Merge branch 'zjl_export_20191209'

app/Model/OrderModel.php

@@ -452,8 +452,6 @@ class OrderModel extends Model
             } else {
                 $tmp[$i]['is_new_order'] = $order[$i]['is_new_order'] == 1 ? '是' : '否'; // 是否为新订单
             }            
-
-            unset($sales);     
         }
 
         return $tmp;