diff --git a/internal/gmm/handler.go b/internal/gmm/handler.go
index abf82f3..e40d7a6 100644
--- a/internal/gmm/handler.go
+++ b/internal/gmm/handler.go
@@ -266,7 +266,7 @@ func CreatePDUSession(ulNasTransport *nasMessage.ULNASTransport,
 		ue.Lock.Lock()
 		defer ue.Lock.Unlock()
 
-		_, smContextRef, errResponse, problemDetail, errSendReq := consumer.GetConsumer().SendCreateSmContextRequest(
+		smContextRef, errResponse, problemDetail, errSendReq := consumer.GetConsumer().SendCreateSmContextRequest(
 			ue, newSmContext, nil, smMessage)
 		if errSendReq != nil {
 			ue.GmmLog.Errorf("CreateSmContextRequest Error: %+v", errSendReq)
diff --git a/internal/sbi/consumer/amf_service.go b/internal/sbi/consumer/amf_service.go
index 5fab487..164b3b8 100644
--- a/internal/sbi/consumer/amf_service.go
+++ b/internal/sbi/consumer/amf_service.go
@@ -8,7 +8,6 @@ import (
 	"github.com/free5gc/amf/internal/logger"
 	"github.com/free5gc/nas/nasMessage"
 	"github.com/free5gc/openapi"
-	// "github.com/free5gc/openapi/Namf_Communication"
 	Namf_Communication "github.com/free5gc/openapi/amf/Communication"
 	"github.com/free5gc/openapi/models"
 )
@@ -303,7 +302,7 @@ func (s *namfService) RegistrationStatusUpdate(ue *amf_context.AmfUe, request mo
 
 	res, localErr := client.IndividualUeContextDocumentApi.
 		RegistrationStatusUpdate(ctx, &regStatusUpdateReq)
-	if err == nil {
+	if localErr == nil {
 		regStatusTransferComplete = res.UeRegStatusUpdateRspData.RegStatusTransferComplete
 	} else {
 		if apiErr, ok := localErr.(openapi.GenericOpenAPIError); ok {
diff --git a/internal/sbi/consumer/ausf_service.go b/internal/sbi/consumer/ausf_service.go
index 181ac2f..8646b0a 100644
--- a/internal/sbi/consumer/ausf_service.go
+++ b/internal/sbi/consumer/ausf_service.go
@@ -77,7 +77,7 @@ func (s *nausfService) SendUEAuthenticationAuthenticateRequest(ue *amf_context.A
 	}
 
 	res, localErr := client.DefaultApi.UeAuthenticationsPost(ctx, &authreq)
-	if err == nil {
+	if localErr == nil {
 		return &res.UeAuthenticationCtx, nil, nil
 	} else {
 		if apiErr, ok := localErr.(openapi.GenericOpenAPIError); ok {
@@ -92,7 +92,7 @@ func (s *nausfService) SendAuth5gAkaConfirmRequest(ue *amf_context.AmfUe, resSta
 	*models.ConfirmationDataResponse, *models.ProblemDetails, error,
 ) {
 	var ausfUri string
-	confirmUri, err := url.Parse(ue.AuthenticationCtx.Links["5g-aka"].Href)
+	confirmUri, err := url.Parse(ue.AuthenticationCtx.Links["5g-aka"][0].Href)
 	if err != nil {
 		return nil, nil, err
 	} else {
diff --git a/internal/sbi/consumer/nrf_service.go b/internal/sbi/consumer/nrf_service.go
index 9f5e4b3..7c94f86 100644
--- a/internal/sbi/consumer/nrf_service.go
+++ b/internal/sbi/consumer/nrf_service.go
@@ -14,7 +14,6 @@ import (
 	"github.com/free5gc/openapi"
 	"github.com/free5gc/openapi/models"
 	Nnrf_NFDiscovery "github.com/free5gc/openapi/nrf/NFDiscovery"
-	"github.com/free5gc/openapi/nrf/NFManagement"
 	Nnrf_NFManagement "github.com/free5gc/openapi/nrf/NFManagement"
 )
 
@@ -87,12 +86,10 @@ func (s *nnrfService) SendSearchNFInstances(nrfUri string, targetNfType, request
 	}
 	res, err := client.NFInstancesStoreApi.SearchNFInstances(ctx, param)
 	var result *models.SearchResult
-	if res != nil {
-		result = &res.SearchResult
-	}
 	if err != nil {
 		logger.ConsumerLog.Errorf("SearchNFInstances failed: %+v", err)
 	}
+	result = &res.SearchResult
 	return result, err
 }
 
