diff --git a/bot.go b/bot.go
index 950a4ef..3af1d0d 100644
--- a/bot.go
+++ b/bot.go
@@ -54,3 +54,21 @@ func Run(bots ...Bot) {
 	tc.Connect()
 	tc.Listen()
 }
+
+// GetBot 获取指定的bot (Ctx) 实例
+func GetBot(id int64) *Ctx {
+	caller, ok := clients.Load(id)
+	if !ok {
+		return nil
+	}
+	return &Ctx{Caller: caller}
+}
+
+// RangeBot 遍历所有bot (Ctx)实例
+//
+// 单次操作返回 true 则继续遍历，否则退出
+func RangeBot(iter func(id int64, ctx *Ctx) bool) {
+	clients.Range(func(key int64, value *TelegramClient) bool {
+		return iter(key, &Ctx{Caller: value})
+	})
+}
diff --git a/client.go b/client.go
index 763e931..0af4785 100644
--- a/client.go
+++ b/client.go
@@ -7,6 +7,7 @@ import (
 	"time"
 	"unsafe"
 
+	"github.com/RomiChan/syncx"
 	tgba "github.com/go-telegram-bot-api/telegram-bot-api/v5"
 	"github.com/sirupsen/logrus"
 )
@@ -17,7 +18,10 @@ type TelegramClient struct {
 	b Bot
 }
 
-var logsetter = &sync.Once{}
+var (
+	logsetter = &sync.Once{}
+	clients   = syncx.Map[int64, *TelegramClient]{}
+)
 
 func init() {
 	logsetter.Do(func() {
@@ -61,6 +65,7 @@ func (tc *TelegramClient) Connect() {
 		tc.Buffer = tc.b.Buffer
 		break
 	}
+	clients.Store(tc.Self.ID, tc)
 	log.Println("[INFO] 连接到Telegram服务器成功, token:", tc.b.Token)
 }
 
@@ -73,6 +78,7 @@ func (tc *TelegramClient) Listen() {
 			tc.processEvent(update)
 		}
 		log.Println("[WARN] Telegram服务器连接断开...")
+		clients.Delete(tc.Self.ID)
 		time.Sleep(time.Millisecond * time.Duration(3))
 		tc.Connect()
 	}
diff --git a/rules.go b/rules.go
index fe0e4a3..ed237d5 100644
--- a/rules.go
+++ b/rules.go
@@ -208,6 +208,42 @@ func OnlyPrivate(ctx *Ctx) bool {
 	return msg.Chat.Type == "private"
 }
 
+// OnlyGroup requires that the ctx.Event is group message
+func OnlyGroup(ctx *Ctx) bool {
+	msg, ok := ctx.Value.(*tgba.Message)
+	if !ok || msg.Chat == nil { // 确保无空
+		return false
+	}
+	return msg.Chat.Type == "group"
+}
+
+// OnlySuperGroup requires that the ctx.Event is supergroup message
+func OnlySuperGroup(ctx *Ctx) bool {
+	msg, ok := ctx.Value.(*tgba.Message)
+	if !ok || msg.Chat == nil { // 确保无空
+		return false
+	}
+	return msg.Chat.Type == "supergroup"
+}
+
+// OnlyPublic requires that the ctx.Event is group or supergroup message
+func OnlyPublic(ctx *Ctx) bool {
+	msg, ok := ctx.Value.(*tgba.Message)
+	if !ok || msg.Chat == nil { // 确保无空
+		return false
+	}
+	return msg.Chat.Type == "supergroup" || msg.Chat.Type == "group"
+}
+
+// OnlyChannel requires that the ctx.Event is channel message
+func OnlyChannel(ctx *Ctx) bool {
+	msg, ok := ctx.Value.(*tgba.Message)
+	if !ok || msg.Chat == nil { // 确保无空
+		return false
+	}
+	return msg.Chat.Type == "channel"
+}
+
 // SuperUserPermission only triggered by the bot's owner
 func SuperUserPermission(ctx *Ctx) bool {
 	msg, ok := ctx.Value.(*tgba.Message)