diff --git a/src/Oms.Application/Dtos/Warehouse/WarehouseDtos.cs b/src/Oms.Application/Dtos/Warehouse/WarehouseDtos.cs
index 5aa9e78..5b0e84f 100644
--- a/src/Oms.Application/Dtos/Warehouse/WarehouseDtos.cs
+++ b/src/Oms.Application/Dtos/Warehouse/WarehouseDtos.cs
@@ -24,6 +24,10 @@ public class WarehouseSkuOutput
 
     public int CustomerId { get; set; }
 
+    public string? CustomerName { get; set; }
+
+    public string? CustomerCode { get; set; }
+
     public string SkuCode { get; set; } = string.Empty;
 
     public string SkuName { get; set; } = string.Empty;
@@ -166,6 +170,10 @@ public class WarehouseInboundOutput
 
     public int CustomerId { get; set; }
 
+    public string? CustomerName { get; set; }
+
+    public string? CustomerCode { get; set; }
+
     public int WarehouseId { get; set; }
 
     public string NoticeNo { get; set; } = string.Empty;
@@ -389,6 +397,15 @@ public class WarehouseParcelOutput
 
     public string? Remark { get; set; }
 
+    /// <summary>商品总数量。</summary>
+    public int TotalQty { get; set; }
+
+    /// <summary>已冻结数量（订单绑定占用）。</summary>
+    public int FrozenQty { get; set; }
+
+    /// <summary>可用数量 = 总量 - 冻结。</summary>
+    public int AvailableQty { get; set; }
+
     public List<WarehouseParcelItemOutput> Items { get; set; } = [];
 
     public DateTime CreateTime { get; set; }
@@ -505,6 +522,36 @@ public class WarehouseInventoryRelocateInput
     public int Qty { get; set; }
 }
 
+public class WarehouseInventoryHistoryInput : WarehousePageInput
+{
+    [Required]
+    public int SkuId { get; set; }
+
+    [Required]
+    public int WarehouseId { get; set; }
+
+    /// <summary>
+    /// 流水类型：all / inbound / deduct；空视为 all。
+    /// </summary>
+    public string? MovementType { get; set; }
+}
+
+public class WarehouseInventoryHistoryOutput
+{
+    /// <summary>inbound 入库 / deduct 扣减。</summary>
+    public string MovementType { get; set; } = string.Empty;
+
+    /// <summary>变动数量（入库为正，扣减为正数，前端按类型展示符号）。</summary>
+    public int Qty { get; set; }
+
+    /// <summary>关联单号：入库预报号 / 物流单号。</summary>
+    public string? RefNo { get; set; }
+
+    public string? Remark { get; set; }
+
+    public DateTime OccurredAt { get; set; }
+}
+
 // --- Parcel arrival（快递到仓）---
 
 public class WarehouseParcelArrivalListInput : WarehousePageInput
diff --git a/src/Oms.Application/Services/Warehouse/WarehouseService.Inbound.cs b/src/Oms.Application/Services/Warehouse/WarehouseService.Inbound.cs
index 6471831..f4ce3cf 100644
--- a/src/Oms.Application/Services/Warehouse/WarehouseService.Inbound.cs
+++ b/src/Oms.Application/Services/Warehouse/WarehouseService.Inbound.cs
@@ -58,9 +58,25 @@ public partial class WarehouseService
             ? []
             : await InboundBoxLineRepository.GetListAsync(x => boxIds.Contains(x.InboundBoxId));
 
