接口优化

@@ -261,7 +261,7 @@ class Bind extends Api
         $data['item'] = \db('study_score_log')
         $data['item'] = \db('study_score_log')
             ->distinct('item_id')
             ->distinct('item_id')
             ->field('item_id,SUM(score) as sum_score')
             ->field('item_id,SUM(score) as sum_score')
-            ->order('sum_score')
+            ->order('sum_score','desc')
             ->group('item_id')
             ->group('item_id')
             ->where(['campus_id' => $cid, 'study_id' => $sid])
             ->where(['campus_id' => $cid, 'study_id' => $sid])
             ->paginate(3)
             ->paginate(3)