From a15ab8b8c60695757a4f2ec634a233723543508a Mon Sep 17 00:00:00 2001
From: chenjianxing <jianxing.chen@fit2cloud.com>
Date: Fri, 19 Feb 2021 17:44:29 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E6=B5=8B=E8=AF=95=E7=94=A8=E4=BE=8B?=
 =?UTF-8?q?=E6=A8=A1=E5=9D=97=E6=A0=91=E6=8B=96=E6=8B=BD=E6=8A=A5=E9=94=99?=
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---
 .../io/metersphere/track/service/TestCaseNodeService.java     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/backend/src/main/java/io/metersphere/track/service/TestCaseNodeService.java b/backend/src/main/java/io/metersphere/track/service/TestCaseNodeService.java
index fedd336094..ef6c5abece 100644
--- a/backend/src/main/java/io/metersphere/track/service/TestCaseNodeService.java
+++ b/backend/src/main/java/io/metersphere/track/service/TestCaseNodeService.java
@@ -405,6 +405,10 @@ public class TestCaseNodeService extends NodeTreeService<TestCaseNodeDTO> {
 
         TestCaseNodeDTO nodeTree = request.getNodeTree();
 
+        if (nodeTree == null) {
+            return;
+        }
+
         List<TestCaseNode> updateNodes = new ArrayList<>();
 
         buildUpdateTestCase(nodeTree, testCases, updateNodes, "/", "0", 1);