diff --git a/internal/util/oauth/router_auth_check_test.go b/internal/util/oauth/router_auth_check_test.go
index 4af6a756..2bc78fb0 100644
--- a/internal/util/oauth/router_auth_check_test.go
+++ b/internal/util/oauth/router_auth_check_test.go
@@ -5,9 +5,10 @@ import (
 	"net/http/httptest"
 	"testing"
 
-	"github.com/free5gc/openapi/models"
 	"github.com/gin-gonic/gin"
 	"github.com/pkg/errors"
+
+	"github.com/free5gc/openapi/models"
 )
 
 const (