public string GetToken()
        {
            string access_token = string.Empty;

            if (string.IsNullOrEmpty(UserDateTicket.wx_config.access_token))
            {
                access_token = WXApi.GetToken(UserDateTicket.wx_config.AppID, UserDateTicket.wx_config.AppSecret);
            }
            else
            {
                if (WXApi.TokenExpired(UserDateTicket.wx_config.access_token))
                {
                    access_token = WXApi.GetToken(UserDateTicket.wx_config.AppID, UserDateTicket.wx_config.AppSecret);
                }
                else
                {
                    return(UserDateTicket.wx_config.access_token);
                }
            }
            WX_Config m = WX_ConfigService.instance().SingleByCompanyID(UserDateTicket.Company.ID);
            Dictionary <string, object> dic = new Dictionary <string, object>();

            dic.Add("access_token", access_token);
            WX_ConfigService.instance().ModifColumn(dic, m.ID.ToString());
            UserDateTicket.wx_config = WX_ConfigService.instance().SingleByCompanyID(m.CompanyID);
            return(access_token);
        }