asp.net核心中托管的Blazor Wasm的User.Identity.Name为空

public void ConfigureServices(IServiceCollection services)
{
    services.AddAuthentication(options =>
    {
        options.DefaultScheme = CookieAuthenticationDefaults.AuthenticationScheme;
        options.DefaultChallengeScheme = OpenIdConnectDefaults.AuthenticationScheme;
    })
    .AddCookie()
    .AddOpenIdConnect(options =>
    {
        options.Authority = Configuration["AzureAd:AadInstance"] + Configuration["AzureAd:TenantId"];
        options.ClientId = Configuration["AzureAd:ClientId"];
        options.CallbackPath = Configuration["AzureAd:CallbackPath"];
    });

    services.AddRazorPages();
    services.AddServerSideBlazor();
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }
    else
    {
        app.UseExceptionHandler("/Error");
        app.UseHsts();
    }

    app.UseHttpsRedirection();
    app.UseStaticFiles();

    app.UseRouting();

    app.UseAuthentication();
    app.UseAuthorization();

    app.UseEndpoints(endpoints =>
    {
        endpoints.MapBlazorHub();
        endpoints.MapFallbackToPage("/_Host");
    });
}

public void ConfigureServices(IServiceCollection services)
{
    services.AddCors(options =>
    {
        options.AddPolicy("AllowAllOrigins",
            builder =>
            {
                builder.AllowAnyOrigin()
                       .AllowAnyHeader()
                       .AllowAnyMethod()
                       .AllowCredentials();
            });
    });

    // ...其他服务配置...
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    // ...其他中间件配置...

    app.UseCors("AllowAllOrigins");

    // ...其他中间件配置...
}