diff --git a/BBWY.Server.API/Controllers/TestController.cs b/BBWY.Server.API/Controllers/TestController.cs
index f7a33fea..6a5d2d0c 100644
--- a/BBWY.Server.API/Controllers/TestController.cs
+++ b/BBWY.Server.API/Controllers/TestController.cs
@@ -23,5 +23,11 @@ namespace BBWY.Server.API.Controllers
             testBusiness.StatisticsProduct();
 
         }
+
+        [HttpPost]
+        public void XiuFu()
+        {
+            testBusiness.XiuFu();
+        }
     }
 }
diff --git a/BBWY.Server.Business/Sync/OrderSyncBusiness.cs b/BBWY.Server.Business/Sync/OrderSyncBusiness.cs
index b055c426..ea28ca2c 100644
--- a/BBWY.Server.Business/Sync/OrderSyncBusiness.cs
+++ b/BBWY.Server.Business/Sync/OrderSyncBusiness.cs
@@ -442,6 +442,7 @@ namespace BBWY.Server.Business
                                 CouponPrice = orderCouponJToken.Value<decimal>("couponPrice")
                             });
                         }
+                        dbOrder.PreferentialAmount = preferentialAmount;
                     }
                 }
                 #endregion
diff --git a/BBWY.Server.Business/TestBusiness.cs b/BBWY.Server.Business/TestBusiness.cs
index 23a9a1b3..c4398cee 100644
--- a/BBWY.Server.Business/TestBusiness.cs
+++ b/BBWY.Server.Business/TestBusiness.cs
@@ -8,6 +8,7 @@ using Microsoft.Extensions.Options;
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 
 namespace BBWY.Server.Business
 {
@@ -86,6 +87,48 @@ namespace BBWY.Server.Business
             var filePath = Path.Combine(AppContext.BaseDirectory, "result.csv");
             File.WriteAllLines(filePath, list, System.Text.Encoding.UTF8);
         }
+
+        public void XiuFu()
+        {
+            var st = DateTime.Parse("2023-09-01");
+            var orderList = fsql.Select<OrderCoupon, Order>().InnerJoin((oc, o) => oc.OrderId == o.Id)
+                                .Where((oc, o) => o.OrderState != Enums.OrderState.已取消 && o.StartTime >= st && o.PreferentialAmount == 0)
+                                .GroupBy((oc, o) => oc.OrderId)
+                                .ToList(g => new Order
+                                {
+                                    Id = g.Key,
+                                    PreferentialAmount = g.Sum(g.Value.Item1.CouponPrice)
+                                });
+
+            List<IUpdate<Order>> updateOrderList = new List<IUpdate<Order>>();
+            var totalCount = orderList.Count();
+            for (var i = 0; i < totalCount; i++)
+            {
+                var order = orderList[i];
+                updateOrderList.Add(fsql.Update<Order>(order.Id).Set(o => o.PreferentialAmount, order.PreferentialAmount));
+                if (updateOrderList.Count() == 50)
+                {
+                    Console.WriteLine($"执行数据库更新 {i}/{totalCount}");
+                    fsql.Transaction(() =>
+                    {
+                        foreach (var update in updateOrderList)
+                            update.ExecuteAffrows();
+                    });
+                    updateOrderList.Clear();
+                }
+            }
+
+            if (updateOrderList.Count() > 0)
+            {
+                fsql.Transaction(() =>
+                {
+                    foreach (var update in updateOrderList)
+                        update.ExecuteAffrows();
+                });
+                updateOrderList.Clear();
+            }
+            Console.WriteLine("更新完毕");
+        }
     }
 
     public class JPCount