public ActionResult SendUserSuggest()
        {
            Suggest suggest = new Suggest();

            suggest.user_name       = Request.Form["user_name"];
            suggest.suggest_email   = Request.Form["user_email"];
            suggest.suggest_phone   = Request.Form["user_phone"];
            suggest.suggest_content = Request.Form["user_suggest"];
            suggest.suggest_time    = DateTime.Now;

            SuggestContext suggestContext = new SuggestContext();

            suggestContext.suggestLists.Add(suggest);
            suggestContext.SaveChanges();

            return(Content("发送成功"));
        }