diff --git a/internal/sbi/api_management.go b/internal/sbi/api_management.go
index bf876b9..a24ec68 100644
--- a/internal/sbi/api_management.go
+++ b/internal/sbi/api_management.go
@@ -99,14 +99,14 @@ func (s *Server) NFInstance(c *gin.Context) {
 }
 
 func (s *Server) RegisterNFInstance(c *gin.Context) {
-	auth_err := authorizationCheck(c, "nnrf-nfm")
-	if auth_err != nil {
-		c.JSON(http.StatusUnauthorized, gin.H{"error": auth_err.Error()})
-		return
-	}
+	// auth_err := authorizationCheck(c, "nnrf-nfm")
+	// if auth_err != nil {
+	// 	c.JSON(http.StatusUnauthorized, gin.H{"error": auth_err.Error()})
+	// 	return
+	// }
 
 	// step 1: retrieve http request body
-	var nfprofile models.NfProfile
+	var nfProfile models.NfProfile
 
 	requestBody, err := c.GetRawData()
 	if err != nil {
@@ -122,7 +122,7 @@ func (s *Server) RegisterNFInstance(c *gin.Context) {
 	}
 
 	// step 2: convert requestBody to openapi models
-	err = openapi.Deserialize(&nfprofile, requestBody, "application/json")
+	err = openapi.Deserialize(&nfProfile, requestBody, "application/json")
 	if err != nil {
 		problemDetail := "[Request Body] " + err.Error()
 		rsp := models.ProblemDetails{
@@ -137,30 +137,8 @@ func (s *Server) RegisterNFInstance(c *gin.Context) {
 
 	logger.NfmLog.Infoln("Handle NFRegisterRequest")
 
-	nfProfile := models.NfProfile{}
-	header, response, isUpdate, problemDetails := s.Processor().NFRegisterProcedure(c, nfProfile)
-
-	if response != nil {
-		for key, val := range header {
-			c.Header(key, val[0])
-		}
-		if isUpdate {
-			logger.NfmLog.Traceln("update success")
+	s.Processor().NFRegisterProcedure(c, nfProfile)
 
-			c.JSON(http.StatusOK, response)
-		}
-		logger.NfmLog.Traceln("register success")
-		c.JSON(http.StatusCreated, response)
-	} else if problemDetails != nil {
-		logger.NfmLog.Traceln("register failed")
-		c.JSON(int(problemDetails.Status), problemDetails)
-	}
-	problemDetails = &models.ProblemDetails{
-		Status: http.StatusForbidden,
-		Cause:  "UNSPECIFIED",
-	}
-	logger.NfmLog.Traceln("register failed")
-	c.JSON(http.StatusForbidden, problemDetails)
 }
 
 // UpdateNFInstance - Update NF Instance profile
diff --git a/internal/sbi/processor/nfmanagement.go b/internal/sbi/processor/nfmanagement.go
index 6a4f72f..172271b 100644
--- a/internal/sbi/processor/nfmanagement.go
+++ b/internal/sbi/processor/nfmanagement.go
@@ -170,7 +170,7 @@ func (p *Processor) GetNFInstancesProcedure(
 	c.JSON(http.StatusForbidden, nil)
 }
 
-func (p *Processor) NFDeregisterProcedure(c *gin.Context, nfInstanceID string) *models.ProblemDetails { // OK
+func (p *Processor) NFDeregisterProcedure(c *gin.Context, nfInstanceID string) {
 	collName := "NfProfile"
 	filter := bson.M{"nfInstanceId": nfInstanceID}
 
@@ -196,7 +196,8 @@ func (p *Processor) NFDeregisterProcedure(c *gin.Context, nfInstanceID string) *
 			Detail: err.Error(),
 			Cause:  "SYSTEM_FAILURE",
 		}
-		return problemDetail
+		c.JSON(http.StatusInternalServerError, problemDetail)
+		return
 	}
 
