分类筛选问题

@@ -78,6 +78,7 @@ class ActivityModel extends Model
         if (!empty($type_id)){
             $where['a.activity_type'] = $type_id;
         }
+        dump($type_id);
         dump($where);
         $data = $this->alias('a')
             ->field('a.*,p.province_name,act.type_name')