diff --git a/src/BasicAbility/Masa.Contrib.BasicAbility.Auth/AuthClient.cs b/src/BasicAbility/Masa.Contrib.BasicAbility.Auth/AuthClient.cs
index 5e7cb98cf..79af2f22c 100644
--- a/src/BasicAbility/Masa.Contrib.BasicAbility.Auth/AuthClient.cs
+++ b/src/BasicAbility/Masa.Contrib.BasicAbility.Auth/AuthClient.cs
@@ -12,7 +12,6 @@ public AuthClient(ICallerProvider callerProvider, IMultiEnvironmentUserContext u
         TeamService = new TeamService(callerProvider, userContext);
         ProjectService = new ProjectService(callerProvider, userContext);
         PermissionService = new PermissionService(callerProvider, userContext);
-        OssService = new OssService(callerProvider);
     }
 
     public IUserService UserService { get; }
@@ -24,7 +23,5 @@ public AuthClient(ICallerProvider callerProvider, IMultiEnvironmentUserContext u
     public IPermissionService PermissionService { get; }
 
     public IProjectService ProjectService { get; }
-
-    public IOssService OssService { get; }
 }
 
diff --git a/src/BasicAbility/Masa.Contrib.BasicAbility.Auth/Service/OssService.cs b/src/BasicAbility/Masa.Contrib.BasicAbility.Auth/Service/OssService.cs
deleted file mode 100644
index 6cd8c1ef6..000000000
--- a/src/BasicAbility/Masa.Contrib.BasicAbility.Auth/Service/OssService.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) MASA Stack All rights reserved.
-// Licensed under the MIT License. See LICENSE.txt in the project root for license information.
-
-namespace Masa.Contrib.BasicAbility.Auth.Service;
-
-public class OssService : IOssService
-{
-    readonly ICallerProvider _callerProvider;
-
-    public OssService(ICallerProvider callerProvider)
-    {
-        _callerProvider = callerProvider;
-    }
-
-    public async Task<SecurityTokenModel> GetSecurityTokenAsync()
-    {
-        var requestUri = $"api/oss/GetSecurityToken";
-        return await _callerProvider.GetAsync<SecurityTokenModel>(requestUri) ?? throw new UserFriendlyException("Unknown exception, contact the administrator");
-    }
-}
diff --git a/src/BuildingBlocks/MASA.BuildingBlocks b/src/BuildingBlocks/MASA.BuildingBlocks
index 93f01d9b9..1c3f57d31 160000
--- a/src/BuildingBlocks/MASA.BuildingBlocks
+++ b/src/BuildingBlocks/MASA.BuildingBlocks
@@ -1 +1 @@
-Subproject commit 93f01d9b938245f1ff11645745847122f5c39887
+Subproject commit 1c3f57d3168a7cb0c4f4e1b87cf10811778ddd11
diff --git a/test/Masa.Contrib.BasicAbility.Auth.Tests/SsoServiceTest.cs b/test/Masa.Contrib.BasicAbility.Auth.Tests/SsoServiceTest.cs
deleted file mode 100644
index 7c853059c..000000000
--- a/test/Masa.Contrib.BasicAbility.Auth.Tests/SsoServiceTest.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (c) MASA Stack All rights reserved.
-// Licensed under the MIT License. See LICENSE.txt in the project root for license information.
-
-namespace Masa.Contrib.BasicAbility.Auth.Tests;
-
-[TestClass]
-public class SsoServiceTest
-{
-    [TestMethod]
-    public async Task GetSecurityTokenAsync()
-    {
-        var data = new SecurityTokenModel("region", "accessKeyId", "accessKeySecret", "stsToken", "bucket");
-        var requestUri = $"api/oss/GetSecurityToken";
-        var callerProvider = new Mock<ICallerProvider>();
-        callerProvider.Setup(provider => provider.GetAsync<SecurityTokenModel>(requestUri, default)).ReturnsAsync(data).Verifiable();
-        var ossService = new OssService(callerProvider.Object);
-        var result = await ossService.GetSecurityTokenAsync();
-        callerProvider.Verify(provider => provider.GetAsync<SecurityTokenModel>(requestUri, default), Times.Once);
-        Assert.IsTrue(result is not null);
-    }
-}