diff --git a/setup.sh b/setup.sh
index 19539b1..aa06157 100755
--- a/setup.sh
+++ b/setup.sh
@@ -83,6 +83,138 @@ get_tool_cmd() { eval echo \"\$TOOL_CMDS_$1\"; }
 get_tool_pkg() { eval echo \"\$TOOL_PKGS_$1\"; }
 get_tool_url() { eval echo \"\$TOOL_URLS_$1\"; }
 
+# ========== 检测系统包管理器 ==========
+get_sys_pkg_manager() {
+    if command_exists apt-get; then
+        echo "apt"
+    elif command_exists yum; then
+        echo "yum"
+    elif command_exists dnf; then
+        echo "dnf"
+    elif command_exists apk; then
+        echo "apk"
+    elif command_exists brew; then
+        echo "brew"
+    elif command_exists pacman; then
+        echo "pacman"
+    else
+        echo ""
+    fi
+}
+
+# ========== 安装系统依赖 ==========
+install_sys_dep() {
+    local dep=$1
+    local pkg_mgr=$(get_sys_pkg_manager)
+
+    if [[ -z "$pkg_mgr" ]]; then
+        error "无法检测系统包管理器，请手动安装 $dep"
+        return 1
+    fi
+
+    info "正在安装 $dep..."
+
+    case "$pkg_mgr" in
+        apt)
+            apt-get update -qq && apt-get install -y "$dep"
+            ;;
+        yum)
+            yum install -y "$dep"
+            ;;
+        dnf)
+            dnf install -y "$dep"
+            ;;
+        apk)
+            apk add "$dep"
+            ;;
+        brew)
+            brew install "$dep"
+            ;;
+        pacman)
+            pacman -S --noconfirm "$dep"
+            ;;
+    esac
+
+    if command_exists "$dep"; then
+        success "$dep 安装成功!"
+        return 0
+    else
+        error "$dep 安装失败"
+        return 1
+    fi
+}
+
+# ========== 检测并安装系统依赖 ==========
+check_system_deps() {
+    local missing_deps=()
+
+    # 检测 curl
+    if ! command_exists curl; then
+        missing_deps+=("curl")
+    fi
+
+    # 检测 unzip (bun 安装需要)
+    if ! command_exists unzip; then
+        missing_deps+=("unzip")
+    fi
+
+    # 检测 jq (Claude Code 配置需要)
+    if ! command_exists jq; then
+        missing_deps+=("jq")
+    fi
+
+    if [[ ${#missing_deps[@]} -eq 0 ]]; then
+        return 0
+    fi
+
+    echo ""
+    warning "检测到缺少以下系统依赖: ${missing_deps[*]}"
+    echo ""
+
+    read -p "是否自动安装这些依赖? (Y/n) " -n 1 -r
+    echo ""
+
+    if [[ $REPLY =~ ^[Nn]$ ]]; then
+        error "请手动安装依赖后重新运行脚本"
+        echo ""
+        local pkg_mgr=$(get_sys_pkg_manager)
+        case "$pkg_mgr" in
+            apt)
+                echo -e "  ${CYAN}apt-get update && apt-get install -y ${missing_deps[*]}${NC}"
+                ;;
+            yum)
+                echo -e "  ${CYAN}yum install -y ${missing_deps[*]}${NC}"
+                ;;
+            dnf)
+                echo -e "  ${CYAN}dnf install -y ${missing_deps[*]}${NC}"
+                ;;
+            apk)
+                echo -e "  ${CYAN}apk add ${missing_deps[*]}${NC}"
+                ;;
+            brew)
+                echo -e "  ${CYAN}brew install ${missing_deps[*]}${NC}"
+                ;;
+            pacman)
+                echo -e "  ${CYAN}pacman -S ${missing_deps[*]}${NC}"
+                ;;
+            *)
+                echo -e "  请使用系统包管理器安装: ${missing_deps[*]}"
+                ;;
+        esac
+        echo ""
+        return 1
+    fi
+
+    # 自动安装依赖
+    for dep in "${missing_deps[@]}"; do
+        if ! install_sys_dep "$dep"; then
+            return 1
+        fi
+    done
+
+    return 0
+}
+
 # ========== 帮助信息 ==========
 show_help() {
     cat << 'EOF'
@@ -131,18 +263,6 @@ install_bun() {
     warning "未检测到 Node.js 或 Bun"
     info "推荐安装 Bun（轻量级 JavaScript 运行时）"
     echo ""
-
-    # 检测 unzip 依赖
-    if ! command_exists unzip; then
-        error "安装 Bun 需要 unzip，请先安装："
-        echo ""
-        echo -e "  Ubuntu/Debian: ${CYAN}sudo apt-get install unzip${NC}"
-        echo -e "  Alpine:        ${CYAN}apk add unzip${NC}"
-        echo -e "  CentOS/RHEL:   ${CYAN}sudo yum install unzip${NC}"
-        echo ""
-        return 1
-    fi
-
     echo -e "  安装命令: ${CYAN}curl -fsSL https://bun.sh/install | bash${NC}"
     echo ""
 
@@ -281,6 +401,11 @@ main() {
         esac
     done
 
+    # 检测并安装系统依赖 (curl, unzip, jq)
+    if ! check_system_deps; then
+        exit 1
+    fi
+
     # 显示状态
     show_status