更新

app/common/repositories/system/merchant/MerchantRepository.php

@@ -107,6 +107,7 @@ class MerchantRepository extends BaseRepository
                 'merchantCategory',
                 'merchantType'
             ])
+            ->order('mer_id','desc')
             ->field('sort, mer_id, mer_name, real_name, mer_phone, mer_address, mark, status, create_time,is_best,is_trader,type_id,category_id,copy_product_num,export_dump_num,is_margin,margin,mer_avatar')->select();
         return compact('count', 'list');
     }