Room model里去掉app类型校验字段

@@ -40,7 +40,7 @@ class Room extends \yii\db\ActiveRecord
         return [
             [['room_id', 'master_id', 'starting_time', 'best', 'vest', 'living', 'status', 'create_time', 'update_time'], 'integer'],
             [['title', 'watermark'], 'string', 'max' => 100],
-            [['app', 'secret'], 'string', 'max' => 50],
+            [['secret'], 'string', 'max' => 50],
             [['pic'], 'string', 'max' => 255],
             [['room_id'], 'unique'],
             [['secret'], 'unique'],