+# Check Node.js version
+check_node_version() {
+    if ! command_exists node; then
+        return 1
+    fi
+    
+    local current_version=$(node -v | sed 's/v//')
+    local major_version=$(echo $current_version | cut -d. -f1)
+    
+    if [ "$major_version" -ge 20 ]; then
+        log_success "Node.js v$current_version is already installed (>= 20)"
+        return 0
+    else
+        log_warning "Node.js v$current_version is installed but version < 20"
+        return 1
+    fi
+}
+
+# Install Node.js
+install_nodejs() {
+    local platform=$(uname -s)
+    
+    # Check if running in WSL (treat as Linux)
+    if is_wsl; then
+        log_info "WSL environment detected, treating as Linux..."
+        platform="Linux"
+    fi
+    
+    case "$platform" in
+        Linux|Darwin)
+            log_info "Installing Node.js on $platform..."
+            
+            # Install nvm
+            if ! install_nvm; then
+                log_error "Failed to install nvm"
+                return 1
+            fi
+            
+            # Load nvm
+            export NVM_DIR="${HOME}/.nvm"
+            [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+            
+            # Install Node.js
+            if ! install_nodejs_with_nvm; then
+                log_error "Failed to install Node.js"
+                return 1
+            fi
+            
+            ;;
+        MINGW*|CYGWIN*|MSYS*)
+            log_warning "Windows platform detected (Git Bash/Cygwin/MSYS)"
+            log_info "For Windows, we recommend:"
+            log_info "  1. Install Node.js from https://nodejs.org/en/download/ (recommended)"
+            log_info "  2. Or use WSL (Windows Subsystem for Linux)"
+            log_info ""
+            
+            # Check if Node.js is already installed
+            if command_exists node; then
+                local node_version=$(node -v)
+                log_info "Node.js $node_version is already installed"
+                if check_node_version; then
+                    log_success "Node.js version is compatible (>= 20)"
+                    return 0
+                else
+                    log_warning "Node.js version is too old. Please upgrade from https://nodejs.org/en/download/"
+                    return 1
+                fi
+            else
+                log_error "Node.js is not installed. Please install it from https://nodejs.org/en/download/"
+                log_info "After installing Node.js, you can run this script again to install Qwen Code."
+                exit 1
+            fi
+            ;;
+        *)
+            log_error "Unsupported platform: $platform"
+            exit 1
+            ;;
+    esac
+}
+
+# Check and update Node.js
+check_and_install_nodejs() {
+    if check_node_version; then
+        log_info "Using existing Node.js installation"
+        clean_npmrc_conflict
+    else
+        log_warning "Installing or upgrading Node.js..."
+        install_nodejs
+    fi
+}
+
+# Uninstall existing Qwen Code
+uninstall_existing_qwen_code() {
+    local platform=$(uname -s)
+    
+    # Check if running in WSL
+    if is_wsl; then
+        platform="Linux"
+    fi
+    
+    # Check if package is installed (even if command doesn't exist)
+    local npm_prefix=$(npm config get prefix 2>/dev/null || echo "")
+    local node_modules_dir=""
+    
+    if [ -n "$npm_prefix" ]; then
+        # Handle Windows paths
+        case "$platform" in
+            MINGW*|CYGWIN*|MSYS*)
+                # Windows: npm prefix might be like C:\Users\... or /c/Users/...
+                node_modules_dir="$npm_prefix/node_modules/@qwen-code/qwen-code"
+                ;;
+            *)
+                # Unix-like: standard location
+                node_modules_dir="$npm_prefix/lib/node_modules/@qwen-code/qwen-code"
+                ;;
+        esac
+    else
+        # Try common locations
+        case "$platform" in
+            MINGW*|CYGWIN*|MSYS*)
+                # Windows locations
+                local win_prefix=$(get_windows_npm_prefix)
+                node_modules_dir="$win_prefix/node_modules/@qwen-code/qwen-code"
+                ;;
+            *)
+                # Unix-like locations
+                if [ -d "$HOME/.nvm" ]; then
+                    # Find node version directory
+                    local node_version=$(node -v 2>/dev/null | sed 's/v//' || echo "")
+                    if [ -n "$node_version" ]; then
+                        node_modules_dir="$HOME/.nvm/versions/node/v${node_version}/lib/node_modules/@qwen-code/qwen-code"
+                    fi
+                fi
+                if [ -z "$node_modules_dir" ] || [ ! -d "$node_modules_dir" ]; then
+                    node_modules_dir="/usr/local/lib/node_modules/@qwen-code/qwen-code"
+                fi
+                ;;
+        esac
+    fi
+    
+    if command_exists qwen || [ -d "$node_modules_dir" ]; then
+        log_warning "Existing Qwen Code installation detected"
+        
+        # Try to get current version
+        local current_version=$(qwen --version 2>/dev/null || echo "unknown")
+        if [ "$current_version" != "unknown" ]; then
+            log_info "Current version: $current_version"
+        fi
+        
+        log_info "Uninstalling existing Qwen Code..."
