判断是否是复购单

app/adminapi/lists/works/ServiceWorkLists.php

@@ -89,7 +89,7 @@ class ServiceWorkLists extends BaseAdminDataLists implements ListsSearchInterfac
             $ids[] = $goodsCategoryId;
             $where[] = ['goods_category_id','in' ,$ids];
         }
-        if($this->params['work_pay_status'] == ''){
+        if(!isset($this->params['work_pay_status']) || (isset($this->params['work_pay_status']) && $this->params['work_pay_status'] == '')){
             $where[] = ['work_pay_status','>',0];
         }else{
             $where[] = ['work_pay_status','=',$this->params['work_pay_status']];