+        var customerIds = entities.Select(x => x.CustomerId).Distinct().ToArray();
+        var customers = customerIds.Length == 0
+            ? []
+            : await CustomerRepository.GetListAsync(x => customerIds.Contains(x.Id));
+        var customerMap = customers.ToDictionary(x => x.Id);
+
         return new OmsPageResult<WarehouseInboundOutput>
         {
-            Items = entities.Select(x => MapInboundOutput(x, boxes, lines)).ToList(),
+            Items = entities.Select(x =>
+            {
+                var output = MapInboundOutput(x, boxes, lines);
+                if (customerMap.TryGetValue(x.CustomerId, out var customer))
+                {
+                    output.CustomerName = customer.CustomerName;
+                    output.CustomerCode = customer.CustomerCode;
+                }
+
+                return output;
+            }).ToList(),
             Total = total
         };
     }
diff --git a/src/Oms.Application/Services/Warehouse/WarehouseService.Inventory.cs b/src/Oms.Application/Services/Warehouse/WarehouseService.Inventory.cs
index e40e552..0aca173 100644
--- a/src/Oms.Application/Services/Warehouse/WarehouseService.Inventory.cs
+++ b/src/Oms.Application/Services/Warehouse/WarehouseService.Inventory.cs
@@ -3,11 +3,19 @@ using Microsoft.AspNetCore.Mvc;
 using Oms.Application.Dtos.Shared;
 using Oms.Application.Dtos.Warehouse;
 using Oms.Application.Shared;
+using Oms.Domain.OrdersAggregate.Consts;
+using Oms.Domain.OrdersAggregate.Repositories;
 
 namespace Oms.Application.Services.Warehouse;
 
 public partial class WarehouseService
 {
+    private IOrderStockBindRepository OrderStockBindRepository =>
+        LazyServiceProvider.GetRequiredService<IOrderStockBindRepository>();
+
+    private IOrderRepository OrderRepository =>
+        LazyServiceProvider.GetRequiredService<IOrderRepository>();
+
     /// <summary>
     /// 查询库存列表。
     /// </summary>
@@ -20,9 +28,10 @@ public partial class WarehouseService
         var (hasCustomerFilter, customerIdValue) = CustomerFilter(customerId);
         var hasWarehouseFilter = input.WarehouseId.HasValue;
         var warehouseIdValue = input.WarehouseId.GetValueOrDefault();
+        // 有总量即展示（含全部冻结、可用为 0 的行），避免客户看不到被占用库存
         var inventories = await InventoryRepository.GetListAsync(x =>
             (!hasCustomerFilter || x.CustomerId == customerIdValue)
-            && x.AvailableQty > 0
+            && x.Qty > 0
             && (!hasWarehouseFilter || x.WarehouseId == warehouseIdValue));
 
         var skuIds = inventories.Select(x => x.SkuId).Distinct().ToArray();
@@ -165,4 +174,137 @@ public partial class WarehouseService
         await UpsertInventoryQtyAsync(customerId, input.WarehouseId, input.SkuId, input.SourceBinLocationId, -input.Qty);
         await UpsertInventoryQtyAsync(customerId, input.WarehouseId, input.SkuId, input.TargetBinLocationId, input.Qty);
     }
+
+    /// <summary>
+    /// 查询 SKU 库存变动历史：入库收货 + 订单扣减。
+    /// </summary>
+    [HttpPost("/warehouse/inventory/history")]
+    public async Task<OmsPageResult<WarehouseInventoryHistoryOutput>> GetInventoryHistoryAsync(
+        WarehouseInventoryHistoryInput input)
+    {
+        if (input.SkuId <= 0 || input.WarehouseId <= 0)
+        {
+            throw new BusinessException("SKU 和仓库不能为空");
+        }
+
+        var customerId = await ResolveListCustomerIdAsync(input.CustomerId);
+        var (hasCustomerFilter, customerIdValue) = CustomerFilter(customerId);
+        await GetSkuOrThrowAsync(customerId, input.SkuId);
+
+        var movementType = (input.MovementType ?? "all").Trim().ToLowerInvariant();
+        if (movementType is not ("all" or "inbound" or "deduct"))
+        {
+            movementType = "all";
+        }
+
+        var rows = new List<WarehouseInventoryHistoryOutput>();
+
+        if (movementType is "all" or "inbound")
+        {
+            var notices = await InboundNoticeRepository.GetListAsync(x =>
+                (!hasCustomerFilter || x.CustomerId == customerIdValue)
+                && x.WarehouseId == input.WarehouseId);
+            var noticeMap = notices.ToDictionary(x => x.Id);
+            var noticeIds = notices.Select(x => x.Id).ToArray();
+            var boxes = noticeIds.Length == 0
+                ? []
+                : await InboundBoxRepository.GetListAsync(x => noticeIds.Contains(x.InboundNoticeId));
+            var boxMap = boxes.ToDictionary(x => x.Id);
+            var boxIds = boxes.Select(x => x.Id).ToArray();
+            var lines = boxIds.Length == 0
+                ? []
+                : await InboundBoxLineRepository.GetListAsync(x =>
+                    boxIds.Contains(x.InboundBoxId)
+                    && x.SkuId == input.SkuId
+                    && x.ReceivedQty != null
+                    && x.ReceivedQty > 0);
+
+            foreach (var line in lines)
+            {
+                if (!boxMap.TryGetValue(line.InboundBoxId, out var box))
+                {
+                    continue;
+                }
+
+                noticeMap.TryGetValue(box.InboundNoticeId, out var notice);
+                var occurredAt = line.UpdateTime != default ? line.UpdateTime : line.CreateTime;
+                if (notice?.ActualArrivalTime != null)
+                {
+                    occurredAt = notice.ActualArrivalTime.Value;
+                }
+
+                rows.Add(new WarehouseInventoryHistoryOutput
+                {
+                    MovementType = "inbound",
+                    Qty = line.ReceivedQty.GetValueOrDefault(),
+                    RefNo = notice?.NoticeNo,
+                    Remark = string.IsNullOrWhiteSpace(box.MarkBoxNo)
+                        ? null
+                        : $"箱 {box.MarkBoxNo}",
+                    OccurredAt = occurredAt
+                });
+            }
+        }
+
+        if (movementType is "all" or "deduct")
+        {
+            var binds = await OrderStockBindRepository.GetListAsync(x =>
+                (!hasCustomerFilter || x.CustomerId == customerIdValue)
+                && x.WarehouseId == input.WarehouseId
+                && x.SkuId == input.SkuId
+                && x.BindType == OrderStockBindTypeCodes.Inventory
+                && x.Status == OrderStockBindStatusCodes.Deducted
+                && x.BindQty > 0);
+
+            var orderIds = binds.Select(x => x.OrderId).Distinct().ToArray();
+            var orders = orderIds.Length == 0
+                ? []
+                : await OrderRepository.GetListAsync(x => orderIds.Contains(x.Id));
+            var orderMap = orders.ToDictionary(x => x.Id);
+
+            foreach (var bind in binds)
+            {
+                orderMap.TryGetValue(bind.OrderId, out var order);
+                var refNo = order?.ServiceNo;
+                if (string.IsNullOrWhiteSpace(refNo))
+                {
+                    refNo = order?.TrackNo;
+                }
+
+                if (string.IsNullOrWhiteSpace(refNo))
+                {
+                    refNo = order?.ClientNo;
+                }
+
+                if (string.IsNullOrWhiteSpace(refNo))
+                {
+                    refNo = $"#{bind.OrderId}";
+                }
+
+                rows.Add(new WarehouseInventoryHistoryOutput
+                {
+                    MovementType = "deduct",
+                    Qty = bind.BindQty,
+                    RefNo = refNo,
+                    Remark = string.IsNullOrWhiteSpace(bind.Remark) ? "订单出库扣减" : bind.Remark,
+                    OccurredAt = bind.UpdateTime != default ? bind.UpdateTime : bind.CreateTime
+                });
+            }
+        }
+
+        var ordered = rows
+            .OrderByDescending(x => x.OccurredAt)
+            .ThenByDescending(x => x.RefNo)
+            .ToList();
+
+        var pageIndex = OmsDocHelper.NormalizePage(input.Page);
+        var pageSize = OmsDocHelper.NormalizePageSize(input.PageSize);
+        var skip = (pageIndex - 1) * pageSize;
+
+        return new OmsPageResult<WarehouseInventoryHistoryOutput>
+        {
+            Items = ordered.Skip(skip).Take(pageSize).ToList(),
+            Total = ordered.Count
+        };
+    }
 }
diff --git a/src/Oms.Application/Services/Warehouse/WarehouseService.Parcel.cs b/src/Oms.Application/Services/Warehouse/WarehouseService.Parcel.cs
index 53b1641..3f7cbff 100644
--- a/src/Oms.Application/Services/Warehouse/WarehouseService.Parcel.cs
+++ b/src/Oms.Application/Services/Warehouse/WarehouseService.Parcel.cs
@@ -308,8 +308,25 @@ public partial class WarehouseService
         }
     }
 
