diff --git a/app/Service/Admin/Depot/DepotService.php b/app/Service/Admin/Depot/DepotService.php
index 0a9c694..19f75cd 100644
--- a/app/Service/Admin/Depot/DepotService.php
+++ b/app/Service/Admin/Depot/DepotService.php
@@ -195,6 +195,7 @@ class DepotService extends BaseService{
         else{
             //库存增加
             $materialStock->current_stock = $materialStock->current_stock + $number;
+            $materialStock->unit_price = $purchase_price;
         }
 
         if (!$depotPurchase->save() || !$materialStock->save()) throw new ErrException('采购添加失败');
@@ -298,6 +299,7 @@ class DepotService extends BaseService{
             ->when($kitchenId,function ($query) use ($kitchenId) {
                 $query->where('depot_purchase.kitchen_id',$kitchenId);
             })
+            ->orderBy('depot_purchase.create_time','desc')
             ->paginate($limit,['depot_purchase.*','material.name as material_name','supplier.name as supplier_name','depot.name as depot_name'])
             ->toArray();
 
diff --git a/sync/http/admin/auth.http b/sync/http/admin/auth.http
index e77d788..521feec 100644
--- a/sync/http/admin/auth.http
+++ b/sync/http/admin/auth.http
@@ -387,15 +387,13 @@ POST {{host}}/admin/depot/depot_purchase
 Content-Type: application/x-www-form-urlencoded
 Authorization: Bearer {{admin_token}}
 
-depot_id=1&material_id=1&supplier_id=1&purchase_price=60&number=2&city_id=1&kitchen_id=1
+depot_id=1&material_id=1&supplier_id=1&purchase_price=60&number=5&city_id=1&kitchen_id=1
 
-### 采购数量修改
-POST {{host}}/admin/depot/depot_purchase_update
+### 采购退货
+POST {{host}}/admin/depot/depot_purchase_back?id=1
 Content-Type: application/x-www-form-urlencoded
 Authorization: Bearer {{admin_token}}
 
-id=1&number=9
-
 ### 排菜列表
 GET {{host}}/admin/dish/list?limit=10
 content-type: application/json