diff --git a/Makefile b/Makefile
index 0025ef4..2defcce 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ MAIN_GO=$(CMD_DIR)/main.go
 
 # Version
 VERSION?=$(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
-GIT_COMMIT=$(shell git rev-parse --short=8 HEAD 2>/dev/null || echo "unknown")
+GIT_COMMIT=$(shell git rev-parse --short=8 HEAD 2>/dev/null || echo "dev")
 BUILD_TIME=$(shell date +%FT%T%z)
 GO_VERSION=$(shell $(GO) version | awk '{print $$3}')
 LDFLAGS=-ldflags "-X main.version=$(VERSION) -X main.gitCommit=$(GIT_COMMIT) -X main.buildTime=$(BUILD_TIME) -X main.goVersion=$(GO_VERSION)"
diff --git a/README.ja.md b/README.ja.md
index 33a8f19..48105ce 100644
--- a/README.ja.md
+++ b/README.ja.md
@@ -186,7 +186,7 @@ picoclaw onboard
   "providers": {
     "openrouter": {
       "api_key": "xxx",
-      "api_base": "https://open.bigmodel.cn/api/paas/v4"
+      "api_base": "https://openrouter.ai/api/v1"
     }
   },
   "tools": {
@@ -223,12 +223,14 @@ picoclaw agent -m "What is 2+2?"
 
 ## 💬 チャットアプリ
 
-Telegram で PicoClaw と会話できます
+Telegram、Discord、QQ、DingTalk で PicoClaw と会話できます
 
 | チャネル | セットアップ |
 |---------|------------|
 | **Telegram** | 簡単（トークンのみ） |
 | **Discord** | 簡単（Bot トークン + Intents） |
+| **QQ** | 簡単（AppID + AppSecret） |
+| **DingTalk** | 普通（アプリ認証情報） |
 
 <details>
 <summary><b>Telegram</b>（推奨）</summary>
@@ -307,6 +309,73 @@ picoclaw gateway
 
 </details>
 
+<details>
+<summary><b>QQ</b></summary>
+
+**1. Bot を作成**
+
+- [QQ オープンプラットフォーム](https://connect.qq.com/) にアクセス
+- アプリケーションを作成 → **AppID** と **AppSecret** を取得
+
+**2. 設定**
+
+```json
+{
+  "channels": {
+    "qq": {
+      "enabled": true,
+      "app_id": "YOUR_APP_ID",
+      "app_secret": "YOUR_APP_SECRET",
+      "allow_from": []
+    }
+  }
+}
+```
+
+> `allow_from` を空にすると全ユーザーを許可、QQ番号を指定してアクセス制限可能。
+
+**3. 起動**
+
+```bash
+picoclaw gateway
+```
+
+</details>
+
+<details>
+<summary><b>DingTalk</b></summary>
+
+**1. Bot を作成**
+
+- [オープンプラットフォーム](https://open.dingtalk.com/) にアクセス
+- 内部アプリを作成
+- Client ID と Client Secret をコピー
+
+**2. 設定**
+
+```json
+{
+  "channels": {
+    "dingtalk": {
+      "enabled": true,
+      "client_id": "YOUR_CLIENT_ID",
+      "client_secret": "YOUR_CLIENT_SECRET",
+      "allow_from": []
+    }
+  }
+}
+```
+
+> `allow_from` を空にすると全ユーザーを許可、ユーザーIDを指定してアクセス制限可能。
+
+**3. 起動**
+
+```bash
+picoclaw gateway
+```
+
+</details>
+
 ## ⚙️ 設定
 
 設定ファイル: `~/.picoclaw/config.json`
diff --git a/cmd/picoclaw/main.go b/cmd/picoclaw/main.go
index 694a011..b705a93 100644
--- a/cmd/picoclaw/main.go
+++ b/cmd/picoclaw/main.go
@@ -43,19 +43,33 @@ var (
 
 const logo = "🦞"
 
-func printVersion() {
-	fmt.Printf("%s picoclaw %s", logo, version)
+// formatVersion returns the version string with optional git commit
+func formatVersion() string {
+	v := version
 	if gitCommit != "" {
-		fmt.Printf(" (git: %s)", gitCommit)
+		v += fmt.Sprintf(" (git: %s)", gitCommit)
 	}
-	fmt.Println()
+	return v
+}
+
+// formatBuildInfo returns build time and go version info
+func formatBuildInfo() (build string, goVer string) {
 	if buildTime != "" {
-		fmt.Printf("  Build: %s\n", buildTime)
+		build = buildTime
 	}
-	goVer := goVersion
+	goVer = goVersion
 	if goVer == "" {
 		goVer = runtime.Version()
 	}
+	return
+}
+
+func printVersion() {
+	fmt.Printf("%s picoclaw %s\n", logo, formatVersion())
+	build, goVer := formatBuildInfo()
+	if build != "" {
+		fmt.Printf("  Build: %s\n", build)
+	}
 	if goVer != "" {
 		fmt.Printf("  Go: %s\n", goVer)
 	}
@@ -766,13 +780,10 @@ func statusCmd() {
 	configPath := getConfigPath()
 
 	fmt.Printf("%s picoclaw Status\n", logo)
-	fmt.Printf("Version: %s", version)
-	if gitCommit != "" {
-		fmt.Printf(" (git: %s)", gitCommit)
-	}
-	fmt.Println()
-	if buildTime != "" {
-		fmt.Printf("Build: %s\n", buildTime)
+	fmt.Printf("Version: %s\n", formatVersion())
+	build, _ := formatBuildInfo()
+	if build != "" {
+		fmt.Printf("Build: %s\n", build)
 	}
 	fmt.Println()
 
@@ -1295,53 +1306,6 @@ func cronEnableCmd(storePath string, disable bool) {
 	}
 }
 
-func skillsCmd() {
-	if len(os.Args) < 3 {
-		skillsHelp()
-		return
-	}
-
-	subcommand := os.Args[2]
-
-	cfg, err := loadConfig()
-	if err != nil {
-		fmt.Printf("Error loading config: %v\n", err)
-		os.Exit(1)
-	}
-
-	workspace := cfg.WorkspacePath()
-	installer := skills.NewSkillInstaller(workspace)
-	// 获取全局配置目录和内置 skills 目录
-	globalDir := filepath.Dir(getConfigPath())
-	globalSkillsDir := filepath.Join(globalDir, "skills")
-	builtinSkillsDir := filepath.Join(globalDir, "picoclaw", "skills")
-	skillsLoader := skills.NewSkillsLoader(workspace, globalSkillsDir, builtinSkillsDir)
-
-	switch subcommand {
-	case "list":
-		skillsListCmd(skillsLoader)
-	case "install":
-		skillsInstallCmd(installer)
-	case "remove", "uninstall":
-		if len(os.Args) < 4 {
-			fmt.Println("Usage: picoclaw skills remove <skill-name>")
-			return
-		}
-		skillsRemoveCmd(installer, os.Args[3])
-	case "search":
-		skillsSearchCmd(installer)
-	case "show":
-		if len(os.Args) < 4 {
-			fmt.Println("Usage: picoclaw skills show <skill-name>")
-			return
-		}
-		skillsShowCmd(skillsLoader, os.Args[3])
-	default:
-		fmt.Printf("Unknown skills command: %s\n", subcommand)
-		skillsHelp()
-	}
-}
-
 func skillsHelp() {
 	fmt.Println("\nSkills commands:")
 	fmt.Println("  list                    List installed skills")