From 6c41126706ded411b48fc49be743395abf9605f8 Mon Sep 17 00:00:00 2001
From: onozaty <onozaty@gmail.com>
Date: Thu, 21 Mar 2024 22:58:13 +0900
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---
 .../0023.when_create_child_use_parent_infomation/example.md  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/examples/0023.when_create_child_use_parent_infomation/example.md b/examples/0023.when_create_child_use_parent_infomation/example.md
index 5b3b89f..b2f176a 100644
--- a/examples/0023.when_create_child_use_parent_infomation/example.md
+++ b/examples/0023.when_create_child_use_parent_infomation/example.md
@@ -40,7 +40,10 @@ $(function() {
     'issue_fixed_version_id'
   ];
 
-  const addLink = $('#issue_tree a[href*="/issues/new"]')[0]; 
+  const addLink = $('#issue_tree a[href*="/issues/new"]')[0];
+  if (!addLink) {
+    return;
+  }
 
   for (let i = 0; i < useFieldIds.length; i++) {
     const field = $('#' + useFieldIds[i]);