From 32ed385498bcfcbcca2ba20f438fa605ef207ac1 Mon Sep 17 00:00:00 2001
From: ibuler <ibuler@qq.com>
Date: Wed, 30 Sep 2020 12:20:13 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E8=B5=84=E4=BA=A7?=
 =?UTF-8?q?=E5=88=97=E8=A1=A8=E6=9C=89=E6=97=B6=E7=9A=84bug?=
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---
 apps/assets/utils.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apps/assets/utils.py b/apps/assets/utils.py
index 6b4d8111a..870d93e62 100644
--- a/apps/assets/utils.py
+++ b/apps/assets/utils.py
@@ -125,6 +125,8 @@ class TreeService(Tree):
 
     def assets(self, nid):
         node = self.get_node(nid)
+        if not node:
+            return set()
         return node.data.get("assets", set())
 
     def valid_assets(self, nid):
@@ -132,6 +134,8 @@ class TreeService(Tree):
 
     def all_assets(self, nid):
         node = self.get_node(nid)
+        if not node:
+            return set()
         if node.data is None:
             node.data = {}
         all_assets = node.data.get("all_assets")