diff --git a/src/Oms.Application/Dtos/Orders/CustomerSenderAddressDtos.cs b/src/Oms.Application/Dtos/Orders/CustomerSenderAddressDtos.cs
index e8797e8..8755a37 100644
--- a/src/Oms.Application/Dtos/Orders/CustomerSenderAddressDtos.cs
+++ b/src/Oms.Application/Dtos/Orders/CustomerSenderAddressDtos.cs
@@ -13,6 +13,12 @@ public class CustomerSenderAddressPaginatedInput
     [Newtonsoft.Json.JsonProperty("pageSize")]
     public int PageSize { get; set; } = 30;
 
+    /// <summary>
+    /// 客户 ID（管理端可选；不传则查全部）。
+    /// </summary>
+    [Newtonsoft.Json.JsonProperty("customerId")]
+    public int? CustomerId { get; set; }
+
     /// <summary>
     /// 地址类型：all / sender / return / receiver。
     /// </summary>
@@ -31,6 +37,11 @@ public class CustomerSenderAddressPaginatedInput
 /// </summary>
 public class CreateCustomerSenderAddressInput
 {
+    /// <summary>
+    /// 客户 ID（管理端代操作必传；客户门户可省略）。
+    /// </summary>
+    public int? CustomerId { get; set; }
+
     /// <summary>
     /// 地址类型：sender 发件 / return 退件 / receiver 收件。
     /// </summary>
diff --git a/src/Oms.Application/Services/Orders/OrderService.SenderAddress.cs b/src/Oms.Application/Services/Orders/OrderService.SenderAddress.cs
index a0ae85c..c05d4e7 100644
--- a/src/Oms.Application/Services/Orders/OrderService.SenderAddress.cs
+++ b/src/Oms.Application/Services/Orders/OrderService.SenderAddress.cs
@@ -17,26 +17,27 @@ public partial class OrderService
 
     /// <summary>
     /// 客户地址分页列表（发件/退件/收件）。
+    /// 管理端未传 customerId 时查询全部；客户门户仅查自身。
     /// </summary>
     [HttpPost("/order/sender-address/list")]
     public async Task<OmsPageResult<CustomerSenderAddressOutput>> GetSenderAddressListAsync(
         [FromBody] CustomerSenderAddressPaginatedInput input)
     {
-        var customer = await OmsSessionHelper.ResolveSessionCustomerAsync(CustomerRepository, CurrentUser);
+        var customerId = await WarehouseCustomerHelper.ResolveListCustomerIdAsync(
+            CustomerRepository,
+            CurrentUser,
+            input.CustomerId);
         var pageIndex = OmsDocHelper.NormalizePage(input.Page);
         var pageSize = OmsDocHelper.NormalizePageSize(input.PageSize);
-        var predicate = BuildSenderAddressPredicate(customer.Id, input);
+        var predicate = BuildSenderAddressPredicate(customerId, input);
 
-        var entities = await CustomerSenderAddressRepository.GetPagedListAsync(
+        // 避免 Fake GetPagedListAsync(sorting) 丢失 Where / SqlSugar 错误翻译表达式
+        var (entities, total) = await RepositoryPageHelper.GetPageAsync(
+            CustomerSenderAddressRepository,
             predicate,
             pageIndex,
             pageSize,
-            new Dictionary<string, bool>
-            {
-                [nameof(CustomerSenderAddress.IsDefault)] = false,
-                [nameof(CustomerSenderAddress.Id)] = false
-            });
-        var total = await CustomerSenderAddressRepository.CountAsync(predicate);
+            q => q.OrderByDescending(x => x.IsDefault).ThenByDescending(x => x.Id));
         var countryMap = await LoadCountryCodeMapAsync(entities.Select(x => x.Country).Where(x => x.HasValue).Select(x => x!.Value));
 
         return new OmsPageResult<CustomerSenderAddressOutput>
@@ -50,9 +51,11 @@ public partial class OrderService
     /// 客户地址详情。
     /// </summary>
     [HttpGet("/order/sender-address/detail")]
-    public async Task<CustomerSenderAddressOutput> GetSenderAddressDetailAsync([FromQuery] int id)
+    public async Task<CustomerSenderAddressOutput> GetSenderAddressDetailAsync(
+        [FromQuery] int id,
+        [FromQuery] int? customerId = null)
     {
-        var entity = await GetOwnedSenderAddressOrThrowAsync(id);
+        var entity = await GetOwnedSenderAddressOrThrowAsync(id, customerId);
         var countryMap = await LoadCountryCodeMapAsync(entity.Country.HasValue ? [entity.Country.Value] : []);
         return MapSenderAddressOutput(entity, countryMap);
     }
@@ -63,19 +66,22 @@ public partial class OrderService
     [HttpPost("/order/sender-address/create")]
     public async Task<object> CreateSenderAddressAsync([FromBody] CreateCustomerSenderAddressInput input)
     {
-        var customer = await OmsSessionHelper.ResolveSessionCustomerAsync(CustomerRepository, CurrentUser);
+        var customerId = await WarehouseCustomerHelper.ResolveRequiredCustomerIdAsync(
+            CustomerRepository,
+            CurrentUser,
+            input.CustomerId);
         var addressType = NormalizeAddressTypeOrThrow(input.AddressType);
         ValidateSenderAddressInput(input);
         var countryId = await ResolveSenderCountryIdAsync(input.CountryCode);
 
         if (input.IsDefault)
         {
-            await CustomerSenderAddressRepository.ClearDefaultAsync(customer.Id, addressType);
+            await CustomerSenderAddressRepository.ClearDefaultAsync(customerId, addressType);
         }
 
         var entity = new CustomerSenderAddress
         {
-            CustomerId = customer.Id,
+            CustomerId = customerId,
             AddressType = addressType,
             AddressName = TrimOrNull(input.AddressName),
             SenderName = input.SenderName.Trim(),
@@ -104,7 +110,7 @@ public partial class OrderService
     [HttpPost("/order/sender-address/update")]
     public async Task UpdateSenderAddressAsync([FromBody] UpdateCustomerSenderAddressInput input)
     {
-        var entity = await GetOwnedSenderAddressOrThrowAsync(input.Id);
+        var entity = await GetOwnedSenderAddressOrThrowAsync(input.Id, input.CustomerId);
         var addressType = NormalizeAddressTypeOrThrow(input.AddressType);
         ValidateSenderAddressInput(input);
         var countryId = await ResolveSenderCountryIdAsync(input.CountryCode);
@@ -140,7 +146,7 @@ public partial class OrderService
     [HttpPost("/order/sender-address/delete")]
     public async Task DeleteSenderAddressAsync([FromBody] IdInput input)
     {
-        var entity = await GetOwnedSenderAddressOrThrowAsync(input.Id);
+        var entity = await GetOwnedSenderAddressOrThrowAsync(input.Id, null);
         await CustomerSenderAddressRepository.DeleteAsync(entity);
     }
 
@@ -150,7 +156,7 @@ public partial class OrderService
     [HttpPost("/order/sender-address/set-default")]
     public async Task SetDefaultSenderAddressAsync([FromBody] IdInput input)
     {
-        var entity = await GetOwnedSenderAddressOrThrowAsync(input.Id);
+        var entity = await GetOwnedSenderAddressOrThrowAsync(input.Id, null);
         var addressType = string.IsNullOrWhiteSpace(entity.AddressType)
             ? CustomerAddressTypeCodes.Sender
             : entity.AddressType;
@@ -159,10 +165,17 @@ public partial class OrderService
         await CustomerSenderAddressRepository.UpdateAsync(entity);
     }
 
-    private async Task<CustomerSenderAddress> GetOwnedSenderAddressOrThrowAsync(int id)
+    private async Task<CustomerSenderAddress> GetOwnedSenderAddressOrThrowAsync(int id, int? requestedCustomerId)
     {
-        var customer = await OmsSessionHelper.ResolveSessionCustomerAsync(CustomerRepository, CurrentUser);
-        var entity = await CustomerSenderAddressRepository.GetOwnedAsync(id, customer.Id);
+        var customerId = await WarehouseCustomerHelper.ResolveListCustomerIdAsync(
+            CustomerRepository,
+            CurrentUser,
+            requestedCustomerId);
+        var (hasCustomerFilter, customerIdValue) = WarehouseCustomerHelper.ToCustomerFilter(customerId);
+
+        var entity = hasCustomerFilter
+            ? await CustomerSenderAddressRepository.GetOwnedAsync(id, customerIdValue)
+            : await CustomerSenderAddressRepository.FirstOrDefaultAsync(x => x.Id == id);
         if (entity == null)
         {
             throw new BusinessException("地址不存在");
@@ -204,24 +217,28 @@ public partial class OrderService
     }
 
     private static Expression<Func<CustomerSenderAddress, bool>> BuildSenderAddressPredicate(
-        int customerId,
+        int? customerId,
         CustomerSenderAddressPaginatedInput input)
     {
+        var (hasCustomerFilter, customerIdValue) = WarehouseCustomerHelper.ToCustomerFilter(customerId);
         var keyword = input.Keyword?.Trim();
+        var hasKeyword = !string.IsNullOrWhiteSpace(keyword);
         var onlyDefault = input.OnlyDefault;
         var addressType = input.AddressType?.Trim();
         var filterByType = !string.IsNullOrWhiteSpace(addressType)
             && !string.Equals(addressType, "all", StringComparison.OrdinalIgnoreCase);
+        var addressTypeValue = filterByType ? addressType! : string.Empty;
 
+        // 布尔/关键字先算成局部变量；避免 SqlSugar 翻译 IsNullOrWhiteSpace / ?? / HasValue 生成非法 SQL
         return x =>
-            x.CustomerId == customerId
-            && (!filterByType || x.AddressType == addressType)
+            (!hasCustomerFilter || x.CustomerId == customerIdValue)
+            && (!filterByType || x.AddressType == addressTypeValue)
             && (!onlyDefault || x.IsDefault == 1)
-            && (string.IsNullOrWhiteSpace(keyword)
-                || (x.AddressName ?? string.Empty).Contains(keyword)
-                || x.SenderName.Contains(keyword)
-                || (x.Phone ?? string.Empty).Contains(keyword)
-                || x.StreetAddress1.Contains(keyword));
+            && (!hasKeyword
+                || (x.AddressName != null && x.AddressName.Contains(keyword!))
+                || x.SenderName.Contains(keyword!)
+                || (x.Phone != null && x.Phone.Contains(keyword!))
+                || x.StreetAddress1.Contains(keyword!));
     }
 
     private async Task<Dictionary<int, string>> LoadCountryCodeMapAsync(IEnumerable<int> countryIds)
diff --git a/src/Oms.SqlSugarCore/Orders/CustomerSenderAddressRepository.cs b/src/Oms.SqlSugarCore/Orders/CustomerSenderAddressRepository.cs
index 0f9e37c..bac3a52 100644
--- a/src/Oms.SqlSugarCore/Orders/CustomerSenderAddressRepository.cs
+++ b/src/Oms.SqlSugarCore/Orders/CustomerSenderAddressRepository.cs
@@ -19,11 +19,13 @@ public class CustomerSenderAddressRepository : OmsSqlSugarRepository<CustomerSen
         CancellationToken cancellationToken = default)
     {
         var type = addressType.Trim();
+        var hasExcludeId = excludeId.HasValue;
+        var excludeIdValue = excludeId.GetValueOrDefault();
         var list = await GetListAsync(
             x => x.CustomerId == customerId
                  && x.AddressType == type
                  && x.IsDefault == 1
-                 && (!excludeId.HasValue || x.Id != excludeId.Value),
+                 && (!hasExcludeId || x.Id != excludeIdValue),
             cancellationToken: cancellationToken);
         if (list.Count == 0)
         {