Blazor WebAssembly hosted app with Identity Server, GET https://{DOMAIN}/.well-known/openid-configuration 404

Question

I set up a blazorwasm application, It can work normally locally(OIDC), But if I publish to the server，It does not work with a domain name(if use IP, work normally ) I checked F12 and found GET https://{DOMAIN}/.well-known/openid-configuration 404 (use IP is 200) Are there any settings needed here?
public void ConfigureServices(IServiceCollection services)
{
services.AddDbContext<ApplicationDbContext>(options =>
options.UseMySQL(
Configuration.GetConnectionString("DefaultConnection")));

        services.AddDatabaseDeveloperPageExceptionFilter();
        services.AddCors(options =>
        {
            options.AddDefaultPolicy(
            builder =>
            {
                builder.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod();
            });
        });
        services.AddDefaultIdentity<ApplicationUser>(options => options.SignIn.RequireConfirmedAccount = true)
            .AddEntityFrameworkStores<ApplicationDbContext>();

        services.AddIdentityServer()
            .AddApiAuthorization<ApplicationUser, ApplicationDbContext>();

        services.AddAuthentication()
            .AddIdentityServerJwt()
        services.AddControllersWithViews();
        services.AddRazorPages();
    }

    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
            app.UseMigrationsEndPoint();
            app.UseWebAssemblyDebugging();
        }
        else
        {
            app.UseExceptionHandler("/Error");
            // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
            app.UseHsts();
        }

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

        app.UseCors();

        app.UseRouting();
        app.UseCookiePolicy(new CookiePolicyOptions
        {
            MinimumSameSitePolicy = Microsoft.AspNetCore.Http.SameSiteMode.Lax,
        });
        app.UseIdentityServer();
        app.UseAuthentication();
        app.UseAuthorization();

        app.UseEndpoints(endpoints =>
        {
            endpoints.MapRazorPages();
            endpoints.MapControllers();
            endpoints.MapFallbackToFile("index.html");
        });
    }