Fix the problem in `AppUrlProvider`,

framework/src/Volo.Abp.UI.Navigation/Volo/Abp/Ui/Navigation/Urls/AppUrlProvider.cs

@@ -86,7 +86,7 @@ public class AppUrlProvider : IAppUrlProvider, ITransientDependency
         {
             if (CurrentTenant.Id.HasValue)
             {
-                url = url.Replace(tenantNamePlaceHolder, await GetCurrentTenantNameAsync());
+                url = url.Replace(tenantNamePlaceHolder, await GetCurrentTenantNameAsync() + ".");
             }
             else
             {

framework/test/Volo.Abp.UI.Navigation.Tests/Volo/Abp/Ui/Navigation/AppUrlProvider_Tests.cs

@@ -0,0 +1,95 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+using Shouldly;
+using Volo.Abp.MultiTenancy;
+using Volo.Abp.Testing;
+using Volo.Abp.UI.Navigation.Urls;
+using Xunit;
+
+namespace Volo.Abp.UI.Navigation;
+
+public class AppUrlProvider_Tests : AbpIntegratedTest<AbpUiNavigationTestModule>
+{
+    private readonly IAppUrlProvider _appUrlProvider;
+    private readonly ICurrentTenant _currentTenant;
+
+    public AppUrlProvider_Tests()
+    {
+        _appUrlProvider = ServiceProvider.GetRequiredService<AppUrlProvider>();
+        _currentTenant = ServiceProvider.GetRequiredService<ICurrentTenant>();
+    }
+
+    protected override void SetAbpApplicationCreationOptions(AbpApplicationCreationOptions options)
+    {
+        options.UseAutofac();
+    }
+
+    protected override void AfterAddApplication(IServiceCollection services)
+    {
+        services.Configure<AppUrlOptions>(options =>
+        {
+            options.Applications["MVC"].RootUrl = "https://{{tenantName}}.abp.io";
+            options.Applications["MVC"].Urls["PasswordReset"] = "account/reset-password";
+            options.RedirectAllowedUrls.AddRange(new List<string>()
+            {
+                "https://wwww.volosoft.com",
+                "https://wwww.aspnetzero.com"
+            });
+
+            options.Applications["BLAZOR"].RootUrl = "https://{{tenantId}}.abp.io";
+            options.Applications["BLAZOR"].Urls["PasswordReset"] = "account/reset-password";
+        });
+    }
+
+    [Fact]
+    public async Task GetUrlAsync()
+    {
+        using (_currentTenant.Change(null))
+        {
+            var url = await _appUrlProvider.GetUrlAsync("MVC");
+            url.ShouldBe("https://abp.io");
+
+            url = await _appUrlProvider.GetUrlAsync("MVC", "PasswordReset");
+            url.ShouldBe("https://abp.io/account/reset-password");
+        }
+
+        using (_currentTenant.Change(Guid.NewGuid(), "community"))
+        {
+            var url = await _appUrlProvider.GetUrlAsync("MVC");
+            url.ShouldBe("https://community.abp.io");
+
+            url = await _appUrlProvider.GetUrlAsync("MVC", "PasswordReset");
+            url.ShouldBe("https://community.abp.io/account/reset-password");
+        }
+
+        var tenantId = Guid.NewGuid();
+        using (_currentTenant.Change(tenantId))
+        {
+            var url = await _appUrlProvider.GetUrlAsync("BLAZOR");
+            url.ShouldBe($"https://{tenantId}.abp.io");
+
+            url = await _appUrlProvider.GetUrlAsync("BLAZOR", "PasswordReset");
+            url.ShouldBe($"https://{tenantId}.abp.io/account/reset-password");
+        }
+
+        await Assert.ThrowsAsync<AbpException>(async () =>
+        {
+            await _appUrlProvider.GetUrlAsync("ANGULAR");
+        });
+    }
+
+    [Fact]
+    public async Task GetUrlOrNullAsync()
+    {
+        (await _appUrlProvider.GetUrlOrNullAsync("ANGULAR")).ShouldBeNull();
+    }
+
+    [Fact]
+    public void IsRedirectAllowedUrl()
+    {
+        _appUrlProvider.IsRedirectAllowedUrl("https://community.abp.io").ShouldBeFalse();
+        _appUrlProvider.IsRedirectAllowedUrl("https://wwww.volosoft.com").ShouldBeTrue();
+    }
+}