From 90ec6a2962360d5d7ce2335a35212f24481f768d Mon Sep 17 00:00:00 2001
From: BaiJiangJie <32935519+BaiJiangJie@users.noreply.github.com>
Date: Tue, 8 Oct 2019 11:57:22 +0800
Subject: [PATCH] =?UTF-8?q?[Bugfix]=20=E4=BF=AE=E5=A4=8D=E5=88=9B=E5=BB=BA?=
 =?UTF-8?q?=E8=B5=84=E4=BA=A7=E8=8A=82=E7=82=B9=E7=9A=84Bug=20(#3308)?=
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---
 apps/assets/serializers/node.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/apps/assets/serializers/node.py b/apps/assets/serializers/node.py
index e22857d54..10a7a52d1 100644
--- a/apps/assets/serializers/node.py
+++ b/apps/assets/serializers/node.py
@@ -25,10 +25,12 @@ class NodeSerializer(BulkOrgResourceModelSerializer):
         read_only_fields = ['key', 'org_id']
 
     def validate_value(self, data):
-        if not self.instance and not data:
-            return data
-        instance = self.instance
-        siblings = instance.get_siblings()
+        if self.instance:
+            instance = self.instance
+            siblings = instance.get_siblings()
+        else:
+            instance = Node.org_root()
+            siblings = instance.get_children()
         if siblings.filter(value=data):
             raise serializers.ValidationError(
                 _('The same level node name cannot be the same')