@@ -309,7 +306,7 @@ func (s *nnrfService) SendDeregisterNFInstance() (problemDetails *models.Problem
 		return pd, err
 	}
 
-	request := &NFManagement.DeregisterNFInstanceRequest{
+	request := &Nnrf_NFManagement.DeregisterNFInstanceRequest{
 		NfInstanceID: &amfContext.NfId,
 	}
 
diff --git a/internal/sbi/consumer/smf_service.go b/internal/sbi/consumer/smf_service.go
index 41b7c59..0988ed5 100644
--- a/internal/sbi/consumer/smf_service.go
+++ b/internal/sbi/consumer/smf_service.go
@@ -149,7 +149,7 @@ func (s *nsmfService) SelectSmf(
 
 func (s *nsmfService) SendCreateSmContextRequest(ue *amf_context.AmfUe, smContext *amf_context.SmContext,
 	requestType *models.RequestType, nasPdu []byte) (
-	response *models.PostSmContextsResponse201, smContextRef string, errorResponse *models.PostSmContextsError,
+	smContextRef string, errorResponse *models.PostSmContextsError,
 	problemDetail *models.ProblemDetails, err1 error,
 ) {
 	smContextCreateData := s.buildCreateSmContextRequest(ue, smContext, nil)
@@ -163,26 +163,28 @@ func (s *nsmfService) SendCreateSmContextRequest(ue *amf_context.AmfUe, smContex
 
 	client := s.getPDUSessionClient(smContext.SmfUri())
 	if client == nil {
-		return nil, "", nil, nil, openapi.ReportError("smf not found")
+		return "", nil, nil, openapi.ReportError("smf not found")
 	}
 
 	ctx, _, err := amf_context.GetSelf().GetTokenCtx(models.ServiceName_NSMF_PDUSESSION, models.NrfNfManagementNfType_SMF)
 	if err != nil {
-		return nil, "", nil, nil, err
+		return "", nil, nil, err
 	}
 	postSmContextReponse, localErr := client.SMContextsCollectionApi.
 		PostSmContexts(ctx, &postSmContextsRequest)
 	if localErr == nil {
-		response = &postSmContextReponse.PostSmContextsResponse201
 		smContextRef = postSmContextReponse.Location
 	} else {
 		err1 = localErr
 		if apiErr, ok := localErr.(openapi.GenericOpenAPIError); ok {
 			// API error
-			problemDetail = apiErr.Model().(*models.ProblemDetails)
+			problemDetail, ok = apiErr.Model().(*models.ProblemDetails)
+			if !ok {
+				errorResponse = apiErr.Model().(*models.PostSmContextsError)
+			}
 		}
 	}
-	return response, smContextRef, errorResponse, problemDetail, err1
+	return smContextRef, errorResponse, problemDetail, err1
 }
 
 func (s *nsmfService) buildCreateSmContextRequest(ue *amf_context.AmfUe, smContext *amf_context.SmContext,
@@ -473,7 +475,10 @@ func (s *nsmfService) SendUpdateSmContextRequest(smContext *amf_context.SmContex
 		err1 = localErr
 		if apiErr, ok := localErr.(openapi.GenericOpenAPIError); ok {
 			// API error
-			problemDetail = apiErr.Model().(*models.ProblemDetails)
+			problemDetail, ok = apiErr.Model().(*models.ProblemDetails)
+			if !ok {
+				errorResponse = apiErr.Model().(*models.UpdateSmContextResponse400)
+			}
 		}
 	}
 	return response, errorResponse, problemDetail, err1
diff --git a/internal/util/convert.go b/internal/util/convert.go
index 936a9be..794197b 100644
--- a/internal/util/convert.go
+++ b/internal/util/convert.go
@@ -60,8 +60,8 @@ func PlmnIdStringToModels(plmnId string) (plmnID models.PlmnId) {
 }
 
 func PlmnIdNidToModelsPlmnId(plmnIdNid models.PlmnIdNid) (plmnId models.PlmnId) {
-	plmnIdNid.Mcc = plmnId.Mcc
-	plmnIdNid.Mnc = plmnId.Mnc
+	plmnId.Mcc = plmnIdNid.Mcc
+	plmnId.Mnc = plmnIdNid.Mnc
 	return
 }