From b2e649af13724a7ac0efbbcd5633d6cdce265dc3 Mon Sep 17 00:00:00 2001
From: wangzemei <wangzemei@easycorp.ltd>
Date: Fri, 23 Aug 2024 17:07:16 +0800
Subject: [PATCH] * [task#126396] fix warning of canAddRows.

---
 lib/zin/wg/thinkmulticolumn/v1.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/zin/wg/thinkmulticolumn/v1.php b/lib/zin/wg/thinkmulticolumn/v1.php
index af4975d1e3..ba3ddcfd96 100644
--- a/lib/zin/wg/thinkmulticolumn/v1.php
+++ b/lib/zin/wg/thinkmulticolumn/v1.php
@@ -33,7 +33,7 @@ class thinkMulticolumn extends thinkQuestion
             $fields       = $step->options->fields;
             $requiredCols = $required && isset($step->options->requiredCols) ? $step->options->requiredCols : '';
             $supportAdd   = $step->options->supportAdd;
-            $canAddRows   = $supportAdd ? $step->options->canAddRows: '';
+            $canAddRows   = $supportAdd && isset($step->options->canAddRows) ? $step->options->canAddRows: '';
             foreach($fields as $key => $field) $requiredOptions[] = array('value' => $key + 1, 'text' => $field);
         }