fix(admin): 修复后台预订单商品价格逻辑

- 增加用户非会员价格判断，避免非会员显示会员价格
- 优化价格查询逻辑，提高代码可读性和性能

app/admin/logic/beforehand_order/BeforehandOrderLogic.php

@@ -371,6 +371,7 @@ class BeforehandOrderLogic extends BaseLogic
         if ($count > 0) {
             throw new BusinessException('订单中有数量为0的商品，请先处理');
         }
+        $user_ship=0;
         if($order['uid']>0){
             $user_ship=User::where('id', $order['uid'])->value('user_ship')??0;
         }
@@ -390,7 +391,11 @@ class BeforehandOrderLogic extends BaseLogic
             $arr['delivery_time'] = strtotime($delivery_time);
             $res = WarehouseOrder::create($arr);
             foreach ($info as $key => $arr) {
-                $price=StoreProductGroupPrice::where('product_id',$arr['product_id'])->where('group_id',$user_ship)->value('price')??0;
+                if($user_ship==0){
+                    $price=0;
+                }else{
+                    $price=StoreProductGroupPrice::where('product_id',$arr['product_id'])->where('group_id',$user_ship)->value('price')??0;
+                }
                 $data = [
                     'warehouse_id' => $warehouse_id,
                     'product_id' => $arr['product_id'],