diff --git a/apps/assets/models/node.py b/apps/assets/models/node.py
index da8563cc1..37ebbd6d3 100644
--- a/apps/assets/models/node.py
+++ b/apps/assets/models/node.py
@@ -39,9 +39,9 @@ class TreeMixin:
         tree_updated_time = cache.get(cls.tree_updated_time_cache_key, 0)
         if not cls.tree_created_time or \
                 tree_updated_time > cls.tree_created_time:
+            logger.debug("Create node tree")
             tree = TreeService.new()
             cls.tree_created_time = time.time()
-            cls.refresh_tree(cls.tree_assets_created_time)
             cls.tree_assets_created_time = time.time()
             cls._tree_service = tree
             return tree
@@ -50,7 +50,7 @@ class TreeMixin:
                 node_assets_updated_time > cls.tree_assets_created_time:
             cls._tree_service.init_assets_async()
             cls.tree_assets_created_time = time.time()
-            cls.refresh_node_assets(cls.tree_assets_created_time)
+            logger.debug("Refresh node tree assets")
         return cls._tree_service
 
     @classmethod
diff --git a/apps/assets/utils.py b/apps/assets/utils.py
index 16eb28ec8..01dae25be 100644
--- a/apps/assets/utils.py
+++ b/apps/assets/utils.py
@@ -92,6 +92,8 @@ class TreeService(Tree):
     def init_assets(self):
         from orgs.utils import tmp_to_root_org
         self.all_nodes_assets_map = {}
+        self.nodes_assets_map = defaultdict(set)
+        logger.debug('Init tree assets')
         with tmp_to_root_org():
             queryset = Asset.objects.all().values_list('id', 'nodes__key')
             for asset_id, key in queryset: