public Basemessage Put([FromBody] Userinfo item) { if (Get_UserpDb.Get(item).Any()) { return(Error("账户已存在")); } else { item.Imgurl = "user.svg"; item.CreateTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); return(Get_UserpDb.Add(item) ? succeed() : Error()); } }