edit

push/lib/Data.php

@@ -80,6 +80,10 @@ class Data
                         $info['num_ding'] = $data['num_ding'] + $data['num_add_ding'];
                     }
 
+                    if (isset($data['buy'])) {
+                        $info['buy'] = $data['buy'];
+                    }
+
                     if (isset($data['pdate']) && $data['pdate']) {
                         $info['cdate'] = $data['pdate'];
                     }