diff --git a/apps/assets/models/node.py b/apps/assets/models/node.py
index ca3607cf6..c2a8fce33 100644
--- a/apps/assets/models/node.py
+++ b/apps/assets/models/node.py
@@ -5,9 +5,10 @@ import uuid
 from django.db import models, transaction
 from django.db.models import Q
 from django.utils.translation import ugettext_lazy as _
+from django.core.cache import cache
 
 from orgs.mixins import OrgModelMixin
-from orgs.utils import current_org, set_current_org, get_current_org
+from orgs.utils import set_current_org, get_current_org
 from orgs.models import Organization
 
 __all__ = ['Node']
@@ -21,10 +22,10 @@ class Node(OrgModelMixin):
     date_create = models.DateTimeField(auto_now_add=True)
 
     is_node = True
+    _full_value_cache_key_prefix = '_NODE_VALUE_{}'
 
     def __str__(self):
-        return self.value
-        # return self.full_value
+        return self.full_value
 
     def __eq__(self, other):
         return self.key == other.key
@@ -47,10 +48,29 @@ class Node(OrgModelMixin):
 
     @property
     def full_value(self):
-        ancestor = [a.value for a in self.get_ancestor(with_self=True)]
+        key = self._full_value_cache_key_prefix.format(self.key)
+        cached = cache.get(key)
+        if cached:
+            return cached
+        value = self.get_full_value()
+        self.cache_full_value(value)
+        return value
+
+    def get_full_value(self):
+        # ancestor = [a.value for a in self.get_ancestor(with_self=True)]
         if self.is_root():
             return self.value
-        return ' / '.join(ancestor)
+        parent_full_value = self.parent.full_value
+        value = parent_full_value + ' / ' + self.value
+        return value
+
+    def cache_full_value(self, value):
+        key = self._full_value_cache_key_prefix.format(self.key)
+        cache.set(key, value, 3600)
+
+    def expire_full_value(self):
+        key = self._full_value_cache_key_prefix.format(self.key)
+        cache.delete_pattern(key+'*')
 
     @property
     def level(self):
@@ -204,6 +224,10 @@ class Node(OrgModelMixin):
         defaults = {'value': 'Default'}
         return cls.objects.get_or_create(defaults=defaults, key='0')
 
+    @classmethod
+    def get_tree_name_ref(cls):
+        pass
+
     @classmethod
     def generate_fake(cls, count=100):
         import random
@@ -212,4 +236,3 @@ class Node(OrgModelMixin):
             node.create_child('Node {}'.format(i))
 
 
-
diff --git a/apps/assets/signals_handler.py b/apps/assets/signals_handler.py
index 157c88012..71866c5d0 100644
--- a/apps/assets/signals_handler.py
+++ b/apps/assets/signals_handler.py
@@ -86,3 +86,9 @@ def on_node_assets_changed(sender, instance=None, **kwargs):
             system_users = SystemUser.objects.filter(nodes=instance)
             for system_user in system_users:
                 system_user.assets.add(*tuple(assets))
+
+
+@receiver(post_save, sender=Node)
+def on_node_update_or_created(sender, instance=None, created=False, **kwargs):
+    if instance and not created:
+        instance.expire_full_value()
diff --git a/apps/orgs/apps.py b/apps/orgs/apps.py
index fdd6dc1b6..c83d67e3c 100644
--- a/apps/orgs/apps.py
+++ b/apps/orgs/apps.py
@@ -3,3 +3,6 @@ from django.apps import AppConfig
 
 class OrgsConfig(AppConfig):
     name = 'orgs'
+
+    def ready(self):
+        from . import signals_handler
diff --git a/apps/orgs/hands.py b/apps/orgs/hands.py
new file mode 100644
index 000000000..f3dbd3211
--- /dev/null
+++ b/apps/orgs/hands.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+#
+from assets.models import Node
+from orgs.utils import set_current_org, current_org
diff --git a/apps/orgs/models.py b/apps/orgs/models.py
index 5d3539ae1..f9e866741 100644
--- a/apps/orgs/models.py
+++ b/apps/orgs/models.py
@@ -27,7 +27,7 @@ class Organization(models.Model):
 
     def expire_cache(self):
         key = self.CACHE_PREFIX.format(self.id)
-        cache.set(key, self, 0)
+        cache.set(key, self, 1)
 
     @classmethod
     def get_instance_from_cache(cls, oid):
diff --git a/apps/orgs/signals_handler.py b/apps/orgs/signals_handler.py
new file mode 100644
index 000000000..9427649b2
--- /dev/null
+++ b/apps/orgs/signals_handler.py
@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+#
+
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+
+from .models import Organization
+from .hands import set_current_org, current_org, Node
+
+
+@receiver(post_save, sender=Organization)
+def on_org_create_or_update(sender, instance=None, created=False, **kwargs):
+    if instance:
+        old_org = current_org
+        set_current_org(instance)
+        node_root = Node.root()
+        if node_root.value != instance.name:
+            node_root.value = instance.name
+            node_root.save()
+        set_current_org(old_org)
+
+    if instance and not created:
+        instance.expire_cache()