diff --git a/application/admin/controller/statistics/Item.php b/application/admin/controller/statistics/Item.php
index f6dd031..ec424fa 100644
--- a/application/admin/controller/statistics/Item.php
+++ b/application/admin/controller/statistics/Item.php
@@ -81,6 +81,8 @@ class Item extends Backend
                 'sum(material_cost) material_cost', // 收益
                 'sum(refund_amount) refund_amount', // 公司退款
                 'sum(worker_refund_amount) worker_refund_amount', // 工人退款
+                "IFNULL(AVG(CASE WHEN status > 10 THEN UNIX_TIMESTAMP(dispatch_time) - UNIX_TIMESTAMP(create_time) END), 0) AS avg_time_diff",       //派单时效
+
             ])->group('item_title')
             ->order('count_num', 'desc');
 //        dd($total);
@@ -100,7 +102,7 @@ class Item extends Backend
             $re['cash_value'] = $this->mydiv($re['performance'],$re['count_num'],2,false);
             $re['total_avg'] = $this->mydiv($re['total'],$re['count_num'],2,false);
             $re['performance_avg'] = $this->mydiv($re['performance'],$re['finish_num'],2,false);
-
+            $re['avg_time_diff'] = $this->mydiv($re['avg_time_diff'],3600,2,false);
             $re['cost_total'] = $cost_total;
 //            $re['id'] = $re['item_id'];
             $data [] = $re;