+        
+        # Try npm uninstall first
+        if npm uninstall -g @qwen-code/qwen-code 2>/dev/null; then
+            log_success "Successfully uninstalled existing Qwen Code via npm"
+        else
+            log_warning "npm uninstall failed or returned non-zero, trying manual removal..."
+        fi
+        
+        # Always try to manually remove the module directory and binaries
+        case "$platform" in
+            MINGW*|CYGWIN*|MSYS*)
+                # Windows platform (Git Bash/Cygwin/MSYS)
+                local win_npm_prefix=$(get_windows_npm_prefix)
+                
+                # Windows binary locations
+                local common_paths=()
+                
+                # Try npm prefix locations
+                if [ -n "$win_npm_prefix" ]; then
+                    common_paths+=(
+                        "$win_npm_prefix/qwen"
+                        "$win_npm_prefix/qwen.cmd"
+                        "$win_npm_prefix/qwen.ps1"
+                    )
+                fi
+                
+                # Try APPDATA if available
+                if [ -n "$APPDATA" ]; then
+                    common_paths+=(
+                        "$APPDATA/npm/qwen"
+                        "$APPDATA/npm/qwen.cmd"
+                        "$APPDATA/npm/qwen.ps1"
+                    )
+                fi
+                
+                # Try Program Files
+                if [ -d "/c/Program Files/nodejs" ]; then
+                    common_paths+=(
+                        "/c/Program Files/nodejs/qwen"
+                        "/c/Program Files/nodejs/qwen.cmd"
+                    )
+                fi
+                
+                # Remove binaries
+                for bin_path in "${common_paths[@]}"; do
+                    if [ -f "$bin_path" ] || [ -L "$bin_path" ]; then
+                        rm -f "$bin_path" 2>/dev/null && log_info "Removed $bin_path" || log_warning "Could not remove $bin_path"
+                    fi
+                done
+                ;;
+            *)
+                # Unix-like platforms (Linux/macOS/WSL)
+                local unix_npm_prefix=$(npm config get prefix 2>/dev/null || echo "$HOME/.npm-global")
+                local bin_path="$unix_npm_prefix/bin/qwen"
+                
+                # Remove qwen binary if exists
+                if [ -f "$bin_path" ] || [ -L "$bin_path" ]; then
+                    rm -f "$bin_path" && log_info "Removed $bin_path"
+                fi
+                
+                # Remove from common Unix locations
+                local common_paths=(
+                    "/usr/local/bin/qwen"
+                    "$HOME/.npm-global/bin/qwen"
+                    "$HOME/.local/bin/qwen"
+                )
+                
+                for path in "${common_paths[@]}"; do
+                    if [ -f "$path" ] || [ -L "$path" ]; then
+                        rm -f "$path" && log_info "Removed $path"
+                    fi
+                done
+                ;;
+        esac
+        
+        for path in "${common_paths[@]}"; do
+            if [ -f "$path" ]; then
+                rm -f "$path" && log_info "Removed $path"
+            fi
+        done
+        
+        # Remove the npm module directory if it exists
+        if [ -n "$node_modules_dir" ] && [ -d "$node_modules_dir" ]; then
+            log_info "Removing module directory: $node_modules_dir"
+            rm -rf "$node_modules_dir" 2>/dev/null && log_info "Removed module directory" || log_warning "Could not remove module directory (may require sudo)"
+        fi
+        
+        # Also try to find and remove from nvm directories
+        if [ -d "$HOME/.nvm" ]; then
+            for nvm_node_dir in "$HOME/.nvm/versions/node"/*/lib/node_modules/@qwen-code/qwen-code; do
+                if [ -d "$nvm_node_dir" ]; then
+                    log_info "Removing nvm module directory: $nvm_node_dir"
+                    rm -rf "$nvm_node_dir" 2>/dev/null && log_info "Removed nvm module directory" || log_warning "Could not remove nvm module directory"
+                fi
+            done
+        fi
+        
+        # Verify uninstallation
+        if command_exists qwen; then
+            log_warning "Qwen Code command still exists after uninstall attempt. Attempting to locate and remove it..."
+            
+            # Find the qwen executable
+            local qwen_path=$(which qwen 2>/dev/null)
+            if [ -n "$qwen_path" ] && [ -f "$qwen_path" ]; then
+                log_info "Found qwen executable at: $qwen_path"
+                if rm -f "$qwen_path"; then
+                    log_success "Successfully removed qwen executable: $qwen_path"
+                else
+                    log_error "Failed to remove qwen executable: $qwen_path (may require sudo)"
+                fi
+            else
+                log_warning "Could not locate qwen executable path"
+            fi
+        fi
+        
+        # Final check
+        if command_exists qwen; then
+            log_warning "Qwen Code command still exists. You may need to reload your shell."
