diff --git a/backend/application/application.go b/backend/application/application.go
index e3c3ad41..07a2fa85 100644
--- a/backend/application/application.go
+++ b/backend/application/application.go
@@ -64,7 +64,9 @@ import (
 	singleagentImpl "github.com/coze-dev/coze-studio/backend/crossdomain/impl/singleagent"
 	variablesImpl "github.com/coze-dev/coze-studio/backend/crossdomain/impl/variables"
 	workflowImpl "github.com/coze-dev/coze-studio/backend/crossdomain/impl/workflow"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/eventbus"
 	"github.com/coze-dev/coze-studio/backend/infra/impl/checkpoint"
+	implEventbus "github.com/coze-dev/coze-studio/backend/infra/impl/eventbus"
 )
 
 type eventbusImpl struct {
@@ -144,6 +146,7 @@ func Init(ctx context.Context) (err error) {
 
 func initEventBus(infra *appinfra.AppDependencies) *eventbusImpl {
 	e := &eventbusImpl{}
+	eventbus.SetDefaultSVC(implEventbus.NewConsumerService())
 	e.resourceEventBus = search.NewResourceEventBus(infra.ResourceEventProducer)
 	e.projectEventBus = search.NewProjectEventBus(infra.AppEventProducer)
 
diff --git a/backend/application/knowledge/init.go b/backend/application/knowledge/init.go
index 09888d0b..de7b710f 100644
--- a/backend/application/knowledge/init.go
+++ b/backend/application/knowledge/init.go
@@ -175,7 +175,7 @@ func InitService(c *ServiceComponents) (*KnowledgeApplicationService, error) {
 		ModelFactory:              chatmodelImpl.NewDefaultFactory(),
 	})
 
-	if err = eventbus.RegisterConsumer(nameServer, consts.RMQTopicKnowledge, consts.RMQConsumeGroupKnowledge, knowledgeEventHandler); err != nil {
+	if err = eventbus.DefaultSVC().RegisterConsumer(nameServer, consts.RMQTopicKnowledge, consts.RMQConsumeGroupKnowledge, knowledgeEventHandler); err != nil {
 		return nil, fmt.Errorf("register knowledge consumer failed, err=%w", err)
 	}
 
diff --git a/backend/application/search/init.go b/backend/application/search/init.go
index 430e0c30..d19123ae 100644
--- a/backend/application/search/init.go
+++ b/backend/application/search/init.go
@@ -71,14 +71,14 @@ func InitService(ctx context.Context, s *ServiceComponents) (*SearchApplicationS
 	logs.Infof("start search domain consumer...")
 	nameServer := os.Getenv(consts.MQServer)
 
-	err := eventbus.RegisterConsumer(nameServer, consts.RMQTopicApp, consts.RMQConsumeGroupApp, searchConsumer)
+	err := eventbus.DefaultSVC().RegisterConsumer(nameServer, consts.RMQTopicApp, consts.RMQConsumeGroupApp, searchConsumer)
 	if err != nil {
 		return nil, fmt.Errorf("register search consumer failed, err=%w", err)
 	}
 
 	searchResourceConsumer := search.NewResourceHandler(ctx, s.ESClient)
 
-	err = eventbus.RegisterConsumer(nameServer, consts.RMQTopicResource, consts.RMQConsumeGroupResource, searchResourceConsumer)
+	err = eventbus.DefaultSVC().RegisterConsumer(nameServer, consts.RMQTopicResource, consts.RMQConsumeGroupResource, searchResourceConsumer)
 	if err != nil {
 		return nil, fmt.Errorf("register search consumer failed, err=%w", err)
 	}
diff --git a/backend/domain/knowledge/service/knowledge_integration_test.go b/backend/domain/knowledge/service/knowledge_integration_test.go
index c5f7586b..20042ca6 100644
--- a/backend/domain/knowledge/service/knowledge_integration_test.go
+++ b/backend/domain/knowledge/service/knowledge_integration_test.go
@@ -178,7 +178,7 @@ func (suite *KnowledgeTestSuite) SetupSuite() {
 