 	// nfProfile data for response
@@ -208,7 +209,8 @@ func (p *Processor) NFDeregisterProcedure(c *gin.Context, nfInstanceID string) *
 			Cause:  "NOTIFICATION_ERROR",
 			Detail: err.Error(),
 		}
-		return problemDetails
+		c.JSON(int(problemDetails.Status), problemDetails)
+		return
 	}
 
 	if len(nfProfiles) == 0 {
@@ -218,7 +220,8 @@ func (p *Processor) NFDeregisterProcedure(c *gin.Context, nfInstanceID string) *
 			Cause:  "RESOURCE_URI_STRUCTURE_NOT_FOUND",
 			Detail: fmt.Sprintf("NFProfile[%s] not found", nfInstanceID),
 		}
-		return problemDetails
+		c.JSON(int(problemDetails.Status), problemDetails)
+		return
 	}
 
 	uriList := nrf_context.GetNotificationUri(nfProfiles[0])
@@ -230,7 +233,8 @@ func (p *Processor) NFDeregisterProcedure(c *gin.Context, nfInstanceID string) *
 	for _, uri := range uriList {
 		problemDetails := SendNFStatusNotify(Notification_event, nfInstanceUri, uri, nil)
 		if problemDetails != nil {
-			return problemDetails
+			c.JSON(int(problemDetails.Status), problemDetails)
+			return
 		}
 	}
 
@@ -245,7 +249,8 @@ func (p *Processor) NFDeregisterProcedure(c *gin.Context, nfInstanceID string) *
 			Detail: err.Error(),
 			Cause:  "SYSTEM_FAILURE",
 		}
-		return problemDetail
+		c.JSON(http.StatusInternalServerError, problemDetail)
+		return
 	}
 	if factory.NrfConfig.GetOAuth() {
 		nfCertPath := oauth.GetNFCertPath(factory.NrfConfig.GetCertBasePath(), string(nfInstanceType), nfInstanceID)
@@ -254,10 +259,10 @@ func (p *Processor) NFDeregisterProcedure(c *gin.Context, nfInstanceID string) *
 			logger.NfmLog.Warningf("Can not delete NFCertPem file: %v: %v", nfCertPath, err)
 		}
 	}
-	return nil
+	c.JSON(http.StatusNoContent, nil)
 }
 
-func (p *Processor) UpdateNFInstanceProcedure( // OK
+func (p *Processor) UpdateNFInstanceProcedure(
 	c *gin.Context, nfInstanceID string, patchJSON []byte,
 ) map[string]interface{} {
 	collName := "NfProfile"
@@ -301,7 +306,7 @@ func (p *Processor) UpdateNFInstanceProcedure( // OK
 	return nf
 }
 
-func (p *Processor) GetNFInstanceProcedure(c *gin.Context, nfInstanceID string) { // OK
+func (p *Processor) GetNFInstanceProcedure(c *gin.Context, nfInstanceID string) {
 	collName := "NfProfile"
 	filter := bson.M{"nfInstanceId": nfInstanceID}
 	response, err := mongoapi.RestfulAPIGetOne(collName, filter)
@@ -316,10 +321,7 @@ func (p *Processor) GetNFInstanceProcedure(c *gin.Context, nfInstanceID string)
 	c.JSON(http.StatusOK, response)
 }
 
-func (p *Processor) NFRegisterProcedure(c *gin.Context, nfProfile models.NfProfile) ( // OK
-	header http.Header, response bson.M,
-	update bool, problemDetails *models.ProblemDetails,
-) {
+func (p *Processor) NFRegisterProcedure(c *gin.Context, nfProfile models.NfProfile) {
 	logger.NfmLog.Traceln("[NRF] In NFRegisterProcedure")
 	var nf models.NfProfile
 
@@ -331,7 +333,7 @@ func (p *Processor) NFRegisterProcedure(c *gin.Context, nfProfile models.NfProfi
 			Detail: err.Error(),
 		}
 		c.JSON(int(problemDetails.Status), problemDetails)
-		return nil, nil, false, problemDetails
+		return
 	}
 
 	// make location header
@@ -347,7 +349,7 @@ func (p *Processor) NFRegisterProcedure(c *gin.Context, nfProfile models.NfProfi
 			Cause:  "SYSTEM_FAILURE",
 		}
 		c.JSON(int(problemDetails.Status), problemDetails)
-		return nil, nil, false, problemDetails
+		return
 	}
 	putData := bson.M{}
 	err = json.Unmarshal(tmp, &putData)
@@ -360,7 +362,7 @@ func (p *Processor) NFRegisterProcedure(c *gin.Context, nfProfile models.NfProfi
 			Cause:  "SYSTEM_FAILURE",
 		}
 		c.JSON(int(problemDetails.Status), problemDetails)
-		return nil, nil, false, problemDetails
+		return
 	}
 	// set db info
 	collName := "NfProfile"
@@ -378,7 +380,7 @@ func (p *Processor) NFRegisterProcedure(c *gin.Context, nfProfile models.NfProfi
 			Cause:  "SYSTEM_FAILURE",
 		}
 		c.JSON(int(problemDetails.Status), problemDetails)
-		return nil, nil, false, problemDetails
+		return
 	}
 
 	if existed {
@@ -394,14 +396,13 @@ func (p *Processor) NFRegisterProcedure(c *gin.Context, nfProfile models.NfProfi
 			problemDetails := SendNFStatusNotify(Notification_event, nfInstanceUri, uri, &nfProfile)
 			if problemDetails != nil {
 				c.JSON(int(problemDetails.Status), problemDetails)
-				return nil, nil, true, problemDetails
+				return
 			}
 		}
 
