diff --git a/code/src/Modules/SettleAccount/src/SettleAccount.Application/Entities/Prices/PriceListAppService.cs b/code/src/Modules/SettleAccount/src/SettleAccount.Application/Entities/Prices/PriceListAppService.cs
index 4403ccc7..447d7d27 100644
--- a/code/src/Modules/SettleAccount/src/SettleAccount.Application/Entities/Prices/PriceListAppService.cs
+++ b/code/src/Modules/SettleAccount/src/SettleAccount.Application/Entities/Prices/PriceListAppService.cs
@@ -80,25 +80,25 @@ public class PriceListAppService : SettleAccountApplicationBase<PriceList>
         result = result.FindAll(p => filter.Contains(p.Plant)).ToList();
         result.FindAll(t => !string.IsNullOrEmpty(t.ES1) || !string.IsNullOrEmpty(t.ES2)).ForEach(t => t.PartNo = t.PartNo + new string(' ', 6) + t.ES1 + t.ES2);
         var newPrice = ObjectMapper.Map<List<PriceListImportDto>, List<PriceList>>(result);
-        newPrice = newPrice.GroupBy(p => new { p.LU, p.ClientCode, p.BeginTime, p.EndTime }).Select(p => p.FirstOrDefault()).ToList();
+        newPrice = newPrice.GroupBy(p => new { p.Date, p.ClientCode, p.LU, p.BeginTime, p.EndTime }).Select(p => p.FirstOrDefault()).ToList();
 
         #region 校验
         if (newPrice.Any())
         {
             var query = from item1 in newPrice
                         join item2 in newPrice
-                        on new { item1.LU, item1.ClientCode } equals new { item2.LU, item2.ClientCode }
+                        on new { item1.Date, item1.ClientCode, item1.LU } equals new { item2.Date, item2.ClientCode, item2.LU }
                         where (item1.BeginTime > item2.BeginTime && item1.EndTime < item2.EndTime) || (item2.BeginTime > item1.BeginTime && item2.EndTime < item1.EndTime) || (item1.BeginTime == item2.BeginTime && item1.EndTime != item2.EndTime) || (item1.BeginTime != item2.BeginTime && item1.EndTime == item2.EndTime)
-                        select item1.LU;
+                        select item1;
             var repeat = query.Distinct().ToList();
             foreach (var item in repeat)
             {
-                checkList.Add(new ErrorExportDto(string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, $"导入文件中物料号：{item}，时间区间存在交集", string.Empty));
+                checkList.Add(new ErrorExportDto(string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, $"导入文件中物料号：{item.LU}，合同签订时间：{item.Date}，时间区间存在交集", string.Empty));
             }
 
             foreach (var item in CheckPriceListContinuity(newPrice))
             {
-                checkList.Add(new ErrorExportDto(string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, $"导入文件中物料号：{item.LU}，时间区间【{item.BeginTime}至{item.EndTime}】不连续", string.Empty));
+                checkList.Add(new ErrorExportDto(string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, $"导入文件中物料号：{item.LU}，合同签订时间：{item.Date}，时间区间【{item.BeginTime}至{item.EndTime}】不连续", string.Empty));
             }
         }
         if (checkList.Count > 0)
@@ -108,22 +108,30 @@ public class PriceListAppService : SettleAccountApplicationBase<PriceList>
         }
         #endregion
 
+        newPrice.ForEach(t => t.IsCancel = true);
+        newPrice.GroupBy(t => new { t.ClientCode, t.LU })
+            .SelectMany(t =>
+            {
+                var data = t.OrderByDescending(t => t.Date).First().Date;
+                return t.Where(t => t.Date == data);
+            })
+            .ForEach(t => t.IsCancel = false);
+
         var importLus = newPrice.Select(t => t.LU).Distinct().ToList();
         var oldPrices = _settleAccountDbContext.Set<PriceList>()
             .Where(t => t.IsCancel == false)
             .Where(t => importLus.Contains(t.LU))
             .ToList();
         //系统中合同日期比导入文件中的合同日期晚
-        var oldPriceNewDate = from oldprice in oldPrices
-                              from newprice in newPrice
-                              where oldprice.LU == newprice.LU && oldprice.Date > newprice.Date
-                              select oldprice;
+        var oldPriceNewDate = from oldPriceItem in oldPrices
+                              from newPriceItem in newPrice.FindAll(t => t.IsCancel == false)
+                              where oldPriceItem.ClientCode == newPriceItem.ClientCode && oldPriceItem.LU == newPriceItem.LU && oldPriceItem.Date > newPriceItem.Date
+                              select new { oldPriceItem, newPriceItem };
         oldPrices.ForEach(t => t.IsCancel = true);
         if (oldPriceNewDate.Any())
         {
-            oldPrices.FindAll(t => oldPriceNewDate.Contains(t)).ForEach(t => t.IsCancel = false);
-            var importCancelLus = oldPrices.Select(t => t.LU).Distinct();
-            newPrice.FindAll(t => importCancelLus.Contains(t.LU)).ForEach(t => t.IsCancel = true);
+            oldPrices.FindAll(t => t.IsCancel == true && oldPriceNewDate.Select(t => t.oldPriceItem).Contains(t)).ForEach(t => t.IsCancel = false);
+            newPrice.FindAll(t => t.IsCancel == false && oldPriceNewDate.Select(t => t.newPriceItem).Contains(t)).ForEach(t => t.IsCancel = true);
         }
         foreach (var item in newPrice)
         {
@@ -155,22 +163,27 @@ public class PriceListAppService : SettleAccountApplicationBase<PriceList>
             return priceList; // 只有一个或零个价格条目
         }
 
-        var clientCodeGroup = priceList.GroupBy(t => t.ClientCode);
-        foreach (var item in clientCodeGroup)
+        var dateGroups = priceList.GroupBy(t => t.Date);
+        foreach (var dateGroup in dateGroups)
         {
-            if (item.ToList().Count <= 1)
-            {
-                continue;
-            }
-            var sortedList = item.OrderBy(t => t.LU).ThenBy(t => t.BeginTime).ToList();
-            for (var i = 1; i < sortedList.Count; i++)
+            var clientCodeGroups = dateGroup.GroupBy(t => t.ClientCode);
+            foreach (var clientCodeGroup in clientCodeGroups)
             {
-                if (sortedList[i].LU == sortedList[i - 1].LU && sortedList[i].BeginTime != sortedList[i - 1].EndTime.AddDays(1))
+                if (clientCodeGroup.ToList().Count <= 1)
                 {
-                    result.Add(sortedList[i]);
+                    continue;
+                }
+                var sortedList = clientCodeGroup.OrderBy(t => t.LU).ThenBy(t => t.BeginTime).ToList();
+                for (var i = 1; i < sortedList.Count; i++)
+                {
+                    if (sortedList[i].LU == sortedList[i - 1].LU && sortedList[i].BeginTime != sortedList[i - 1].EndTime.AddDays(1))
+                    {
+                        result.Add(sortedList[i]);
+                    }
                 }
             }
         }
+
         return result; // 所有价格时间都连续
     }
 
diff --git a/code/src/Modules/SettleAccount/src/SettleAccount.Application/Entities/Prices/PriceListAppServiceBJ.cs b/code/src/Modules/SettleAccount/src/SettleAccount.Application/Entities/Prices/PriceListAppServiceBJ.cs
index f78edce6..aed28b00 100644
--- a/code/src/Modules/SettleAccount/src/SettleAccount.Application/Entities/Prices/PriceListAppServiceBJ.cs
+++ b/code/src/Modules/SettleAccount/src/SettleAccount.Application/Entities/Prices/PriceListAppServiceBJ.cs
@@ -63,25 +63,25 @@ public class PriceListAppServiceBJ : SettleAccountApplicationBase<PriceListBJ>
         result = result.Where(p => filter.Contains(p.Plant)).ToList();
         result.FindAll(t => !string.IsNullOrEmpty(t.ES1) || !string.IsNullOrEmpty(t.ES2)).ForEach(t => t.PartNo = t.PartNo + new string(' ', 6) + t.ES1 + t.ES2);
         var newPrice = ObjectMapper.Map<List<PriceListBJImportDto>, List<PriceListBJ>>(result);
-        newPrice = newPrice.GroupBy(p => new { p.LU, p.BeginDate, p.EndDate }).Select(p => p.FirstOrDefault()).ToList();
+        newPrice = newPrice.GroupBy(p => new { p.Date, p.ClientCode, p.LU, p.BeginDate, p.EndDate }).Select(p => p.FirstOrDefault()).ToList();
 
         #region 校验
         if (newPrice.Any())
         {
             var query = from item1 in newPrice
                         join item2 in newPrice
-                        on item1.LU equals item2.LU
+                        on new { item1.Date, item1.ClientCode, item1.LU } equals new { item2.Date, item2.ClientCode, item2.LU }
                         where (item1.BeginDate > item2.BeginDate && item1.EndDate < item2.EndDate) || (item2.BeginDate > item1.BeginDate && item2.EndDate < item1.EndDate) || (item1.BeginDate == item2.BeginDate && item1.EndDate != item2.EndDate) || (item1.BeginDate != item2.BeginDate && item1.EndDate == item2.EndDate)
-                        select item1.LU;
+                        select item1;
             var repeat = query.Distinct().ToList();
             foreach (var item in repeat)
             {
-                checkList.Add(new ErrorExportDto(string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, $"导入文件中物料号：{item}，时间区间存在交集", string.Empty));
+                checkList.Add(new ErrorExportDto(string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, $"导入文件中物料号：{item.LU}，合同签订时间：{item.Date}，时间区间存在交集", string.Empty));
             }
 
             foreach (var item in CheckPriceListContinuity(newPrice))
             {
-                checkList.Add(new ErrorExportDto(string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, $"导入文件中物料号：{item.LU}，时间区间【{item.BeginDate}至{item.EndDate}】不连续", string.Empty));
+                checkList.Add(new ErrorExportDto(string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, $"导入文件中物料号：{item.LU}，合同签订时间：{item.Date}，时间区间【{item.BeginDate}至{item.EndDate}】不连续", string.Empty));
             }
         }
         if (checkList.Count > 0)
@@ -91,22 +91,30 @@ public class PriceListAppServiceBJ : SettleAccountApplicationBase<PriceListBJ>
         }
         #endregion
 
+        newPrice.ForEach(t => t.IsCancel = true);
+        newPrice.GroupBy(t => new { t.ClientCode, t.LU })
+            .SelectMany(t =>
+            {
+                var data = t.OrderByDescending(t => t.Date).First().Date;
+                return t.Where(t => t.Date == data);
+            })
+            .ForEach(t => t.IsCancel = false);
+
         var importLus = newPrice.Select(t => t.LU).Distinct().ToList();
         var oldPrices = _settleAccountDbContext.Set<PriceListBJ>()
             .Where(t => t.IsCancel == false)
             .Where(t => importLus.Contains(t.LU))
             .ToList();
         //系统中合同日期比导入文件中的合同日期晚
-        var oldPriceNewDate = from oldprice in oldPrices
-                              from newprice in newPrice
-                              where oldprice.LU == newprice.LU && oldprice.Date > newprice.Date
-                              select oldprice;
+        var oldPriceNewDate = from oldPriceItem in oldPrices
+                              from newPriceItem in newPrice.FindAll(t => t.IsCancel == false)
+                              where oldPriceItem.ClientCode == newPriceItem.ClientCode && oldPriceItem.LU == newPriceItem.LU && oldPriceItem.Date > newPriceItem.Date
+                              select new { oldPriceItem, newPriceItem };
         oldPrices.ForEach(t => t.IsCancel = true);
         if (oldPriceNewDate.Any())
         {
-            oldPrices.FindAll(t => oldPriceNewDate.Contains(t)).ForEach(t => t.IsCancel = false);
-            var importCancelLus = oldPrices.Select(t => t.LU).Distinct();
-            newPrice.FindAll(t => importCancelLus.Contains(t.LU)).ForEach(t => t.IsCancel = true);
+            oldPrices.FindAll(t => t.IsCancel == true && oldPriceNewDate.Select(t => t.oldPriceItem).Contains(t)).ForEach(t => t.IsCancel = false);
+            newPrice.FindAll(t => t.IsCancel == false && oldPriceNewDate.Select(t => t.newPriceItem).Contains(t)).ForEach(t => t.IsCancel = true);
         }
         foreach (var item in newPrice)
         {
@@ -139,24 +147,28 @@ public class PriceListAppServiceBJ : SettleAccountApplicationBase<PriceListBJ>
             return priceList; // 只有一个或零个价格条目
         }
 
-        var clientCodeGroup = priceList.GroupBy(t => t.ClientCode);
-        foreach (var item in clientCodeGroup)
+        var dateGroups = priceList.GroupBy(t => t.Date);
+        foreach (var dateGroup in dateGroups)
         {
-            if (item.ToList().Count <= 1)
-            {
-                continue;
-            }
-            var sortedList = item.OrderBy(t => t.LU).ThenBy(t => t.BeginDate).ToList();
-            for (var i = 1; i < sortedList.Count; i++)
+            var clientCodeGroups = dateGroup.GroupBy(t => t.ClientCode);
+            foreach (var clientCodeGroup in clientCodeGroups)
             {
-                if (sortedList[i].LU == sortedList[i - 1].LU && sortedList[i].BeginDate != sortedList[i - 1].EndDate.AddDays(1))
+                if (clientCodeGroup.ToList().Count <= 1)
+                {
+                    continue;
+                }
+                var sortedList = clientCodeGroup.OrderBy(t => t.LU).ThenBy(t => t.BeginDate).ToList();
+                for (var i = 1; i < sortedList.Count; i++)
                 {
-                    result.Add(sortedList[i]);
+                    if (sortedList[i].LU == sortedList[i - 1].LU && sortedList[i].BeginDate != sortedList[i - 1].EndDate.AddDays(1))
+                    {
+                        result.Add(sortedList[i]);
+                    }
                 }
             }
         }
 
-        return result;
+        return result; // 所有价格时间都连续
     }
 
     /// <summary>
diff --git a/code/src/Modules/SettleAccount/src/SettleAccount.Application/ImportExcelCommon/ExportImporter.cs b/code/src/Modules/SettleAccount/src/SettleAccount.Application/ImportExcelCommon/ExportImporter.cs
index 7dd05aa9..2218e76d 100644
--- a/code/src/Modules/SettleAccount/src/SettleAccount.Application/ImportExcelCommon/ExportImporter.cs
+++ b/code/src/Modules/SettleAccount/src/SettleAccount.Application/ImportExcelCommon/ExportImporter.cs
@@ -52,6 +52,10 @@ namespace Win.Sfs.SettleAccount.ExcelImporter
         public virtual async Task<List<T>> UploadExcelImport<T>([FromForm] IFormFileCollection files, IExcelImportAppService _excelImportService)
     where T : class, new()
         {
+            if (files.Count > 1)
+            {
+                throw new UserFriendlyException("只能上传一个附件！", "400");
+            }
             using var fs = ServiceProvider.CreateScope();
             var fc = fs.ServiceProvider.GetRequiredService<IBlobContainer<MyFileContainer>>();
             Type type = typeof(T).GetType();