diff --git a/subscriber.go b/subscriber.go
index 331290e..7e1376a 100644
--- a/subscriber.go
+++ b/subscriber.go
@@ -129,9 +129,9 @@ func (s *Subscriber) poll(ctx context.Context) {
 
 			fetches.EachPartition(func(p kgo.FetchTopicPartition) {
 				tps := tp{p.Topic, p.Partition}
-				s.mu.Lock()
+				s.mu.RLock()
 				c := s.consumers[tps]
-				s.mu.Unlock()
+				s.mu.RUnlock()
 				if c != nil {
 					c.recs <- p
 				}
@@ -150,19 +150,36 @@ func (s *Subscriber) killConsumers(ctx context.Context, lost map[string][]int32)
 			tps := tp{topic, partition}
 			s.mu.Lock()
 			pc, ok := s.consumers[tps]
+			if ok {
+				delete(s.consumers, tps)
+			}
 			s.mu.Unlock()
 			if !ok || pc == nil {
 				continue
 			}
-			s.mu.Lock()
-			delete(s.consumers, tps)
-			s.mu.Unlock()
-			close(pc.quit)
+
 			if s.kopts.Logger.V(logger.DebugLevel) {
-				s.kopts.Logger.Debug(ctx, fmt.Sprintf("[kgo] waiting for work to finish topic %s partition %d", topic, partition))
+				s.kopts.Logger.Debug(ctx, fmt.Sprintf("[kgo] killing consumer topic %s partition %d", topic, partition))
 			}
+
+			close(pc.quit)
+
 			wg.Add(1)
-			go func() { <-pc.done; wg.Done() }()
+			go func(c *consumer, t string, p int32) {
+				defer wg.Done()
+
+				timeout := time.NewTimer(30 * time.Second) //waiting stop consumer mb set to opts/cfg TimeoutWaitKillConsumer
+				defer timeout.Stop()
+
+				select {
+				case <-c.done:
+					if s.kopts.Logger.V(logger.DebugLevel) {
+						s.kopts.Logger.Debug(ctx, fmt.Sprintf("[kgo] consumer stopped topic %s partition %d", t, p))
+					}
+				case <-timeout.C:
+					s.kopts.Logger.Error(ctx, fmt.Sprintf("[kgo] timeout waiting for consumer topic %s partition %d", t, p))
+				}
+			}(pc, topic, partition)
 		}
 	}
 }
@@ -197,7 +214,6 @@ func (s *Subscriber) revoked(ctx context.Context, c *kgo.Client, revoked map[str
 	if s.kopts.Logger.V(logger.DebugLevel) {
 		s.kopts.Logger.Debug(ctx, fmt.Sprintf("[kgo] revoked %#+v", revoked))
 	}
-	s.killConsumers(ctx, revoked)
 	if err := c.CommitMarkedOffsets(ctx); err != nil {
 		s.mu.Lock()
 		tpc := make(map[tp]*consumer, len(s.consumers))
@@ -209,6 +225,7 @@ func (s *Subscriber) revoked(ctx context.Context, c *kgo.Client, revoked map[str
 			}
 		}
 	}
+	s.killConsumers(ctx, revoked)
 }
 
 func (s *Subscriber) assigned(_ context.Context, c *kgo.Client, assigned map[string][]int32) {
@@ -251,7 +268,10 @@ func (pc *consumer) consume() {
 		select {
 		case <-pc.quit:
 			return
-		case p := <-pc.recs:
+		case p, ok := <-pc.recs:
+			if !ok {
+				return
+			}
 			if p.Err != nil || p.FetchPartition.Err != nil {
 
 				if p.Err != nil {
@@ -274,6 +294,11 @@ func (pc *consumer) consume() {
 			}
 
 			for _, record := range p.Records {
+				select {
+				case <-pc.quit:
+					return
+				default:
+				}
 				ctx, sp := pc.htracer.WithProcessSpan(record)
 				ts := time.Now()
 				pc.kopts.Meter.Counter(semconv.SubscribeMessageInflight, "endpoint", record.Topic, "topic", record.Topic).Inc()
@@ -300,12 +325,24 @@ func (pc *consumer) consume() {
 				pm.hdr.Set("Micro-Key", string(record.Key))
 				pm.hdr.Set("Micro-Timestamp", strconv.FormatInt(record.Timestamp.Unix(), 10))
 
-				switch h := pc.handler.(type) {
-				case func(broker.Message) error:
-					err = h(pm)
-				case func([]broker.Message) error:
-					err = h([]broker.Message{pm})
+				processCtx, cancel := context.WithTimeout(ctx, 30*time.Second) //waiting process consumer mb set to opts/cfg TimeoutProccesWaitingHandle
+				errChan := make(chan error, 1)
+
+				go func() {
+					switch h := pc.handler.(type) {
+					case func(broker.Message) error:
+						errChan <- h(pm)
+					case func([]broker.Message) error:
+						errChan <- h([]broker.Message{pm})
+					}
+				}()
+
+				select {
+				case err = <-errChan:
+				case <-processCtx.Done():
+					err = fmt.Errorf("[kgo] message processing timeout topic %s partition %d offset %d", record.Topic, record.Partition, record.Offset)
 				}
+				cancel()
 
 				pc.kopts.Meter.Counter(semconv.SubscribeMessageInflight, "endpoint", record.Topic, "topic", record.Topic).Dec()
 				if err != nil {
@@ -335,6 +372,8 @@ func (pc *consumer) consume() {
 					continue
 				}
 
+				pc.kopts.Logger.Error(pc.kopts.Context, fmt.Sprintf("[kgo] message not acknowledged topic %s partition %d offset %d", record.Topic, record.Partition, record.Offset))
+
 				pm := pc.newErrorMessage(ErrLostMessage, p.Topic, p.Partition)
 				switch h := pc.handler.(type) {
 				case func(broker.Message) error: