diff --git a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/AbpOpenIddictAspNetCoreSessionModule.cs b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/AbpOpenIddictAspNetCoreSessionModule.cs
index cb43c0309..2a3895ba6 100644
--- a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/AbpOpenIddictAspNetCoreSessionModule.cs
+++ b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/AbpOpenIddictAspNetCoreSessionModule.cs
@@ -37,6 +37,10 @@ public class AbpOpenIddictAspNetCoreSessionModule : AbpModule
         Configure<AbpOpenIddictAspNetCoreSessionOptions>(options =>
         {
             options.PersistentSessionGrantTypes.Add(GrantTypes.Password);
+            options.ValidationSessionEndpointTypes.Add(OpenIddictServerEndpointType.Token);
+            options.ValidationSessionEndpointTypes.Add(OpenIddictServerEndpointType.UserInfo);
+            options.ValidationSessionEndpointTypes.Add(OpenIddictServerEndpointType.Introspection);
+            options.ValidationSessionEndpointTypes.Add(OpenIddictServerEndpointType.Revocation);
         });
 
         context.Services.Add(ValidationTokenCheckIdentitySession.Descriptor.ServiceDescriptor);
diff --git a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/AbpOpenIddictAspNetCoreSessionOptions.cs b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/AbpOpenIddictAspNetCoreSessionOptions.cs
index c2796845d..80411f605 100644
--- a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/AbpOpenIddictAspNetCoreSessionOptions.cs
+++ b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/AbpOpenIddictAspNetCoreSessionOptions.cs
@@ -1,11 +1,14 @@
-using System.Collections.Generic;
+using OpenIddict.Server;
+using System.Collections.Generic;
 
 namespace LINGYUN.Abp.OpenIddict.AspNetCore.Session;
 public class AbpOpenIddictAspNetCoreSessionOptions
 {
     public List<string> PersistentSessionGrantTypes { get; set; }
+    public List<OpenIddictServerEndpointType> ValidationSessionEndpointTypes { get; set; }
     public AbpOpenIddictAspNetCoreSessionOptions()
     {
         PersistentSessionGrantTypes = new List<string>();
+        ValidationSessionEndpointTypes = new List<OpenIddictServerEndpointType>();
     }
 }
diff --git a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ProcessSignInIdentitySession.cs b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ProcessSignInIdentitySession.cs
index 906510146..2373b9077 100644
--- a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ProcessSignInIdentitySession.cs
+++ b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ProcessSignInIdentitySession.cs
@@ -1,7 +1,10 @@
 using LINGYUN.Abp.Identity.Session;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using Microsoft.Extensions.Options;
 using OpenIddict.Server;
 using System;
+using System.Security.Principal;
 using System.Threading.Tasks;
 
 namespace LINGYUN.Abp.OpenIddict.AspNetCore.Session;
@@ -10,6 +13,8 @@ namespace LINGYUN.Abp.OpenIddict.AspNetCore.Session;
 /// </summary>
 public class ProcessSignInIdentitySession : IOpenIddictServerHandler<OpenIddictServerEvents.ProcessSignInContext>
 {
+    public ILogger<ProcessSignInIdentitySession> Logger { protected get; set; }
+
     protected IIdentitySessionManager IdentitySessionManager { get; }
     protected AbpOpenIddictAspNetCoreSessionOptions AbpOpenIddictAspNetCoreSessionOptions { get; }
 
@@ -27,6 +32,8 @@ public class ProcessSignInIdentitySession : IOpenIddictServerHandler<OpenIddictS
     {
         IdentitySessionManager = identitySessionManager;
         AbpOpenIddictAspNetCoreSessionOptions = abpOpenIddictAspNetCoreSessionOptions.Value;
+
+        Logger = NullLogger<ProcessSignInIdentitySession>.Instance;
     }
 
     public async virtual ValueTask HandleAsync(OpenIddictServerEvents.ProcessSignInContext context)
@@ -35,7 +42,15 @@ public class ProcessSignInIdentitySession : IOpenIddictServerHandler<OpenIddictS
             AbpOpenIddictAspNetCoreSessionOptions.PersistentSessionGrantTypes.Contains(context.Request.GrantType) &&
             context.Principal != null)
         {
+            Logger.LogInformation("Saving session for grant type: {grantType}", context.Request.GrantType);
+
             await IdentitySessionManager.SaveSessionAsync(context.Principal, context.CancellationToken);
+            
+            Logger.LogInformation("Session saved successfully: {sessionId}", context.Principal.FindSessionId());
+        }
+        else
+        {
+            Logger.LogDebug("Skipping session save for grant type: {grantType}", context.Request.GrantType);
         }
     }
 }
diff --git a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/RevocationIdentitySession.cs b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/RevocationIdentitySession.cs
index a3428ede1..0400bd66b 100644
--- a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/RevocationIdentitySession.cs
+++ b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/RevocationIdentitySession.cs
@@ -1,4 +1,6 @@
 using LINGYUN.Abp.Identity.Session;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using OpenIddict.Server;
 using System;
 using System.Security.Principal;
@@ -11,6 +13,7 @@ namespace LINGYUN.Abp.OpenIddict.AspNetCore.Session;
 /// </summary>
 public class RevocationIdentitySession : IOpenIddictServerHandler<OpenIddictServerEvents.HandleRevocationRequestContext>
 {
+    public ILogger<RevocationIdentitySession> Logger { protected get; set; }
     protected ICurrentTenant CurrentTenant { get; }
     protected IIdentitySessionManager IdentitySessionManager { get; }
 
@@ -28,6 +31,8 @@ public class RevocationIdentitySession : IOpenIddictServerHandler<OpenIddictServ
     {
         CurrentTenant = currentTenant;
         IdentitySessionManager = identitySessionManager;
+
+        Logger = NullLogger<RevocationIdentitySession>.Instance;
     }
 
     public async virtual ValueTask HandleAsync(OpenIddictServerEvents.HandleRevocationRequestContext context)
diff --git a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ServerValidationTokenCheckIdentitySession.cs b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ServerValidationTokenCheckIdentitySession.cs
index 9948778c8..ae5eb8090 100644
--- a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ServerValidationTokenCheckIdentitySession.cs
+++ b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ServerValidationTokenCheckIdentitySession.cs
@@ -1,5 +1,7 @@
 using LINGYUN.Abp.Identity.Session;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
+using Microsoft.Extensions.Options;
 using OpenIddict.Server;
 using System.Security.Principal;
 using System.Threading.Tasks;
@@ -9,8 +11,10 @@ using static OpenIddict.Abstractions.OpenIddictConstants;
 namespace LINGYUN.Abp.OpenIddict.AspNetCore.Session;
 public class ServerValidationTokenCheckIdentitySession : IOpenIddictServerHandler<OpenIddictServerEvents.ValidateTokenContext>
 {
+    public ILogger<ServerValidationTokenCheckIdentitySession> Logger { protected get; set; }
     protected ICurrentTenant CurrentTenant { get; }
     protected IIdentitySessionChecker IdentitySessionChecker { get; }
+    protected AbpOpenIddictAspNetCoreSessionOptions AbpOpenIddictAspNetCoreSessionOptions { get; }
 
     public static OpenIddictServerHandlerDescriptor Descriptor { get; } =
         OpenIddictServerHandlerDescriptor.CreateBuilder<OpenIddictServerEvents.ValidateTokenContext>()
@@ -20,20 +24,38 @@ public class ServerValidationTokenCheckIdentitySession : IOpenIddictServerHandle
 
