默认的

app/admin/controller/vote/Vote.php

@@ -86,6 +86,7 @@ class Vote extends AuthController
             ['end_time', ''],
             ['price', ''],
             ['status', ''],
+            ['day_free', ''],
         ]);
         $data['start_time'] = strtotime($data['start_time']);
         $data['end_time'] = strtotime($data['end_time']);