-    private static WarehouseParcelOutput MapParcelOutput(CParcel parcel, IEnumerable<CParcelItem> items) =>
-        new()
+    private static WarehouseParcelOutput MapParcelOutput(CParcel parcel, IEnumerable<CParcelItem> items)
+    {
+        var itemList = items.ToList();
+        var mappedItems = itemList.Select(item => new WarehouseParcelItemOutput
+        {
+            Id = item.Id,
+            ProductName = item.ProductName,
+            AttributeText = item.AttributeText,
+            ImageUrl = item.ImageUrl,
+            Quantity = item.Quantity,
+            FrozenQty = item.FrozenQty,
+            AvailableQty = item.AvailableQty > 0 ? item.AvailableQty : Math.Max(0, item.Quantity - item.FrozenQty),
+            SkuId = item.SkuId,
+            SkuCode = item.SkuCode,
+            BinLocationId = item.BinLocationId,
+            Remark = item.Remark
+        }).ToList();
+
+        return new WarehouseParcelOutput
         {
             Id = parcel.Id,
             CustomerId = parcel.CustomerId,
@@ -320,19 +337,10 @@ public partial class WarehouseService
             ArrivalTime = parcel.ArrivalTime,
             Remark = parcel.Remark,
             CreateTime = parcel.CreateTime,
-            Items = items.Select(item => new WarehouseParcelItemOutput
-            {
-                Id = item.Id,
-                ProductName = item.ProductName,
-                AttributeText = item.AttributeText,
-                ImageUrl = item.ImageUrl,
-                Quantity = item.Quantity,
-                FrozenQty = item.FrozenQty,
-                AvailableQty = item.AvailableQty > 0 ? item.AvailableQty : Math.Max(0, item.Quantity - item.FrozenQty),
-                SkuId = item.SkuId,
-                SkuCode = item.SkuCode,
-                BinLocationId = item.BinLocationId,
-                Remark = item.Remark
-            }).ToList()
+            TotalQty = mappedItems.Sum(x => x.Quantity),
+            FrozenQty = mappedItems.Sum(x => x.FrozenQty),
+            AvailableQty = mappedItems.Sum(x => x.AvailableQty),
+            Items = mappedItems
         };
+    }
 }
diff --git a/src/Oms.Application/Services/Warehouse/WarehouseService.Sku.cs b/src/Oms.Application/Services/Warehouse/WarehouseService.Sku.cs
index c785b9a..ecd753e 100644
--- a/src/Oms.Application/Services/Warehouse/WarehouseService.Sku.cs
+++ b/src/Oms.Application/Services/Warehouse/WarehouseService.Sku.cs
@@ -49,9 +49,25 @@ public partial class WarehouseService
             .GroupBy(x => x.SkuId)
             .ToDictionary(g => g.Key, g => g.Sum(x => x.Qty));
 
+        var customerIds = entities.Select(x => x.CustomerId).Distinct().ToArray();
+        var customers = customerIds.Length == 0
+            ? []
+            : await CustomerRepository.GetListAsync(x => customerIds.Contains(x.Id));
+        var customerMap = customers.ToDictionary(x => x.Id);
+
         return new OmsPageResult<WarehouseSkuOutput>
         {
-            Items = entities.Select(x => MapSkuOutput(x, qtyMap.GetValueOrDefault(x.Id))).ToList(),
+            Items = entities.Select(x =>
+            {
+                var output = MapSkuOutput(x, qtyMap.GetValueOrDefault(x.Id));
+                if (customerMap.TryGetValue(x.CustomerId, out var customer))
+                {
+                    output.CustomerName = customer.CustomerName;
+                    output.CustomerCode = customer.CustomerCode;
+                }
+
+                return output;
+            }).ToList(),
             Total = total
         };
     }