     public ServerValidationTokenCheckIdentitySession(
         ICurrentTenant currentTenant, 
-        IIdentitySessionChecker identitySessionChecker)
+        IIdentitySessionChecker identitySessionChecker,
+        IOptions<AbpOpenIddictAspNetCoreSessionOptions> abpOpenIddictAspNetCoreSessionOptions)
     {
         CurrentTenant = currentTenant;
         IdentitySessionChecker = identitySessionChecker;
+        AbpOpenIddictAspNetCoreSessionOptions = abpOpenIddictAspNetCoreSessionOptions.Value;
+
+        Logger = NullLogger<ServerValidationTokenCheckIdentitySession>.Instance;
     }
 
     public async virtual ValueTask HandleAsync(OpenIddictServerEvents.ValidateTokenContext context)
     {
+        Logger.LogInformation("Server Validate Token: {endpointType} - {requestUri}", context.EndpointType, context.RequestUri);
+
+        if (!AbpOpenIddictAspNetCoreSessionOptions.ValidationSessionEndpointTypes.Contains(context.EndpointType))
+        {
+            Logger.LogDebug("Endpoint '{endpointType}' is not in validation whitelist, skipping session validation.", context.EndpointType);
+            return;
+        }
+
+        if (context.Principal == null || context.Principal.Identity?.IsAuthenticated == false)
+        {
+            Logger.LogWarning("Principal is null or not authenticated for endpoint '{endpointType}', skipping session validation.", context.EndpointType);
+            return;
+        }
+
         var tenantId = context.Principal?.FindTenantId();
         using (CurrentTenant.Change(tenantId))
         {
             if (!await IdentitySessionChecker.ValidateSessionAsync(context.Principal!))
             {
-                context.Logger.LogWarning("The token is no longer valid because the user's session expired.");
+                Logger.LogWarning("The token is no longer valid because the user's session expired.");
                 // Errors.InvalidToken --->  401
                 // Errors.ExpiredToken --->  400
                 context.Reject(Errors.InvalidToken, "The user session has expired.");
diff --git a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ValidationTokenCheckIdentitySession.cs b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ValidationTokenCheckIdentitySession.cs
index 9fbb9b612..26f734379 100644
--- a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ValidationTokenCheckIdentitySession.cs
+++ b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.AspNetCore.Session/LINGYUN/Abp/OpenIddict/AspNetCore/Session/ValidationTokenCheckIdentitySession.cs
@@ -1,5 +1,6 @@
 using LINGYUN.Abp.Identity.Session;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using OpenIddict.Validation;
 using System.Security.Principal;
 using System.Threading.Tasks;
@@ -9,6 +10,7 @@ using static OpenIddict.Abstractions.OpenIddictConstants;
 namespace LINGYUN.Abp.OpenIddict.AspNetCore.Session;
 public class ValidationTokenCheckIdentitySession : IOpenIddictValidationHandler<OpenIddictValidationEvents.ValidateTokenContext>
 {
+    public ILogger<ValidationTokenCheckIdentitySession> Logger { protected get; set; }
     protected ICurrentTenant CurrentTenant { get; }
     protected IIdentitySessionChecker IdentitySessionChecker { get; }
 
@@ -25,16 +27,20 @@ public class ValidationTokenCheckIdentitySession : IOpenIddictValidationHandler<
     {
         CurrentTenant = currentTenant;
         IdentitySessionChecker = identitySessionChecker;
+
+        Logger = NullLogger<ValidationTokenCheckIdentitySession>.Instance;
     }
 
     public async virtual ValueTask HandleAsync(OpenIddictValidationEvents.ValidateTokenContext context)
     {
+        Logger.LogInformation("Validate Token: {endpointType} - {requestUri}", context.EndpointType, context.RequestUri);
+
         var tenantId = context.Principal?.FindTenantId();
         using (CurrentTenant.Change(tenantId))
         {
             if (!await IdentitySessionChecker.ValidateSessionAsync(context.Principal!))
             {
-                context.Logger.LogWarning("The token is no longer valid because the user's session expired.");
+                Logger.LogWarning("The token is no longer valid because the user's session expired.");
                 // Errors.InvalidToken --->  401
                 // Errors.ExpiredToken --->  400
                 context.Reject(Errors.InvalidToken, "The user session has expired.");