diff --git a/framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Uow/AbpAspNetCoreUnitOfWorkOptions.cs b/framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Uow/AbpAspNetCoreUnitOfWorkOptions.cs
index 67bfbfaec5..3784cc9005 100644
--- a/framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Uow/AbpAspNetCoreUnitOfWorkOptions.cs
+++ b/framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Uow/AbpAspNetCoreUnitOfWorkOptions.cs
@@ -33,7 +33,7 @@ public class AbpAspNetCoreUnitOfWorkOptions
     /// <see cref="CompleteUnitOfWorkOnResponseStarting"/> even when it is globally disabled (for example
     /// "/connect" matches "/connect/token" but not "/connections"). A trailing slash is normalized; blank,
     /// non-absolute, and root ("/") entries are ignored - use <see cref="CompleteUnitOfWorkOnResponseStarting"/>
-    /// to enable it for every request.
+    /// to enable it for every request handled by the middleware.
     /// </summary>
     public List<string> CompleteUnitOfWorkOnResponseStartingUrls { get; } = new List<string>();
 }
diff --git a/framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Uow/AbpUnitOfWorkMiddleware.cs b/framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Uow/AbpUnitOfWorkMiddleware.cs
index 36c00208f9..211a5be2cf 100644
--- a/framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Uow/AbpUnitOfWorkMiddleware.cs
+++ b/framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Uow/AbpUnitOfWorkMiddleware.cs
@@ -37,7 +37,7 @@ public class AbpUnitOfWorkMiddleware : AbpMiddlewareBase, ITransientDependency
 
         using (var uow = _unitOfWorkManager.Reserve(UnitOfWork.UnitOfWorkReservationName))
         {
-            var completedOnResponseStarting = false;
+            var completionAttemptedOnResponseStarting = false;
 
             if (!context.Response.HasStarted && ShouldCompleteOnResponseStarting(context))
             {
@@ -47,7 +47,7 @@ public class AbpUnitOfWorkMiddleware : AbpMiddlewareBase, ITransientDependency
                     if (_unitOfWorkManager.Current == uow)
                     {
                         // Set before completing so a post-commit failure isn't masked by the completion below.
-                        completedOnResponseStarting = true;
+                        completionAttemptedOnResponseStarting = true;
                         await uow.CompleteAsync(_cancellationTokenProvider.Token);
                     }
                 });
@@ -55,7 +55,7 @@ public class AbpUnitOfWorkMiddleware : AbpMiddlewareBase, ITransientDependency
 
             await next(context);
 
-            if (!completedOnResponseStarting)
+            if (!completionAttemptedOnResponseStarting)
             {
                 await uow.CompleteAsync(_cancellationTokenProvider.Token);
             }
@@ -84,8 +84,15 @@ public class AbpUnitOfWorkMiddleware : AbpMiddlewareBase, ITransientDependency
 
             // Normalize a trailing slash ("/connect/" behaves like "/connect") and ignore non-absolute entries.
             var prefix = url.TrimEnd('/');
-            if (prefix.StartsWith("/", StringComparison.Ordinal) &&
-                context.Request.Path.StartsWithSegments(prefix, StringComparison.OrdinalIgnoreCase))
+            if (!prefix.StartsWith("/", StringComparison.Ordinal))
+            {
+                continue;
+            }
+
+            // Match both the request path and the path base + path, so an absolute endpoint that includes
+            // the path base still matches when the path base is stripped from Request.Path.
+            if (context.Request.Path.StartsWithSegments(prefix, StringComparison.OrdinalIgnoreCase) ||
+                context.Request.PathBase.Add(context.Request.Path).StartsWithSegments(prefix, StringComparison.OrdinalIgnoreCase))
             {
                 return true;
             }
diff --git a/modules/openiddict/src/Volo.Abp.OpenIddict.AspNetCore/Volo/Abp/OpenIddict/AbpOpenIddictAspNetCoreModule.cs b/modules/openiddict/src/Volo.Abp.OpenIddict.AspNetCore/Volo/Abp/OpenIddict/AbpOpenIddictAspNetCoreModule.cs
index 0826f7a3ae..09f1001104 100644
--- a/modules/openiddict/src/Volo.Abp.OpenIddict.AspNetCore/Volo/Abp/OpenIddict/AbpOpenIddictAspNetCoreModule.cs
+++ b/modules/openiddict/src/Volo.Abp.OpenIddict.AspNetCore/Volo/Abp/OpenIddict/AbpOpenIddictAspNetCoreModule.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc.Razor;
@@ -50,7 +51,7 @@ public class AbpOpenIddictAspNetCoreModule : AbpModule
             options.RemoveClientIdClaim();
         });
 
-        // Commit tokens/authorizations/sessions written during sign-in before the response is flushed.
+        // Complete data written while processing OpenIddict requests before the response starts.
         // Derived from the configured OpenIddict server endpoint paths (including the device endpoint).
         context.Services.AddOptions<AbpAspNetCoreUnitOfWorkOptions>()
             .Configure<IOptions<OpenIddictServerOptions>>((uowOptions, serverOptions) =>
@@ -65,6 +66,8 @@ public class AbpOpenIddictAspNetCoreModule : AbpModule
             });
     }
 
+    private static readonly Uri RootUri = new Uri("http://localhost/");
+
     private static IEnumerable<string> GetServerEndpointPaths(OpenIddictServerOptions serverOptions)
     {
         var endpoints = serverOptions.TokenEndpointUris
@@ -77,10 +80,11 @@ public class AbpOpenIddictAspNetCoreModule : AbpModule
 
         foreach (var uri in endpoints)
         {
-            var path = uri.IsAbsoluteUri ? uri.AbsolutePath : uri.OriginalString;
-            if (!string.IsNullOrWhiteSpace(path))
+            // Resolve relative endpoint URIs (e.g. "connect/token" or "./connect/token") to an absolute path.
+            var path = (uri.IsAbsoluteUri ? uri : new Uri(RootUri, uri)).AbsolutePath;
+            if (!string.IsNullOrWhiteSpace(path) && path != "/")
             {
-                yield return "/" + path.TrimStart('/');
+                yield return path;
             }
         }
     }
diff --git a/modules/openiddict/test/Volo.Abp.OpenIddict.AspNetCore.Tests/Volo/Abp/OpenIddict/Integration/OpenIddictTokenEndpoint_Integration_Tests.cs b/modules/openiddict/test/Volo.Abp.OpenIddict.AspNetCore.Tests/Volo/Abp/OpenIddict/Integration/OpenIddictTokenEndpoint_Integration_Tests.cs
index cf11cffdf3..483e64694b 100644
--- a/modules/openiddict/test/Volo.Abp.OpenIddict.AspNetCore.Tests/Volo/Abp/OpenIddict/Integration/OpenIddictTokenEndpoint_Integration_Tests.cs
+++ b/modules/openiddict/test/Volo.Abp.OpenIddict.AspNetCore.Tests/Volo/Abp/OpenIddict/Integration/OpenIddictTokenEndpoint_Integration_Tests.cs
@@ -34,7 +34,7 @@ public class OpenIddictTokenEndpoint_Integration_Tests : AbpWebApplicationFactor
     [Fact]
     public async Task Token_Row_Is_Committed_Before_The_Connect_Token_Response_Is_Sent()
     {
-        // The OpenIddict module opts "/connect" in by default.
+        // The OpenIddict module opts its endpoint paths (including "/connect/token") in by default.
         var response = await RequestTokenAsync();
 
         response.StatusCode.ShouldBe(HttpStatusCode.OK);