From ed18cb317f754432439d48823d91138315863ea3 Mon Sep 17 00:00:00 2001
From: ibuler <ibuler@qq.com>
Date: Tue, 15 May 2018 15:05:49 +0800
Subject: [PATCH] =?UTF-8?q?[Bugfix]=20=E4=BF=AE=E5=A4=8D=E5=88=9B=E5=BB=BA?=
 =?UTF-8?q?node=20api=E7=9A=84bug?=
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---
 apps/assets/serializers/node.py | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/apps/assets/serializers/node.py b/apps/assets/serializers/node.py
index bee350591..b191b0a4f 100644
--- a/apps/assets/serializers/node.py
+++ b/apps/assets/serializers/node.py
@@ -53,14 +53,13 @@ class NodeSerializer(serializers.ModelSerializer):
 
     def validate(self, data):
         value = data.get('value')
-        instance = self.instance
-        if not instance.is_root():
-            children = instance.parent.get_children().exclude(key=instance.key)
-            values = [child.value for child in children]
-            if value in values:
-                raise serializers.ValidationError(
-                    'The same level node name cannot be the same'
-                )
+        instance = self.instance if self.instance else Node.root()
+        children = instance.parent.get_children().exclude(key=instance.key)
+        values = [child.value for child in children]
+        if value in values:
+            raise serializers.ValidationError(
+                'The same level node name cannot be the same'
+            )
         return data
 
     @staticmethod