public HttpResponseMessage ImagesUpload()
        {
            object result           = string.Empty;
            string base64Code       = DNTRequest.GetString("base64Code");
            string sskdRequestParas = DNTRequest.GetString("sskdRequestParas");

            if (!string.IsNullOrEmpty(base64Code))
            {
                base64Code = base64Code.Replace(" ", "+");
                base64Code = base64Code.Replace(" ", "");
                base64Code = base64Code.Trim().Replace("%", "").Replace(",", "").Replace(" ", "+");
                if (base64Code.Length % 4 > 0)
                {
                    base64Code = base64Code.PadRight(base64Code.Length + 4 - base64Code.Length % 4, '=');
                }
            }

            byte[] photoData    = new byte[0];
            string msg          = string.Empty;
            string fileName     = string.Empty;
            string _contentType = "application/x-jpg";

            photoData = DNTRequest.Base64StringToByte(base64Code, ref msg, ref fileName);
            if (!string.IsNullOrEmpty(msg))
            {
                HttpResponseMessage res = new HttpResponseMessage {
                    Content = new StringContent(msg, Encoding.GetEncoding("UTF-8"), "text/plain")
                };
                return(res);
            }
            else
            {
                result = NewLoanInterface.ImagesUpload(base64Code, photoData, fileName, _contentType, sskdRequestParas);

                HttpResponseMessage res = new HttpResponseMessage {
                    Content = new StringContent(result.ToString(), Encoding.GetEncoding("UTF-8"), "text/plain")
                };
                return(res);
            }
        }