diff --git a/examples/interact/main.go b/examples/interact/main.go
index ce696bd31..248b8ff19 100644
--- a/examples/interact/main.go
+++ b/examples/interact/main.go
@@ -128,21 +128,19 @@ func main() {
 	}
 
 	ctx := context.Background()
-
-	globalInteraction := interact.New()
-	globalInteraction.SetMessenger(&interact.Telegram{
+	interact.SetMessenger(&interact.Telegram{
 		Private: true,
 		Bot:     b,
 	})
 
-	globalInteraction.AddCustomInteraction(&interact.AuthInteract{
+	interact.AddCustomInteraction(&interact.AuthInteract{
 		Strict: true,
 		Mode:   interact.AuthModeToken,
 		Token:  "123",
 	})
 
-	globalInteraction.AddCustomInteraction(&PositionInteraction{})
-	if err := globalInteraction.Start(ctx); err != nil {
+	interact.AddCustomInteraction(&PositionInteraction{})
+	if err := interact.Start(ctx); err != nil {
 		log.Fatal(err)
 	}
 	cmdutil.WaitForSignal(ctx, syscall.SIGINT, syscall.SIGTERM)
diff --git a/pkg/bbgo/environment.go b/pkg/bbgo/environment.go
index b927de631..3024df137 100644
--- a/pkg/bbgo/environment.go
+++ b/pkg/bbgo/environment.go
@@ -20,6 +20,7 @@ import (
 	"gopkg.in/tucnak/telebot.v2"
 
 	"github.com/c9s/bbgo/pkg/cmd/cmdutil"
+	"github.com/c9s/bbgo/pkg/interact"
 	"github.com/c9s/bbgo/pkg/notifier/slacknotifier"
 	"github.com/c9s/bbgo/pkg/notifier/telegramnotifier"
 	"github.com/c9s/bbgo/pkg/service"
@@ -581,14 +582,27 @@ func (environ *Environment) ConfigureNotificationSystem(userConfig *Config) erro
 
 		// allocate a store, so that we can save the chatID for the owner
 		var sessionStore = persistence.NewStore("bbgo", "telegram", telegramID)
-		var interaction = telegramnotifier.NewInteraction(bot, sessionStore)
+
+		interact.SetMessenger(&interact.Telegram{
+			Private: true,
+			Bot:     bot,
+		})
+
+
+		// TODO: replace this background context later
+		if err := interact.Start(context.Background()); err != nil {
+			return err
+		}
 
 		authToken := viper.GetString("telegram-bot-auth-token")
 		if len(authToken) > 0 {
-			interaction.SetAuthToken(authToken)
+			interact.AddCustomInteraction(&interact.AuthInteract{
+				Strict: true,
+				Mode:   interact.AuthModeToken,
+				Token:  authToken,
+			})
 
 			log.Debugf("telegram bot auth token is set, using fixed token for authorization...")
-
 			printTelegramAuthTokenGuide(authToken)
 		}
 
diff --git a/pkg/interact/default.go b/pkg/interact/default.go
new file mode 100644
index 000000000..09ef93b49
--- /dev/null
+++ b/pkg/interact/default.go
@@ -0,0 +1,21 @@
+package interact
+
+import "context"
+
+var defaultInteraction = New()
+
+func Default() *Interact {
+	return defaultInteraction
+}
+
+func SetMessenger(messenger Messenger) {
+	defaultInteraction.SetMessenger(messenger)
+}
+
+func AddCustomInteraction(custom CustomInteraction) {
+	custom.Commands(defaultInteraction)
+}
+
+func Start(ctx context.Context) error {
+	return defaultInteraction.Start(ctx)
+}
diff --git a/pkg/interact/interact.go b/pkg/interact/interact.go
index a756e074f..62062c617 100644
--- a/pkg/interact/interact.go
+++ b/pkg/interact/interact.go
@@ -222,4 +222,3 @@ func (it *Interact) Start(ctx context.Context) error {
 	it.messenger.Start(ctx)
 	return nil
 }
-