edit

api/Page/Data.php

@@ -193,6 +193,9 @@ class Data extends Page
                         }
                         $value = implode(',', $value);
                         $v['type'] = 'in';
+                        if (isset($v['search']['key'])) {
+                            $v['key'] = $v['search']['key'];
+                        }
                     }
                 }
                 if ($v['type'] == 'group') {