public static async Task Main(string[] args)
{
    var builder = WebAssemblyHostBuilder.CreateDefault(args);

    builder.RootComponents.Add<App>("app");

    builder.Services.AddTransient(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });

    // 增加 BootstrapBlazor 组件
    builder.Services.AddBootstrapBlazor();

    builder.Services.AddSingleton<ICultureStorage, DefaultCultureStorage>();

    var host = builder.Build();

    await GetCultureAsync(host);

    await host.RunAsync();
}

private static async Task GetCultureAsync(WebAssemblyHost host)
{
    var jsRuntime = host.Services.GetRequiredService<IJSRuntime>();
    var cultureName = await jsRuntime.InvokeAsync<string>("$.blazorCulture.get") ?? "zh-CN";
    var culture = new CultureInfo(cultureName);
    CultureInfo.DefaultThreadCurrentCulture = culture;
    CultureInfo.DefaultThreadCurrentUICulture = culture;
}

internal class DefaultCultureStorage : ICultureStorage
{
    public CultureStorageMode Mode { get; set; } = CultureStorageMode.LocalStorage;
}