diff --git a/consumer/pull_consumer.go b/consumer/pull_consumer.go
index 6c24c631..8af935b5 100644
--- a/consumer/pull_consumer.go
+++ b/consumer/pull_consumer.go
@@ -140,12 +140,18 @@ func (pc *defaultPullConsumer) Unsubscribe(topic string) error {
 }
 
 func (pc *defaultPullConsumer) Start() error {
-	atomic.StoreInt32(&pc.state, int32(internal.StateRunning))
-
 	var err error
 	pc.once.Do(func() {
-		consumerGroupWithNs := utils.WrapNamespace(pc.option.Namespace, pc.consumerGroup)
-		err = pc.defaultConsumer.client.RegisterConsumer(consumerGroupWithNs, pc)
+		err = pc.validate()
+		if err != nil {
+			rlog.Error("the consumer group option validate fail", map[string]interface{}{
+				rlog.LogKeyConsumerGroup: pc.consumerGroup,
+				rlog.LogKeyUnderlayError: err.Error(),
+			})
+			err = errors.Wrap(err, "the consumer group option validate fail")
+			return
+		}
+		err = pc.defaultConsumer.client.RegisterConsumer(pc.consumerGroup, pc)
 		if err != nil {
 			rlog.Error("defaultPullConsumer the consumer group has been created, specify another one", map[string]interface{}{
 				rlog.LogKeyConsumerGroup: pc.consumerGroup,
@@ -157,7 +163,7 @@ func (pc *defaultPullConsumer) Start() error {
 		if err != nil {
 			return
 		}
-
+		atomic.StoreInt32(&pc.state, int32(internal.StateRunning))
 		go func() {
 			for {
 				select {
@@ -174,7 +180,9 @@ func (pc *defaultPullConsumer) Start() error {
 			}
 		}()
 	})
-
+	if err != nil {
+		return err
+	}
 	pc.client.UpdateTopicRouteInfo()
 	_, exist := pc.topicSubscribeInfoTable.Load(pc.topic)
 	if !exist {
@@ -815,3 +823,15 @@ func (pc *defaultPullConsumer) consumeMessageCurrently(pq *processQueue, mq *pri
 	case pc.consumeRequestCache <- cr:
 	}
 }
+
+func (pc *defaultPullConsumer) validate() error {
+	if err := internal.ValidateGroup(pc.consumerGroup); err != nil {
+		return err
+	}
+
+	if pc.consumerGroup == internal.DefaultConsumerGroup {
+		return fmt.Errorf("consumerGroup can't equal [%s], please specify another one", internal.DefaultConsumerGroup)
+	}
+
+	return nil
+}
diff --git a/consumer/push_consumer.go b/consumer/push_consumer.go
index e81d4efc..cc1a0a80 100644
--- a/consumer/push_consumer.go
+++ b/consumer/push_consumer.go
@@ -139,7 +139,15 @@ func (pc *pushConsumer) Start() error {
 			"unitMode":               pc.unitMode,
 		})
 		atomic.StoreInt32(&pc.state, int32(internal.StateStartFailed))
-		pc.validate()
+		err = pc.validate()
+		if err != nil {
+			rlog.Error("the consumer group option validate fail", map[string]interface{}{
+				rlog.LogKeyConsumerGroup: pc.consumerGroup,
+				rlog.LogKeyUnderlayError: err.Error(),
+			})
+			err = errors.Wrap(err, "the consumer group option validate fail")
+			return
+		}
 
 		err = pc.client.RegisterConsumer(pc.consumerGroup, pc)
 		if err != nil {
@@ -496,23 +504,25 @@ func (pc *pushConsumer) messageQueueChanged(topic string, mqAll, mqDivided []*pr
 	pc.client.SendHeartbeatToAllBrokerWithLock()
 }
 
-func (pc *pushConsumer) validate() {
-	internal.ValidateGroup(pc.consumerGroup)
+func (pc *pushConsumer) validate() error {
+	if err := internal.ValidateGroup(pc.consumerGroup); err != nil {
+		return err
+	}
 
 	if pc.consumerGroup == internal.DefaultConsumerGroup {
 		// TODO FQA
-		rlog.Error(fmt.Sprintf("consumerGroup can't equal [%s], please specify another one.", internal.DefaultConsumerGroup), nil)
+		return fmt.Errorf("consumerGroup can't equal [%s], please specify another one", internal.DefaultConsumerGroup)
 	}
 
 	if len(pc.subscribedTopic) == 0 {
-		rlog.Error("number of subscribed topics is 0.", nil)
+		return errors.New("number of subscribed topics is 0.")
 	}
 
 	if pc.option.ConsumeConcurrentlyMaxSpan < 1 || pc.option.ConsumeConcurrentlyMaxSpan > 65535 {
 		if pc.option.ConsumeConcurrentlyMaxSpan == 0 {
 			pc.option.ConsumeConcurrentlyMaxSpan = 1000
 		} else {
-			rlog.Error("option.ConsumeConcurrentlyMaxSpan out of range [1, 65535]", nil)
+			return errors.New("option.ConsumeConcurrentlyMaxSpan out of range [1, 65535]")
 		}
 	}
 
@@ -520,7 +530,7 @@ func (pc *pushConsumer) validate() {
 		if pc.option.PullThresholdForQueue == 0 {
 			pc.option.PullThresholdForQueue = 1024
 		} else {
-			rlog.Error("option.PullThresholdForQueue out of range [1, 65535]", nil)
+			return errors.New("option.PullThresholdForQueue out of range [1, 65535]")
 		}
 	}
 
@@ -528,7 +538,7 @@ func (pc *pushConsumer) validate() {
 		if pc.option.PullThresholdForTopic == 0 {
 			pc.option.PullThresholdForTopic = 102400
 		} else {
-			rlog.Error("option.PullThresholdForTopic out of range [1, 6553500]", nil)
+			return errors.New("option.PullThresholdForTopic out of range [1, 6553500]")
 		}
 	}
 
@@ -536,7 +546,7 @@ func (pc *pushConsumer) validate() {
 		if pc.option.PullThresholdSizeForQueue == 0 {
 			pc.option.PullThresholdSizeForQueue = 512
 		} else {
-			rlog.Error("option.PullThresholdSizeForQueue out of range [1, 1024]", nil)
+			return errors.New("option.PullThresholdSizeForQueue out of range [1, 1024]")
 		}
 	}
 
@@ -544,19 +554,19 @@ func (pc *pushConsumer) validate() {
 		if pc.option.PullThresholdSizeForTopic == 0 {
 			pc.option.PullThresholdSizeForTopic = 51200
 		} else {
-			rlog.Error("option.PullThresholdSizeForTopic out of range [1, 102400]", nil)
+			return errors.New("option.PullThresholdSizeForTopic out of range [1, 102400]")
 		}
 	}
 
 	if pc.option.PullInterval < 0 || pc.option.PullInterval > 65535*time.Millisecond {
-		rlog.Error("option.PullInterval out of range [0, 65535]", nil)
+		return errors.New("option.PullInterval out of range [0, 65535]")
 	}
 
 	if pc.option.ConsumeMessageBatchMaxSize < 1 || pc.option.ConsumeMessageBatchMaxSize > 1024 {
 		if pc.option.ConsumeMessageBatchMaxSize == 0 {
 			pc.option.ConsumeMessageBatchMaxSize = 1
 		} else {
-			rlog.Error("option.ConsumeMessageBatchMaxSize out of range [1, 1024]", nil)
+			return errors.New("option.ConsumeMessageBatchMaxSize out of range [1, 1024]")
 		}
 	}
 
@@ -564,9 +574,18 @@ func (pc *pushConsumer) validate() {
 		if pc.option.PullBatchSize == 0 {
 			pc.option.PullBatchSize = 32
 		} else {
-			rlog.Error("option.PullBatchSize out of range [1, 1024]", nil)
+			return errors.New("option.PullBatchSize out of range [1, 1024]")
+		}
+	}
+
+	if pc.option.ConsumeGoroutineNums < 1 || pc.option.ConsumeGoroutineNums > 1000 {
+		if pc.option.ConsumeGoroutineNums == 0 {
+			pc.option.ConsumeGoroutineNums = 20
+		} else {
+			return errors.New("option.ConsumeGoroutineNums out of range [1, 1000]")
 		}
 	}
+	return nil
 }
 
 func (pc *pushConsumer) pullMessage(request *PullRequest) {
diff --git a/internal/validators.go b/internal/validators.go
index ac51db2c..61bd45ec 100644
--- a/internal/validators.go
+++ b/internal/validators.go
@@ -18,9 +18,9 @@ limitations under the License.
 package internal
 
 import (
+	"errors"
+	"fmt"
 	"regexp"
-
-	"github.com/apache/rocketmq-client-go/v2/rlog"
 )
 
 const (
@@ -29,15 +29,18 @@ const (
 )
 
 var (
-	_Pattern, _ = regexp.Compile(_ValidPattern)
+	_Pattern = regexp.MustCompile(_ValidPattern)
 )
 
-func ValidateGroup(group string) {
+func ValidateGroup(group string) error {
 	if group == "" {
-		rlog.Fatal("consumerGroup is empty", nil)
+		return errors.New("consumerGroup is empty")
 	}
-
 	if len(group) > _CharacterMaxLength {
-		rlog.Fatal("the specified group is longer than group max length 255.", nil)
+		return errors.New("the specified group is longer than group max length 255")
+	}
+	if !_Pattern.MatchString(group) {
+		return fmt.Errorf("the specified group[%s] contains illegal characters, allowing only %s", group, _ValidPattern)
 	}
+	return nil
 }