diff --git a/cmd/devpack/commands/init.go b/cmd/devpack/commands/init.go
index 0be99e4..8c1e829 100644
--- a/cmd/devpack/commands/init.go
+++ b/cmd/devpack/commands/init.go
@@ -2,8 +2,12 @@ package commands
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
 
 	"github.com/spf13/cobra"
+	"github.com/user/devpack/internal/config"
+	"github.com/user/devpack/internal/logging"
 )
 
 func newInitCmd() *cobra.Command {
@@ -18,15 +22,50 @@ func newInitCmd() *cobra.Command {
 		Short: "初始化 DevPack 配置",
 		Long:  `初始化 DevPack，创建配置目录和默认配置文件。`,
 		RunE: func(cmd *cobra.Command, args []string) error {
-			fmt.Println("🚀 Initializing DevPack...")
-			// TODO: 实现初始化逻辑
-			// 1. 创建 ~/.devpack/ 目录
-			// 2. 创建 config.yaml 配置文件
-			// 3. 创建 profiles/ 目录
-			// 4. 创建 packs/ 目录
-			// 5. 创建 logs/ 目录
-			fmt.Println("✅ DevPack initialized successfully!")
-			fmt.Println("\nRun 'devpack scan' to scan your current environment.")
+			log := logging.G()
+			fmt.Println("🚀 正在初始化 DevPack...")
+
+			// 获取标准路径
+			paths, err := config.DefaultPaths()
+			if err != nil {
+				return fmt.Errorf("无法获取用户主目录: %w", err)
+			}
+
+			// 检测是否已初始化
+			if !force {
+				if _, err := os.Stat(paths.Config); err == nil {
+					fmt.Println("⚠️  DevPack 已初始化过。使用 --force 覆盖。")
+					return nil
+				}
+			}
+
+			// 创建所有目录 (~/.devpack/, profiles/, packs/, logs/, tmp/)
+			log.Debug("正在创建目录结构...")
+			if err := paths.EnsureDirs(); err != nil {
+				return fmt.Errorf("创建目录失败: %w", err)
+			}
+			log.Debugf("目录结构已创建: %s", paths.Home)
+
+			// 生成默认配置文件
+			log.Debug("正在生成默认配置文件...")
+			if err := writeDefaultConfig(paths.Config, force); err != nil {
+				return fmt.Errorf("创建配置文件失败: %w", err)
+			}
+			fmt.Printf("  ✅ 配置文件: %s\n", paths.Config)
+
+			// 创建默认 Profile
+			profileName := template
+			if profile != "" {
+				profileName = profile
+			}
+			log.Debugf("正在创建 Profile: %s (模板: %s)", profileName, template)
+			if err := writeDefaultProfile(paths.Profiles, profileName, template, force); err != nil {
+				return fmt.Errorf("创建 Profile 失败: %w", err)
+			}
+			fmt.Printf("  ✅ Profile: %s\n", filepath.Join(paths.Profiles, profileName+".yaml"))
+
+			fmt.Println("\n✅ DevPack 初始化完成!")
+			fmt.Println("\n运行 'devpack scan' 扫描当前开发环境。")
 			return nil
 		},
 	}
@@ -37,3 +76,130 @@ func newInitCmd() *cobra.Command {
 
 	return cmd
 }
+
+// writeDefaultConfig 写入默认配置文件
+func writeDefaultConfig(path string, force bool) error {
+	if !force {
+		if _, err := os.Stat(path); err == nil {
+			return nil // 已存在且不强制覆盖，跳过
+		}
+	}
+
+	defaultConfig := `# DevPack 配置文件
+# 详见文档: https://github.com/user/devpack
+
+# 日志设置
+log_level: info
+# log_file: ~/.devpack/logs/devpack.log
+
+# 默认 Profile
+default_profile: standard
+
+# 还原选项
+restore:
+  conflict_strategy: prompt   # skip | overwrite | merge | prompt | newest
+  create_restore_point: true
+  dry_run_first: false
+`
+	return os.WriteFile(path, []byte(defaultConfig), 0o644)
+}
+
+// writeDefaultProfile 根据模板写入默认 Profile
+func writeDefaultProfile(dir, name, template string, force bool) error {
+	path := filepath.Join(dir, name+".yaml")
+	if !force {
+		if _, err := os.Stat(path); err == nil {
+			return nil // 已存在且不强制覆盖，跳过
+		}
+	}
+
+	var content string
+	switch template {
+	case "minimal":
+		content = `# DevPack Profile - 最小配置
+name: ` + name + `
+description: "最小开发环境配置"
+
+collectors:
+  runtime:
+    enabled: true
+    include: []
+  editor:
+    enabled: false
+  shell:
+    enabled: false
+  package:
+    enabled: false
+  git:
+    enabled: true
+  env:
+    enabled: false
+`
+	case "full":
+		content = `# DevPack Profile - 完整配置
+name: ` + name + `
+description: "完整开发环境配置"
+
+collectors:
+  runtime:
+    enabled: true
+    include: [go, node, python]
+  editor:
+    enabled: true
+    include: [vscode]
+    options:
+      vscode:
+        capture_extensions: true
+        capture_settings: true
+        capture_keybindings: true
+        capture_snippets: true
+  shell:
+    enabled: true
+    include: [powershell]
+  package:
+    enabled: true
+    include: [scoop]
+  git:
+    enabled: true
+    options:
+      capture_aliases: true
+  env:
+    enabled: true
+    options:
+      include_patterns: ["GOPATH", "GOROOT", "PATH", "NODE_*", "PYTHON*"]
+      exclude_patterns: ["*_KEY", "*_SECRET", "*_TOKEN"]
+`
+	default: // standard
+		content = `# DevPack Profile - 标准配置
+name: ` + name + `
+description: "标准开发环境配置"
+
+collectors:
+  runtime:
+    enabled: true
+    include: [go, node, python]
+  editor:
+    enabled: true
+    include: [vscode]
+    options:
+      vscode:
+        capture_extensions: true
+        capture_settings: true
+  shell:
+    enabled: true
+    include: [powershell]
+  package:
+    enabled: true
+    include: [scoop]
+  git:
+    enabled: true
+  env:
+    enabled: true
+    options:
+      include_patterns: ["GOPATH", "GOROOT", "PATH"]
+      exclude_patterns: ["*_KEY", "*_SECRET", "*_TOKEN"]
+`
+	}
+
+	return os.WriteFile(path, []byte(content), 0o644)
+}