+        else
+            log_success "Successfully removed existing Qwen Code"
+        fi
+    fi
+}
+
+# Install Qwen Code
+install_qwen_code() {
+    # Uninstall existing installation first
+    uninstall_existing_qwen_code
+    
+    # Additional cleanup: ensure module directory is completely removed
+    local platform=$(uname -s)
+    if is_wsl; then
+        platform="Linux"
+    fi
+    
+    local npm_prefix=$(npm config get prefix 2>/dev/null || echo "")
+    local module_dir=""
+    
+    if [ -n "$npm_prefix" ]; then
+        case "$platform" in
+            MINGW*|CYGWIN*|MSYS*)
+                module_dir="$npm_prefix/node_modules/@qwen-code/qwen-code"
+                ;;
+            *)
+                module_dir="$npm_prefix/lib/node_modules/@qwen-code/qwen-code"
+                ;;
+        esac
+    else
+        # Try to find node version directory
+        case "$platform" in
+            MINGW*|CYGWIN*|MSYS*)
+                local win_prefix=$(get_windows_npm_prefix)
+                module_dir="$win_prefix/node_modules/@qwen-code/qwen-code"
+                ;;
+            *)
+                if [ -d "$HOME/.nvm" ]; then
+                    local node_version=$(node -v 2>/dev/null | sed 's/v//' || echo "")
+                    if [ -n "$node_version" ]; then
+                        module_dir="$HOME/.nvm/versions/node/v${node_version}/lib/node_modules/@qwen-code/qwen-code"
+                    fi
+                fi
+                ;;
+        esac
+    fi
+    
+    # Force remove module directory if it still exists
+    if [ -n "$module_dir" ] && [ -d "$module_dir" ]; then
+        log_warning "Module directory still exists, forcing removal..."
+        rm -rf "$module_dir" 2>/dev/null || {
+            log_warning "Could not remove module directory. Trying with npm cache clean..."
+            npm cache clean --force 2>/dev/null || true
+        }
+    fi
+    
+    # Small delay to ensure filesystem operations complete
+    sleep 1
+    
+    log_info "Installing Qwen Code..."
+    
+    # Install Qwen Code with force flag to handle any conflicts
+    if npm i -g @qwen-code/qwen-code@latest --force; then
+        log_success "Qwen Code installed successfully!"
+        
+        # Verify installation
+        if command_exists qwen; then
+            log_info "Qwen Code version: $(qwen --version 2>/dev/null || echo 'version info not available')"
+        else
+            log_warning "Qwen Code installed but command not found. You may need to reload your shell or add npm global bin to PATH."
+            log_info "Try running: export PATH=\"\$PATH:$(npm config get prefix)/bin\""
+        fi
+    else
+        log_error "Failed to install Qwen Code!"
+        log_info "You may need to manually remove the old installation:"
+        if [ -n "$module_dir" ]; then
+            log_info "  rm -rf $module_dir"
+        fi
+        exit 1
+    fi
+}
+
+# Main function
+main() {
+    echo "=========================================="
+    echo "   Qwen Code Installation Script"
+    echo "   One-Click Installation for Everyone"
+    echo "=========================================="
+    echo ""
+    
+    # Check system
+    local platform=$(uname -s)
+    log_info "System: $platform $(uname -r)"
+    log_info "Shell: $(basename "$SHELL")"
+    
+    if is_wsl; then
+        log_info "WSL (Windows Subsystem for Linux) detected"
+    fi
+    
+    if is_dev_machine; then
+        log_info "Development machine environment detected"
+    fi
+    
+    # Windows-specific guidance
+    case "$platform" in
+        MINGW*|CYGWIN*|MSYS*)
+            log_info ""
+            log_info "Note: You're running this script in Git Bash/Cygwin/MSYS"
+            log_info "Make sure Node.js is installed and accessible from this environment"
+            log_info ""
+            ;;
+    esac
+    
+    # Check and install Node.js
+    check_and_install_nodejs
+    
+    # Ensure npm command is available
+    if ! command_exists npm; then
+        log_error "npm command not found after Node.js installation!"
+        log_info "Please run: source $(get_shell_profile)"
+        exit 1
+    fi
+    
+    # Install Qwen Code
+    install_qwen_code
+    
+    echo ""
+    echo "=========================================="
+    log_success "Installation completed successfully!"
+    echo "=========================================="
+    echo ""
+    
+    log_info "To start using Qwen Code, run:"
+    local current_shell=$(basename "$SHELL")
+    case "$current_shell" in
+        bash)
+            echo "  source ~/.bashrc"
+            ;;
+        zsh) 
+            echo "  source ~/.zshrc"
+            ;;
+        fish)
+            echo "  source ~/.config/fish/config.fish"
+            ;;
+        *)
+            echo "  source ~/.profile  # or reload your shell"
+            ;;
+    esac
+    echo "  qwen"
+    echo ""
+    
+    # Try to run Qwen Code
+    if command_exists qwen; then
+        log_info "Qwen Code is ready to use!"
+        log_info "Run 'qwen' to start, or visit https://github.com/QwenLM/qwen-code for more information."
+    else
+        log_info "Please reload your shell and run 'qwen' command."
+    fi
+}
+ 
+# Error handling
+trap 'log_error "An error occurred. Installation aborted."; exit 1' ERR
+ 
+# Run main function
+main