diff --git a/go.mod b/go.mod
index c252fdc..23b08a7 100644
--- a/go.mod
+++ b/go.mod
@@ -11,6 +11,7 @@ require (
 	github.com/gin-gonic/gin v1.9.1
 	github.com/google/gopacket v1.1.19
 	github.com/google/uuid v1.3.0
+	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.8.1
 	github.com/stretchr/testify v1.8.3
 	github.com/urfave/cli v1.22.5
@@ -39,7 +40,6 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.0.1 // indirect
 	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
diff --git a/internal/context/context.go b/internal/context/context.go
index 347222b..cafb81b 100644
--- a/internal/context/context.go
+++ b/internal/context/context.go
@@ -104,7 +104,6 @@ func Init() {
 	InitAusfContext(&ausfContext)
 }
 
-
 type NFContext interface {
 	AuthorizationCheck(token, serviceName string) error
 }
@@ -185,4 +184,4 @@ func (c *AUSFContext) AuthorizationCheck(token, serviceName string) error {
 
 	logger.UtilLog.Debugf("AUSFContext::AuthorizationCheck: token[%s] serviceName[%s]\n", token, serviceName)
 	return oauth.VerifyOAuth(token, serviceName, c.NrfCertPem)
-}
\ No newline at end of file
+}
diff --git a/internal/logger/logger.go b/internal/logger/logger.go
index b2d3ce3..90993e0 100644
--- a/internal/logger/logger.go
+++ b/internal/logger/logger.go
@@ -18,7 +18,7 @@ var (
 	UeAuthLog    *logrus.Entry
 	Auth5gAkaLog *logrus.Entry
 	AuthELog     *logrus.Entry
-	UtilLog 	 *logrus.Entry
+	UtilLog      *logrus.Entry
 )
 
 func init() {
diff --git a/internal/sbi/consumer/nf_management.go b/internal/sbi/consumer/nf_management.go
index 3d3d6e3..5f3e8d4 100644
--- a/internal/sbi/consumer/nf_management.go
+++ b/internal/sbi/consumer/nf_management.go
@@ -1,7 +1,6 @@
 package consumer
 
 import (
-
 	"fmt"
 	"net/http"
 	"strings"
diff --git a/internal/sbi/producer/functions.go b/internal/sbi/producer/functions.go
index 59498a1..35d5a2c 100644
--- a/internal/sbi/producer/functions.go
+++ b/internal/sbi/producer/functions.go
@@ -1,7 +1,6 @@
 package producer
 
 import (
-
 	"crypto/hmac"
 	"crypto/sha256"
 	"encoding/base64"
diff --git a/internal/sbi/producer/ue_authentication.go b/internal/sbi/producer/ue_authentication.go
index dd2a01c..36831f1 100644
--- a/internal/sbi/producer/ue_authentication.go
+++ b/internal/sbi/producer/ue_authentication.go
@@ -2,7 +2,6 @@ package producer
 
 import (
 	"bytes"
-
 	"crypto/sha256"
 	"encoding/base64"
 	"encoding/hex"
diff --git a/internal/sbi/sorprotection/routers.go b/internal/sbi/sorprotection/routers.go
index 18640b9..a62cf6d 100644
--- a/internal/sbi/sorprotection/routers.go
+++ b/internal/sbi/sorprotection/routers.go
@@ -12,7 +12,7 @@ package sorprotection
 import (
 	"net/http"
 	"strings"
-	
+
 	"github.com/gin-gonic/gin"
 
 	ausf_context "github.com/free5gc/ausf/internal/context"
diff --git a/internal/util/router_auth_check.go b/internal/util/router_auth_check.go
index 88ea59a..37c571b 100644
--- a/internal/util/router_auth_check.go
+++ b/internal/util/router_auth_check.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/gin-gonic/gin"
 
-ausf_context "github.com/free5gc/ausf/internal/context"
+	ausf_context "github.com/free5gc/ausf/internal/context"
 	"github.com/free5gc/ausf/internal/logger"
 )
 
@@ -30,4 +30,4 @@ func (rac *RouterAuthorizationCheck) Check(c *gin.Context, ausfContext ausf_cont
 	}
 
 	logger.UtilLog.Debugf("RouterAuthorizationCheck: Check Authorized")
-}
\ No newline at end of file
+}
diff --git a/internal/util/router_auth_check_test.go b/internal/util/router_auth_check_test.go
index bc0de90..cd98841 100644
--- a/internal/util/router_auth_check_test.go
+++ b/internal/util/router_auth_check_test.go
@@ -88,4 +88,4 @@ func TestRouterAuthorizationCheck_Check(t *testing.T) {
 			}
 		})
 	}
-}
\ No newline at end of file
+}