diff --git a/internal/datacoord/knapsack.go b/internal/datacoord/knapsack.go
index c40a586ebb2a3..4c69e234df4a3 100644
--- a/internal/datacoord/knapsack.go
+++ b/internal/datacoord/knapsack.go
@@ -21,8 +21,9 @@ import (
 	"sort"
 
 	"github.com/bits-and-blooms/bitset"
-	"github.com/milvus-io/milvus/pkg/log"
 	"go.uber.org/zap"
+
+	"github.com/milvus-io/milvus/pkg/log"
 )
 
 type Sizable interface {
diff --git a/internal/rootcoord/util.go b/internal/rootcoord/util.go
index 7912f6bd0ad00..88c3d91bd41ba 100644
--- a/internal/rootcoord/util.go
+++ b/internal/rootcoord/util.go
@@ -308,7 +308,7 @@ func CheckTimeTickLagExceeded(ctx context.Context, queryCoord types.QueryCoordCl
 					delay := now.Sub(minTt)
 
 					if delay.Milliseconds() >= maxDelay.Milliseconds() {
-						queryNodeTTDelay.Insert(qm.Fgm.MinFlowGraphChannel, delay)
+						queryNodeTTDelay.Insert(qm.Fgm.MinFlowGraphChannel+"/query", delay)
 					}
 				}
 			}
@@ -331,7 +331,7 @@ func CheckTimeTickLagExceeded(ctx context.Context, queryCoord types.QueryCoordCl
 					delay := now.Sub(minTt)
 
 					if delay.Milliseconds() >= maxDelay.Milliseconds() {
-						dataNodeTTDelay.Insert(dm.Fgm.MinFlowGraphChannel, delay)
+						dataNodeTTDelay.Insert(dm.Fgm.MinFlowGraphChannel+"/data", delay)
 					}
 				}
 			}
diff --git a/pkg/mq/msgstream/mq_msgstream.go b/pkg/mq/msgstream/mq_msgstream.go
index 09d7121985d25..7c2e3b866bd3e 100644
--- a/pkg/mq/msgstream/mq_msgstream.go
+++ b/pkg/mq/msgstream/mq_msgstream.go
@@ -68,6 +68,7 @@ type mqMsgStream struct {
 	consumerLock  *sync.Mutex
 	closed        int32
 	onceChan      sync.Once
+	ttMsgEnable   atomic.Value
 	enableProduce atomic.Value
 	configEvent   config.EventHandler
 }
@@ -104,14 +105,14 @@ func NewMqMsgStream(ctx context.Context,
 		closed:       0,
 	}
 	ctxLog := log.Ctx(ctx)
-	stream.enableProduce.Store(paramtable.Get().CommonCfg.TTMsgEnabled.GetAsBool())
+	stream.ttMsgEnable.Store(paramtable.Get().CommonCfg.TTMsgEnabled.GetAsBool())
 	stream.configEvent = config.NewHandler("enable send tt msg "+fmt.Sprint(streamCounter.Inc()), func(event *config.Event) {
 		value, err := strconv.ParseBool(event.Value)
 		if err != nil {
 			ctxLog.Warn("Failed to parse bool value", zap.String("v", event.Value), zap.Error(err))
 			return
 		}
-		stream.enableProduce.Store(value)
+		stream.ttMsgEnable.Store(value)
 		ctxLog.Info("Msg Stream state updated", zap.Bool("can_produce", stream.isEnabledProduce()))
 	})
 	paramtable.Get().Watch(paramtable.Get().CommonCfg.TTMsgEnabled.Key, stream.configEvent)
@@ -270,7 +271,7 @@ func (ms *mqMsgStream) EnableProduce(can bool) {
 }
 
 func (ms *mqMsgStream) isEnabledProduce() bool {
-	return ms.enableProduce.Load().(bool)
+	return ms.enableProduce.Load().(bool) || ms.ttMsgEnable.Load().(bool)
 }
 
 func (ms *mqMsgStream) Produce(msgPack *MsgPack) error {