diff --git a/hwe/sammo/ActionItem/che_보물_도기.php b/hwe/sammo/ActionItem/che_보물_도기.php
index 0d16b3d3..68a7df56 100644
--- a/hwe/sammo/ActionItem/che_보물_도기.php
+++ b/hwe/sammo/ActionItem/che_보물_도기.php
@@ -44,7 +44,7 @@ class che_보물_도기 extends \sammo\BaseItem
             ['쌀', 'rice']
         ]);
 
-        $nationId = $general['nation'];
+        $nationId = $general->getVar('nation');
 
         if ($nationId != 0) {
           $db->update('nation', [