diff --git a/framework/src/Volo.Abp.Swashbuckle/Microsoft/Extensions/DependencyInjection/AbpSwaggerUIOptionsExtensions.cs b/framework/src/Volo.Abp.Swashbuckle/Microsoft/Extensions/DependencyInjection/AbpSwaggerUIOptionsExtensions.cs
new file mode 100644
index 0000000000..b73cf8a7d0
--- /dev/null
+++ b/framework/src/Volo.Abp.Swashbuckle/Microsoft/Extensions/DependencyInjection/AbpSwaggerUIOptionsExtensions.cs
@@ -0,0 +1,30 @@
+using System;
+using System.Text;
+using System.Text.Json;
+using Swashbuckle.AspNetCore.SwaggerUI;
+
+namespace Microsoft.Extensions.DependencyInjection;
+
+public static class AbpSwaggerUIOptionsExtensions
+{
+    /// <summary>
+    /// Sets the abp.appPath used by the Swagger UI scripts.
+    /// </summary>
+    /// <param name="options">The Swagger UI options.</param>
+    /// <param name="appPath">The application base path.</param>
+    public static void AbpAppPath(this SwaggerUIOptions options, string appPath)
+    {
+        var normalizedAppPath = NormalizeAppPath(appPath);
+        var builder = new StringBuilder(options.HeadContent ?? string.Empty);
+        builder.AppendLine("<script>");
+        builder.AppendLine("    var abp = abp || {};");
+        builder.AppendLine($"    abp.appPath = {JsonSerializer.Serialize(normalizedAppPath)};");
+        builder.AppendLine("</script>");
+        options.HeadContent = builder.ToString();
+    }
+
+    private static string NormalizeAppPath(string appPath)
+    {
+        return string.IsNullOrWhiteSpace(appPath) ? "/" : appPath.Trim().EnsureStartsWith('/').EnsureEndsWith('/');
+    }
+}
diff --git a/framework/src/Volo.Abp.Swashbuckle/wwwroot/swagger/ui/abp.js b/framework/src/Volo.Abp.Swashbuckle/wwwroot/swagger/ui/abp.js
index 11cbe56803..da996ea6f5 100644
--- a/framework/src/Volo.Abp.Swashbuckle/wwwroot/swagger/ui/abp.js
+++ b/framework/src/Volo.Abp.Swashbuckle/wwwroot/swagger/ui/abp.js
@@ -2,11 +2,7 @@ var abp = abp || {};
 (function () {
 
     /* Application paths *****************************************/
-
-    //Current application root path (including virtual directory if exists).
-    var baseElement = document.querySelector('base');
-    var baseHref = baseElement ? baseElement.getAttribute('href') : null;
-    abp.appPath = baseHref || abp.appPath || '/';
+    abp.appPath = abp.appPath || '/';
 
     /* UTILS ***************************************************/
 
diff --git a/framework/src/Volo.Abp.Swashbuckle/wwwroot/swagger/ui/abp.swagger.js b/framework/src/Volo.Abp.Swashbuckle/wwwroot/swagger/ui/abp.swagger.js
index db054056d1..e961f6bc2d 100644
--- a/framework/src/Volo.Abp.Swashbuckle/wwwroot/swagger/ui/abp.swagger.js
+++ b/framework/src/Volo.Abp.Swashbuckle/wwwroot/swagger/ui/abp.swagger.js
@@ -11,7 +11,7 @@ var abp = abp || {};
         var oidcSupportedScopes = configObject.oidcSupportedScopes || [];
         var oidcDiscoveryEndpoint = configObject.oidcDiscoveryEndpoint || [];
         var tenantPlaceHolders = ["{{tenantId}}", "{{tenantName}}", "{0}"]
-        abp.appPath = configObject.baseUrl || abp.appPath;
+        abp.appPath = abp.appPath || "/";
 
         var requestInterceptor = configObject.requestInterceptor;
         var responseInterceptor = configObject.responseInterceptor;