fix bugs
diff --git a/xos/configurations/cord-pod/cord-vtn-vsg.yaml b/xos/configurations/cord-pod/cord-vtn-vsg.yaml
index e145a4e..d696d98 100644
--- a/xos/configurations/cord-pod/cord-vtn-vsg.yaml
+++ b/xos/configurations/cord-pod/cord-vtn-vsg.yaml
@@ -41,8 +41,8 @@
     service_vsg:
       type: tosca.nodes.VSGService
       requirements:
-          - vbng_tenant:
-              node: service_vbng
+          - vrouter_tenant:
+              node: service_vrouter
               relationship: tosca.relationships.TenantOfService
       properties:
           view_url: /admin/cord/vsgservice/$id$/
@@ -61,10 +61,10 @@
       properties:
           view_url: /admin/cord/vrouterservice/$id$/
       requirements:
-          addresses_vsg:
+          - addresses_vsg:
               node: addresses_vsg
               relationship: tosca.relationships.ProvidesAddresses
-          addresses_service1:
+          - addresses_service1:
               node: addresses_service1
               relationship: tosca.relationships.ProvidesAddresses
 
diff --git a/xos/services/cord/models.py b/xos/services/cord/models.py
index 7cd20cb..2460ec7 100644
--- a/xos/services/cord/models.py
+++ b/xos/services/cord/models.py
@@ -8,7 +8,7 @@
 from operator import itemgetter, attrgetter, methodcaller
 from core.models import Tag
 from core.models.service import LeastLoadedNodeScheduler
-from services.vrouter import VRouterService, VRouterTenant
+from services.vrouter.models import VRouterService, VRouterTenant
 import traceback
 from xos.exceptions import *
 from xos.config import Config
diff --git a/xos/services/vrouter/models.py b/xos/services/vrouter/models.py
index d7d7387..ab9c90e 100644
--- a/xos/services/vrouter/models.py
+++ b/xos/services/vrouter/models.py
@@ -63,7 +63,7 @@
 
         return t
 
-VRouterService.setup_simple_attributes()
+#VRouterService.setup_simple_attributes()
 
 class VRouterTenant(Tenant):
     class Meta: