public async Task <ThongTinTaiKhoan> DangKyTaiKhoanMoiAsync(string tai_khoan, string mat_khau, string ho_ten, Func <string> captcha, ThongTinBoSung thong_tin_bo_sung = null)
        {
            try
            {
                CookieContainer _cookieContainer = new CookieContainer();

                string          linkDangKy = "https://ehenho.com/accounts/signup/";
                HttpWebResponse response   = await RequestToWeb.GETAsync(new Uri(linkDangKy), false, true, _cookieContainer) as HttpWebResponse;

                //var cookies = _cookieContainer.GetAllCookies();
                var check = await RequestToWeb.GETAsync(new Uri("https://ehenho.com/static/js/provinces/tp-ho-chi-minh.js"), true, cookie : _cookieContainer);

                string       csrfTokenHeader = _cookieContainer.GetCookie("csrftoken");
                HtmlDocument document        = new HtmlDocument();
                string       htmlText        = HttpUtility.HtmlDecode(RequestToWeb.ReadStream(response.GetResponseStream()));
                document.LoadHtml(htmlText);
                string csrfmiddlewaretoken = document.DocumentNode.SelectSingleNode("//input[@type='hidden' and @name='csrfmiddlewaretoken']").Attributes["value"].Value;

                Random        rand             = new Random();
                List <string> tinhTrangHonNhan = new List <string>()
                {
                    "single", "divorced", "widowed", "in-relationship"
                };
                List <string> mucTieu = new List <string>()
                {
                    "long-term-love", "short-term-love", "new-friends", "chat-or-intimate-friends", "marriage", "life-mate"
                };
                List <string> hocVan = new List <string>()
                {
                    "GRA", "VCA", "ASO", "BAC", "MAS", "AMA"
                };
                List <string> noiO = new List <string>()
                {
                    "tp-ho-chi-minh", "ha-noi", "an-giang", "ba-ria-vung-tau", "bac-lieu", "ca-mau", "gia-lai", "son-la", "lang-son", "ninh-binh", "da-nang", "dien-bien", "tuyen-quang"
                };
                List <string> headline = new List <string>()
                {
                    "Em mộc mạc", "Tìm anh à", "Bố mẹ dục cưới", "Bị bắt cưới", "Làm đám cưới", "Tìm người giàu", "Nhà điều kiện"
                };
                List <string> profiles = new List <string>()
                {
                    "Muốn hẹn hò kết bạn", "TÌm người yêu", "Cần một muối quan hệ lâu dài", "Đã có con, nếu không ngại thì inbox làm quen", "Đang bị dục cưới", "Bố mẹ bắt cưới, cần tìm bạn tình gấp", "Chả có gì giới thiệu cả"
                };

                string data = $"csrfmiddlewaretoken={csrfmiddlewaretoken}&email={tai_khoan}&password={mat_khau}&name={ho_ten}" +
                              $"&dob_day={rand.Next(1, 28)}&dob_month={rand.Next(1, 12)}&dob_year={rand.Next(1986, 2005)}&gender={thong_tin_bo_sung.GioiTinh}" +
                              $"&marital_status={tinhTrangHonNhan.GetRandomElement()}&look_for={mucTieu.GetRandomElement()}&height={rand.Next(145, 208)}" +
                              $"&weight={rand.Next(35, 80)}&education={hocVan.GetRandomElement()}&province={noiO.GetRandomElement()}&headline={headline.GetRandomElement()}" +
                              $"&master_appearance={rand.Next(1, 50)}&master_interest={rand.Next(1, 417)}&master_personality={rand.Next(1, 496)}" +
                              $"&way_of_life={rand.Next(1, 64)}&most_valued={rand.Next(1, 53)}&i_am={profiles.GetRandomElement()}&my_match={profiles.GetRandomElement()}" +
                              $"&setfc_flag=on&appearance_str1=2&appearance_str2=&appearance_str3=&interest_str1=3&interest_str2=" +
                              $"&interest_str3=&interest_str4=&interest_str5=&personality_str1=2&personality_str2=&personality_str3=&personality_str4=" +
                              $"&personality_str5=&personality_str6=&personality_str7=&way_of_life_str=7&most_valued_str=3&submit=Đăng ký";

                response = RequestToWeb.POST(new Uri(linkDangKy), _cookieContainer, data, false, true,
                                             config_more: (req) =>
                {
                    req.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3";
                    req.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip, deflate, br");
                    req.Headers.Add(HttpRequestHeader.AcceptLanguage, "en-US,en;q=0.9,vi;q=0.8");
                    req.Headers.Add(HttpRequestHeader.CacheControl, "max-age=0");
                    //req.KeepAlive = true;
                    //req.Connection = "keep-alive";

                    req.Headers.Add("DNT", "1");

                    //req.Host = "ehenho.com";
                    req.Headers.Add("Origin", "https://ehenho.com");
                    req.Referer = "https://ehenho.com/accounts/signup/";

                    req.Headers.Add("Sec-Fetch-Mode", "navigate");
                    req.Headers.Add("Sec-Fetch-Site", "same-origin");
                    //req.Headers.Add("Sec-Fetch-User", "?1");
                    //req.Headers.Add("Upgrade-Insecure-Requests", "1");

                    req.Headers.Add("X-CSRFToken", csrfTokenHeader);
                }) as HttpWebResponse;


                if (response == null)
                {
                    return new ThongTinTaiKhoan()
                           {
                               TaiKhoan = null, TrangThai = "Lỗi: Web phản hồi quá lâu"
                           }
                }
                ;

                var res = HttpUtility.HtmlDecode(RequestToWeb.ReadStream(response.GetResponseStream()));
                if (response.StatusCode == HttpStatusCode.Found)
                {
                    return new ThongTinTaiKhoan()
                           {
                               TaiKhoan = tai_khoan, MatKhau = mat_khau
                           }
                }
                ;
                else
                {
                    return new ThongTinTaiKhoan()
                           {
                               TaiKhoan = null, TrangThai = "Tạo lỗi"
                           }
                };
            }
            catch (Exception ex)
            {
                return(new ThongTinTaiKhoan()
                {
                    TaiKhoan = null, TrangThai = "Lỗi chưa xác định"
                });
            }
        }