edit

app/mshop/lib/Buy.php

@@ -280,6 +280,7 @@ class Buy
             $info['ps_info']['cdate_day'] = date('Y-m-d', $info['ps_info']['cdate']);
             $info['ps_info']['cdate'] = date('Y-m-d H:i', $info['ps_info']['cdate']);
             
+            $info['ps_info']['ydate_day'] = '';
             if ($info['ps_info']['ydate']) {
                 $info['ps_info']['ydate_day'] = date('Y-m-d', $info['ps_info']['ydate']);
                 $info['ps_info']['ydate'] = date('Y-m-d H:i', $info['ps_info']['ydate']);