 	suite.handler = knowledgeEventHandler
 
-	err = eventbus.RegisterConsumer(rmqEndpoint, consts.RMQTopicKnowledge, consts.RMQConsumeGroupKnowledge, suite)
+	err = eventbus.DefaultSVC().RegisterConsumer(rmqEndpoint, consts.RMQTopicKnowledge, consts.RMQConsumeGroupKnowledge, suite)
 	if err != nil {
 		panic(err)
 	}
diff --git a/backend/domain/workflow/internal/compose/test/question_answer_test.go b/backend/domain/workflow/internal/compose/test/question_answer_test.go
index 549a7071..6468e0d1 100644
--- a/backend/domain/workflow/internal/compose/test/question_answer_test.go
+++ b/backend/domain/workflow/internal/compose/test/question_answer_test.go
@@ -46,8 +46,8 @@ import (
 	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes/exit"
 	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes/qa"
 	repo2 "github.com/coze-dev/coze-studio/backend/domain/workflow/internal/repo"
-	"github.com/coze-dev/coze-studio/backend/infra/impl/cache/redis"
 	schema2 "github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/infra/impl/cache/redis"
 	"github.com/coze-dev/coze-studio/backend/infra/impl/checkpoint"
 	mock "github.com/coze-dev/coze-studio/backend/internal/mock/infra/contract/idgen"
 	storageMock "github.com/coze-dev/coze-studio/backend/internal/mock/infra/contract/storage"
diff --git a/backend/infra/contract/eventbus/eventbus.go b/backend/infra/contract/eventbus/eventbus.go
index 92f12729..27e8a546 100644
--- a/backend/infra/contract/eventbus/eventbus.go
+++ b/backend/infra/contract/eventbus/eventbus.go
@@ -24,7 +24,20 @@ type Producer interface {
 	BatchSend(ctx context.Context, bodyArr [][]byte, opts ...SendOpt) error
 }
 
-type Consumer interface{}
+var defaultSVC ConsumerService
+
+func SetDefaultSVC(svc ConsumerService) {
+	defaultSVC = svc
+}
+
+func GetDefaultSVC() ConsumerService {
+	return defaultSVC
+}
+
+type ConsumerService interface {
+	RegisterConsumer(nameServer, topic, group string, consumerHandler ConsumerHandler, opts ...ConsumerOpt) error
+}
+
 type ConsumerHandler interface {
 	HandleMessage(ctx context.Context, msg *Message) error
 }
diff --git a/backend/infra/impl/eventbus/eventbus.go b/backend/infra/impl/eventbus/eventbus.go
index 7d045915..3abac197 100644
--- a/backend/infra/impl/eventbus/eventbus.go
+++ b/backend/infra/impl/eventbus/eventbus.go
@@ -29,13 +29,23 @@ import (
 
 type (
 	Producer        = eventbus.Producer
-	Consumer        = eventbus.Consumer
+	ConsumerService = eventbus.ConsumerService
 	ConsumerHandler = eventbus.ConsumerHandler
 	ConsumerOpt     = eventbus.ConsumerOpt
 	Message         = eventbus.Message
 )
 
-func RegisterConsumer(nameServer, topic, group string, consumerHandler eventbus.ConsumerHandler, opts ...eventbus.ConsumerOpt) error {
+type consumerServiceImpl struct{}
+
+func NewConsumerService() ConsumerService {
+	return &consumerServiceImpl{}
+}
+
+func DefaultSVC() ConsumerService {
+	return eventbus.GetDefaultSVC()
+}
+
+func (consumerServiceImpl) RegisterConsumer(nameServer, topic, group string, consumerHandler eventbus.ConsumerHandler, opts ...eventbus.ConsumerOpt) error {
 	tp := os.Getenv(consts.MQTypeKey)
 	switch tp {
 	case "nsq":