diff --git a/src/Oms.Application/Dtos/Orders/PickupOrderDtos.cs b/src/Oms.Application/Dtos/Orders/PickupOrderDtos.cs
index d9fd2fd..3633ccd 100644
--- a/src/Oms.Application/Dtos/Orders/PickupOrderDtos.cs
+++ b/src/Oms.Application/Dtos/Orders/PickupOrderDtos.cs
@@ -176,6 +176,44 @@ public class PickupOrderRescheduleInput
     public DateTime ExpectPickupTime { get; set; }
 }
 
+/// <summary>
+/// 修改揽收信息（未支付且 draft/scheduled）。
+/// </summary>
+public class PickupOrderUpdateInfoInput
+{
+    [Required]
+    public int Id { get; set; }
+
+    public int? WarehouseId { get; set; }
+
+    public int? SenderAddressId { get; set; }
+
+    public DateTime? ExpectPickupTime { get; set; }
+
+    public string? CarrierService { get; set; }
+
+    public string? CarrierWaybillNo { get; set; }
+
+    [StringLength(512)]
+    public string? Remark { get; set; }
+}
+
+/// <summary>
+/// 修改件重尺（未支付；不改费用，需另行重算）。
+/// </summary>
+public class PickupOrderUpdateMeasureInput
+{
+    [Required]
+    public int Id { get; set; }
+
+    [Required]
+    public decimal TotalActualWeight { get; set; }
+
+    [Required]
+    [MinLength(1)]
+    public List<PickupPackageSizeOutput> PackageSizes { get; set; } = [];
+}
+
 public class PickupOrderRejectItem
 {
     public int OrderId { get; set; }
diff --git a/src/Oms.Application/Services/Orders/PickupOrderFeePushService.cs b/src/Oms.Application/Services/Orders/PickupOrderFeePushService.cs
index 19eef43..fa7489d 100644
--- a/src/Oms.Application/Services/Orders/PickupOrderFeePushService.cs
+++ b/src/Oms.Application/Services/Orders/PickupOrderFeePushService.cs
@@ -74,15 +74,66 @@ public class PickupOrderFeePushService : IScopedDependency
         var pickup = await _pickupOrderRepository.GetByCarrierWaybillNoAsync(carrierWaybillNo)
             ?? throw new BusinessException($"揽收单不存在：承运运单号 {carrierWaybillNo}");
 
-        if (pickup.PayStatus == PickupPayStatusCodes.Paid)
+        EnsureCanReceiveMeasure(pickup);
+
+        return await ApplyMeasureAndBillAsync(
+            pickup,
+            input.TotalActualWeight,
+            sizes,
+            input.CarrierFreightWeight,
+            input.CarrierQuotedFreightAmount,
+            input.CarrierQuotedReceivableAmount,
+            input.ValueInfoList);
+    }
+
+    /// <summary>
+    /// 按已保存（或入参）件重尺，用当前承运服务卖价/买价重算出账。
+    /// </summary>
+    public async Task<PickupOpenApiPushFeeResult> RecalcByPickupAsync(
+        PickupOrder pickup,
+        decimal? totalActualWeightOverride = null,
+        IReadOnlyList<PickupPackageSizeOutput>? sizesOverride = null)
+    {
+        EnsureCanReceiveMeasure(pickup);
+
+        var weight = totalActualWeightOverride ?? pickup.TotalActualWeight ?? 0;
+        if (weight <= 0)
         {
-            throw new BusinessException("揽收单已支付，拒绝修改件重尺与费用");
+            throw new BusinessException("请先填写实重后再重算费用");
         }
 
-        if (PickupOrderStatusCodes.IsTerminal(pickup.Status)
-            && pickup.Status != PickupOrderStatusCodes.Inbound)
+        var sizes = sizesOverride != null && sizesOverride.Count > 0
+            ? NormalizeSizes(sizesOverride.ToList())
+            : NormalizeSizes(
+                OmsDocHelper.DeserializeJson<List<PickupPackageSizeOutput>>(pickup.PackageSizesJson));
+        if (sizes.Count == 0)
         {
-            throw new BusinessException("当前揽收单状态不可接收件重尺");
+            throw new BusinessException("请先填写件重尺尺寸后再重算费用");
+        }
+
+        return await ApplyMeasureAndBillAsync(pickup, weight, sizes);
+    }
+
+    public async Task<PickupOpenApiPushFeeResult> ApplyMeasureAndBillAsync(
+        PickupOrder pickup,
+        decimal totalActualWeight,
+        IReadOnlyList<PickupPackageSizeOutput> sizes,
+        decimal? carrierFreightWeight = null,
+        decimal? carrierQuotedFreightAmount = null,
+        decimal? carrierQuotedReceivableAmount = null,
+        List<PickupCarrierValueFeeOutput>? valueInfoList = null)
+    {
+        if (totalActualWeight <= 0)
+        {
+            throw new BusinessException("totalActualWeight 必须大于 0");
+        }
+
+        var normalizedSizes = sizes is List<PickupPackageSizeOutput> list
+            ? NormalizeSizes(list)
+            : NormalizeSizes(sizes.ToList());
+        if (normalizedSizes.Count == 0)
+        {
+            throw new BusinessException("packageSizes 不能为空");
         }
 
         if (string.IsNullOrWhiteSpace(pickup.CarrierService))
@@ -93,14 +144,14 @@ public class PickupOrderFeePushService : IScopedDependency
         var product = await _salesProductRepository.GetByProductCodeAsync(pickup.CarrierService.Trim())
             ?? throw new BusinessException($"未找到承运服务对应销售产品「{pickup.CarrierService}」");
 
-        var totalVolume = sizes.Sum(x => x.Length * x.Width * x.Height * x.Count);
+        var totalVolume = normalizedSizes.Sum(x => x.Length * x.Width * x.Height * x.Count);
         var weightRow = new OrderWeight
         {
             Type = OrderWeightTypeCodes.Receive,
             Length = totalVolume,
             Width = 1,
             Height = 1,
-            ActualWeight = input.TotalActualWeight,
+            ActualWeight = totalActualWeight,
             Cubic = ParcelBillingCalculator.CalculateCubic(totalVolume, 1, 1)
         };
 
@@ -187,17 +238,33 @@ public class PickupOrderFeePushService : IScopedDependency
         var freight = receivableFees.FirstOrDefault()?.Amount ?? receivableTotal;
         var other = Math.Max(0, receivableTotal - freight);
 
-        pickup.TotalActualWeight = input.TotalActualWeight;
+        pickup.TotalActualWeight = totalActualWeight;
         pickup.VolumetricWeight = volumetricWeight;
         pickup.ChargeableWeight = chargeableWeight;
-        pickup.PackageSizesJson = OmsDocHelper.SerializeJson(sizes);
-        pickup.CarrierFreightWeight = input.CarrierFreightWeight;
-        pickup.CarrierQuotedFreightAmount = input.CarrierQuotedFreightAmount;
-        pickup.CarrierQuotedReceivableAmount = input.CarrierQuotedReceivableAmount;
-        pickup.CarrierQuoteJson = OmsDocHelper.SerializeJson(new PickupCarrierQuoteOutput
+        pickup.PackageSizesJson = OmsDocHelper.SerializeJson(normalizedSizes);
+        if (carrierFreightWeight.HasValue)
         {
-            ValueInfoList = input.ValueInfoList ?? []
-        });
+            pickup.CarrierFreightWeight = carrierFreightWeight;
+        }
+
+        if (carrierQuotedFreightAmount.HasValue)
+        {
+            pickup.CarrierQuotedFreightAmount = carrierQuotedFreightAmount;
+        }
+
+        if (carrierQuotedReceivableAmount.HasValue)
+        {
+            pickup.CarrierQuotedReceivableAmount = carrierQuotedReceivableAmount;
+        }
+
+        if (valueInfoList != null)
+        {
+            pickup.CarrierQuoteJson = OmsDocHelper.SerializeJson(new PickupCarrierQuoteOutput
+            {
+                ValueInfoList = valueInfoList
+            });
+        }
+
         pickup.ReceivableFeeJson = OmsDocHelper.SerializeJson(receivableFees);
         pickup.PayableFeeJson = OmsDocHelper.SerializeJson(payableFees);
         pickup.FreightAmount = freight;
@@ -211,15 +278,29 @@ public class PickupOrderFeePushService : IScopedDependency
         return new PickupOpenApiPushFeeResult
         {
             PickupNo = pickup.PickupNo,
-            TotalActualWeight = input.TotalActualWeight,
+            TotalActualWeight = totalActualWeight,
             ChargeableWeight = chargeableWeight,
             VolumetricWeight = volumetricWeight,
             ReceivableAmount = receivableTotal,
             CarrierPayableAmount = payableTotal,
-            CarrierQuotedFreightAmount = input.CarrierQuotedFreightAmount
+            CarrierQuotedFreightAmount = pickup.CarrierQuotedFreightAmount
         };
     }
 
+    private static void EnsureCanReceiveMeasure(PickupOrder pickup)
+    {
+        if (pickup.PayStatus == PickupPayStatusCodes.Paid)
+        {
+            throw new BusinessException("揽收单已支付，拒绝修改件重尺与费用");
+        }
+
+        if (PickupOrderStatusCodes.IsTerminal(pickup.Status)
+            && pickup.Status != PickupOrderStatusCodes.Inbound)
+        {
+            throw new BusinessException("当前揽收单状态不可接收件重尺");
+        }
+    }
+
     private async Task<(decimal VolumetricWeight, decimal ChargeableWeight)> CalculateChargeableAsync(
         SalesProduct product,
         OrderWeight weight)
diff --git a/src/Oms.Application/Services/Orders/PickupOrderService.cs b/src/Oms.Application/Services/Orders/PickupOrderService.cs
index 4ee5162..b6e5d8a 100644
--- a/src/Oms.Application/Services/Orders/PickupOrderService.cs
+++ b/src/Oms.Application/Services/Orders/PickupOrderService.cs
@@ -69,6 +69,9 @@ public class PickupOrderService : ApplicationService
     private IPickupBigBagTrackSyncer PickupBigBagTrackSyncer =>
         LazyServiceProvider.GetRequiredService<IPickupBigBagTrackSyncer>();
 
+    private PickupOrderFeePushService PickupOrderFeePushService =>
+        LazyServiceProvider.GetRequiredService<PickupOrderFeePushService>();
+
     /// <summary>
     /// 创建揽收单并挂载物流单（原子：全部校验通过才落库）。
     /// </summary>
@@ -274,6 +277,19 @@ public class PickupOrderService : ApplicationService
             await OrderRepository.UpdateAsync(order);
         }
 
+        // 已选承运服务时：创建后自动预报下游拿承运运单号（失败不影响建单）
+        if (!string.IsNullOrWhiteSpace(entity.CarrierService))
+        {
+            try
+            {
+                await DownstreamForwardCoreAsync(entity);
+            }
+            catch
+            {
+                // 建单已成功，预报失败由列表「预报下游」重试
+            }
+        }
+
         return await MapOutputAsync(entity, includeOrders: true);
     }
 
@@ -551,6 +567,213 @@ public class PickupOrderService : ApplicationService
         return await MapOutputAsync(pickup, includeOrders: true);
     }
 
+    /// <summary>
+    /// 修改揽收信息（未支付且 draft/scheduled）。
+    /// </summary>
+    [HttpPost("/order/pickup-order/update-info")]
+    public async Task<PickupOrderOutput> UpdateInfoAsync([FromBody] PickupOrderUpdateInfoInput input)
+    {
+        var pickup = await GetOwnedPickupOrThrowAsync(input.Id);
+        EnsureUnpaidEditable(pickup);
+        if (!PickupOrderStatusCodes.IsMutableBinding(pickup.Status))
+        {
+            throw new BusinessException("当前状态不可修改揽收信息");
+        }
+
+        var warehouseChanged = false;
+        var expectTimeChanged = false;
+        var senderChanged = false;
+
+        if (input.WarehouseId is > 0 && input.WarehouseId.Value != pickup.WarehouseId)
+        {
+            var warehouse = await WarehouseAddressRepository.FirstOrDefaultAsync(x => x.Id == input.WarehouseId.Value);
+            if (warehouse == null)
+            {
+                throw new BusinessException("仓库不存在");
+            }
+
+            pickup.WarehouseId = input.WarehouseId.Value;
+            warehouseChanged = true;
+        }
+
+        if (input.SenderAddressId is > 0 && input.SenderAddressId.Value != pickup.SenderAddressId)
+        {
+            var senderAddress = await CustomerSenderAddressRepository.GetOwnedAsync(
+                input.SenderAddressId.Value,
+                pickup.CustomerId);
+            if (senderAddress == null)
+            {
+                throw new BusinessException("揽收地址不存在");
+            }
+
+            var addressType = string.IsNullOrWhiteSpace(senderAddress.AddressType)
+                ? CustomerAddressTypeCodes.Sender
+                : senderAddress.AddressType;
+            if (!CustomerAddressTypeCodes.IsPickupEligible(addressType))
+            {
+                throw new BusinessException("揽收单请选择「国内揽收」类型地址");
+            }
+
+            string? senderCountryCode = null;
+            if (senderAddress.Country.HasValue)
+            {
+                var country = await CountryRepository.FirstOrDefaultAsync(x => x.Id == senderAddress.Country.Value);
+                senderCountryCode = country?.CountryCode;
+            }
+
+            pickup.SenderAddressId = senderAddress.Id;
+            pickup.SenderName = senderAddress.SenderName ?? string.Empty;
+            pickup.SenderCompany = senderAddress.Company;
+            pickup.SenderCountry = senderAddress.Country;
+            pickup.SenderCountryCode = senderCountryCode;
+            pickup.SenderProvince = senderAddress.Province;
+            pickup.SenderCity = senderAddress.City;
+            pickup.SenderZipCode = senderAddress.ZipCode;
+            pickup.SenderStreetAddress1 = senderAddress.StreetAddress1 ?? string.Empty;
+            pickup.SenderStreetAddress2 = senderAddress.StreetAddress2;
+            pickup.SenderStreetAddress3 = senderAddress.StreetAddress3;
+            pickup.SenderHouseNumber = senderAddress.HouseNumber;
+            pickup.SenderPhone = senderAddress.Phone;
+            pickup.SenderTelePhone = senderAddress.TelePhone;
+            pickup.SenderEmail = senderAddress.Email;
+            senderChanged = true;
+        }
+
+        if (input.ExpectPickupTime.HasValue && input.ExpectPickupTime.Value != default)
+        {
+            pickup.ExpectPickupTime = input.ExpectPickupTime.Value;
+            expectTimeChanged = true;
+        }
+
+        if (input.CarrierService != null)
+        {
+            var carrierService = NormalizeOptional(input.CarrierService);
+            if (carrierService == null)
+            {
+                throw new BusinessException("承运服务不能为空");
+            }
+
+            pickup.CarrierService = carrierService;
+        }
+
+        if (input.CarrierWaybillNo != null)
+        {
+            pickup.CarrierWaybillNo = NormalizeOptional(input.CarrierWaybillNo);
+        }
+
+        if (input.Remark != null)
+        {
+            pickup.Remark = NormalizeOptional(input.Remark);
+        }
+
+        // 写入承运运单号后 draft → scheduled（已预约）
+        if (!string.IsNullOrWhiteSpace(pickup.CarrierWaybillNo)
+            && pickup.Status == PickupOrderStatusCodes.Draft)
+        {
+            pickup.Status = PickupOrderStatusCodes.Scheduled;
+        }
+
+        await PickupOrderRepository.UpdateAsync(pickup);
+
+        if (warehouseChanged || expectTimeChanged || senderChanged)
+        {
+            var lines = await PickupOrderLineRepository.GetByPickupOrderIdAsync(pickup.Id);
+            foreach (var line in lines)
+            {
+                var order = await OrderRepository.FirstOrDefaultAsync(x => x.Id == line.OrderId);
+                if (order == null)
+                {
+                    continue;
+                }
+
+                if (warehouseChanged)
+                {
+                    order.WarehouseId = pickup.WarehouseId;
+                }
+
+                if (expectTimeChanged)
+                {
+                    order.PickupTime = pickup.ExpectPickupTime;
+                }
+
+                if (senderChanged)
+                {
+                    order.CustomerSenderAddressId = pickup.SenderAddressId;
+                }
+
+                await OrderRepository.UpdateAsync(order);
+            }
+        }
+
+        return await MapOutputAsync(pickup, includeOrders: true);
+    }
+
+    /// <summary>
+    /// 修改件重尺（未支付；仅落库，不改费用）。
+    /// </summary>
+    [HttpPost("/order/pickup-order/update-measure")]
+    public async Task<PickupOrderOutput> UpdateMeasureAsync([FromBody] PickupOrderUpdateMeasureInput input)
+    {
+        var pickup = await GetOwnedPickupOrThrowAsync(input.Id);
+        EnsureUnpaidEditable(pickup);
+        if (PickupOrderStatusCodes.IsTerminal(pickup.Status)
+            && pickup.Status != PickupOrderStatusCodes.Inbound)
+        {
+            throw new BusinessException("当前状态不可修改件重尺");
+        }
+
+        if (input.TotalActualWeight <= 0)
+        {
+            throw new BusinessException("实重必须大于 0");
+        }
+
+        var sizes = (input.PackageSizes ?? [])
+            .Select(x => new PickupPackageSizeOutput
+            {
+                Length = x.Length,
+                Width = x.Width,
+                Height = x.Height,
+                Count = x.Count <= 0 ? 1 : x.Count
+            })
+            .Where(x => x.Length > 0 && x.Width > 0 && x.Height > 0)
+            .ToList();
+        if (sizes.Count == 0)
+        {
+            throw new BusinessException("请至少填写一条有效尺寸（长宽高）");
+        }
+
+        pickup.TotalActualWeight = input.TotalActualWeight;
+        pickup.PackageSizesJson = OmsDocHelper.SerializeJson(sizes);
+        pickup.UpdateTime = DateTime.Now;
+        await PickupOrderRepository.UpdateAsync(pickup);
+        return await MapOutputAsync(pickup, includeOrders: true);
+    }
+
+    /// <summary>
+    /// 按当前件重尺与承运服务重算费用。
+    /// </summary>
+    [HttpPost("/order/pickup-order/recalc-fee")]
+    public async Task<PickupOrderOutput> RecalcFeeAsync([FromBody] PickupOrderIdInput input)
+    {
+        var pickup = await GetOwnedPickupOrThrowAsync(input.Id);
+        EnsureUnpaidEditable(pickup);
+        await PickupOrderFeePushService.RecalcByPickupAsync(pickup);
+        return await MapOutputAsync(pickup, includeOrders: true);
+    }
+
+    private static void EnsureUnpaidEditable(PickupOrder pickup)
+    {
+        if (pickup.PayStatus == PickupPayStatusCodes.Paid)
+        {
+            throw new BusinessException("已支付不可修改");
+        }
+
+        if (pickup.Status is PickupOrderStatusCodes.Cancelled or PickupOrderStatusCodes.Failed)
+        {
+            throw new BusinessException("当前状态不可修改");
+        }
+    }
+
     /// <summary>
     /// 客户支付揽收运费（余额）。
     /// </summary>
@@ -930,6 +1153,14 @@ public class PickupOrderService : ApplicationService
     public async Task<OrderDownstreamForwardResult> DownstreamForwardAsync([FromBody] PickupOrderIdInput input)
     {
         var pickup = await GetOwnedPickupOrThrowAsync(input.Id);
+        return await DownstreamForwardCoreAsync(pickup);
+    }
+
+    /// <summary>
+    /// 预报下游核心：回写承运运单号，draft 升为 scheduled。
+    /// </summary>
+    private async Task<OrderDownstreamForwardResult> DownstreamForwardCoreAsync(PickupOrder pickup)
+    {
         if (string.IsNullOrWhiteSpace(pickup.CarrierService))
         {
             throw new BusinessException("请先选择承运服务后再预报下游");
@@ -974,6 +1205,14 @@ public class PickupOrderService : ApplicationService
                 changed = true;
             }
 
+            // 拿到承运运单号后 draft → scheduled（已预约）
+            if (!string.IsNullOrWhiteSpace(pickup.CarrierWaybillNo)
+                && pickup.Status == PickupOrderStatusCodes.Draft)
+            {
+                pickup.Status = PickupOrderStatusCodes.Scheduled;
+                changed = true;
+            }
+
             if (string.IsNullOrWhiteSpace(pickup.CarrierCode)
                 && !string.IsNullOrWhiteSpace(creds.SupplierCode))
             {