diff --git a/framework/src/Volo.Abp.AspNetCore.Components.Web.Theming/Bundling/ComponentBundleUrlBuilder.cs b/framework/src/Volo.Abp.AspNetCore.Components.Web.Theming/Bundling/ComponentBundleUrlBuilder.cs
index 7d27f1711c..98c003e485 100644
--- a/framework/src/Volo.Abp.AspNetCore.Components.Web.Theming/Bundling/ComponentBundleUrlBuilder.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Components.Web.Theming/Bundling/ComponentBundleUrlBuilder.cs
@@ -34,6 +34,11 @@ public class ComponentBundleUrlBuilder : IComponentBundleUrlBuilder, ITransientD
             return Task.FromResult(fileName);
         }
 
+        if (fileName.StartsWith(normalized, StringComparison.Ordinal))
+        {
+            return Task.FromResult(fileName);
+        }
+
         return Task.FromResult(normalized + fileName.RemovePreFix("/"));
     }
 
diff --git a/framework/test/Volo.Abp.AspNetCore.Components.Web.Theming.Tests/Volo/Abp/AspNetCore/Components/Web/Theming/Bundling/ComponentBundleUrlBuilder_Tests.cs b/framework/test/Volo.Abp.AspNetCore.Components.Web.Theming.Tests/Volo/Abp/AspNetCore/Components/Web/Theming/Bundling/ComponentBundleUrlBuilder_Tests.cs
index a47250aaa4..a13abafe97 100644
--- a/framework/test/Volo.Abp.AspNetCore.Components.Web.Theming.Tests/Volo/Abp/AspNetCore/Components/Web/Theming/Bundling/ComponentBundleUrlBuilder_Tests.cs
+++ b/framework/test/Volo.Abp.AspNetCore.Components.Web.Theming.Tests/Volo/Abp/AspNetCore/Components/Web/Theming/Bundling/ComponentBundleUrlBuilder_Tests.cs
@@ -102,4 +102,18 @@ public class ComponentBundleUrlBuilder_Tests
         (await _builder.BuildAsync("/__bundles/Global.css", appBasePath: "   ", navigationBaseUri: "https://localhost/foo/"))
             .ShouldBe("/foo/__bundles/Global.css");
     }
+
+    [Fact]
+    public async Task Should_Be_Idempotent_For_Already_Prefixed_FileName()
+    {
+        (await _builder.BuildAsync("/foo/__bundles/Global.css", appBasePath: "/foo", navigationBaseUri: null))
+            .ShouldBe("/foo/__bundles/Global.css");
+    }
+
+    [Fact]
+    public async Task Should_Be_Idempotent_When_PathBase_Resolved_From_NavigationBaseUri()
+    {
+        (await _builder.BuildAsync("/foo/__bundles/Global.css", appBasePath: null, navigationBaseUri: "https://localhost/foo/"))
+            .ShouldBe("/foo/__bundles/Global.css");
+    }
 }