-		header := make(http.Header)
-		header.Add("Location", locationHeaderValue)
+		c.Header("Location", locationHeaderValue)
 		c.JSON(http.StatusOK, putData)
-		return header, putData, true, nil
+		return
 	} else { // Create NF Profile case
 		logger.NfmLog.Infoln("Create NF Profile")
 		uriList := nrf_context.GetNotificationUri(nf)
@@ -413,12 +414,11 @@ func (p *Processor) NFRegisterProcedure(c *gin.Context, nfProfile models.NfProfi
 			problemDetails := SendNFStatusNotify(Notification_event, nfInstanceUri, uri, &nfProfile)
 			if problemDetails != nil {
 				c.JSON(int(problemDetails.Status), problemDetails)
-				return nil, nil, false, problemDetails
+				return
 			}
 		}
 
-		header := make(http.Header)
-		header.Add("Location", locationHeaderValue)
+		c.Header("Location", locationHeaderValue)
 		logger.NfmLog.Infoln("Location header: ", locationHeaderValue)
 
 		if factory.NrfConfig.GetOAuth() {
@@ -429,7 +429,7 @@ func (p *Processor) NFRegisterProcedure(c *gin.Context, nfProfile models.NfProfi
 			}
 		}
 		c.JSON(http.StatusCreated, putData)
-		return header, putData, false, nil
+		return
 	}
 }
 
diff --git a/internal/sbi/server.go b/internal/sbi/server.go
index f82be68..eb74e18 100644
--- a/internal/sbi/server.go
+++ b/internal/sbi/server.go
@@ -75,15 +75,15 @@ func authorizationCheck(c *gin.Context, serviceName string) error {
 func applyRoutes(group *gin.RouterGroup, routes []Route) {
 	for _, route := range routes {
 		switch route.Method {
-		case "http.MethodGet":
+		case http.MethodGet:
 			group.GET(route.Pattern, route.APIFunc)
-		case "http.MethodPost":
+		case http.MethodPost:
 			group.POST(route.Pattern, route.APIFunc)
-		case "http.MethodPut":
+		case http.MethodPut:
 			group.PUT(route.Pattern, route.APIFunc)
-		case "http.MethodPatch":
+		case http.MethodPatch:
 			group.PATCH(route.Pattern, route.APIFunc)
-		case "http.MethodDelete":
+		case http.MethodDelete:
 			group.DELETE(route.Pattern, route.APIFunc)
 		}
 	}
@@ -94,6 +94,18 @@ func NewServer(nrf nrf, tlsKeyLogPath string) (*Server, error) {
 		nrf: nrf,
 	}
 
+	nfManagementRoutes := s.getNFManagementRoutes()
+	nfManagementGroup := s.router.Group(factory.NrfNfmResUriPrefix)
+	applyRoutes(nfManagementGroup, nfManagementRoutes)
+
+	nfDiscoveryRoutes := s.getNFDiscoveryRoutes()
+	nfDiscoveryGroup := s.router.Group(factory.NrfDiscResUriPrefix)
+	applyRoutes(nfDiscoveryGroup, nfDiscoveryRoutes)
+
+	accessTokenRoutes := s.getAccessTokenRoutes()
+	accessTokenGroup := s.router.Group(factory.NrfAccTokenResUriPrefix)
+	applyRoutes(accessTokenGroup, accessTokenRoutes)
+
 	cfg := s.Config()
 	bindAddr := cfg.GetSbiBindingAddr()
 	logger.SBILog.Infof("Binding addr: [%s]", bindAddr)
@@ -154,7 +166,7 @@ func (s *Server) startServer(wg *sync.WaitGroup) {
 	// else {
 	// 	err = fmt.Errorf("No support this scheme[%s]", scheme)
 	// }
-
+	logger.SBILog.Errorln("Test_Error ")
 	if err != nil && err != http.ErrServerClosed {
 		logger.SBILog.Errorf("SBI server error: %v", err)
 	}