/// <summary>
        /// 人脸查找
        /// </summary>
        private bool FaceSearch()
        {
            try
            {
                faceSearch = null;
                var jObject    = face.Search(imageBase64, "BASE64", Globals.FaceGroupId);
                var error_code = int.Parse(jObject["error_code"].ToString());

                if (error_code > 0)
                {
                    faceSearch = null;
                    return(false);
                }
                else
                {
                    var result = jObject["result"];
                    faceSearch = JsonConvert.DeserializeObject <FaceSearchResultModel>(result.ToString());

                    foreach (var item in faceSearch.user_list)
                    {
                        if (item.score >= 80)
                        {
                            return(true);
                        }
                    }
                    faceSearch = null;
                    return(false);
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        /// <summary>
        /// 人脸检测
        /// </summary>
        private void FaceDetect()
        {
            Dictionary <string, object> options = new Dictionary <string, object>();
            //options["face_field"] = "age,beauty,expression,faceshape,gender,glasses,landmark,race,quality,facetype";

            // var imageBase64 = Common.BitmapToBase64(bitmap);

            var jObject = face.Detect(imageBase64, "BASE64", options);

            var error_code = int.Parse(jObject["error_code"].ToString());

            if (error_code > 0)
            {
                faceSearch = null;
            }
            else
            {
                var result = jObject["result"];
                faceDetect = JsonConvert.DeserializeObject <FaceDetectResultModel>(result.ToString());
            }
        }