public async Task <string> LoginToken()
        {
            if (IsLegal)
            {
                bool needAdd = false;
                //已经存在token
                var token = _tokenService.GetToken(Uid, Gid);
                if (token == null)
                {
                    needAdd   = true;
                    token     = new LyciumToken();
                    token.Uid = Uid;
                    token.Gid = Gid;
                }

                //重置 Token 内容
                TokenOperator.Flush(token);
                if (needAdd)
                {
                    //如果数据库没有则新增
                    if (_tokenService.AddToken(token))
                    {
                        //如果新增成功则发送通知
                        await _tokenNotify.NotifyTokensAdd(Gid, token);

                        return(JsonResult(token));
                    }
                    else
                    {
                        HttpContext.Response.StatusCode = 500;
                        LyciumConfiguration.ReturnMessage(HttpContext, 4017, "无法创建服务端Token,请联系管理员!");
                    }
                }
                else
                {
                    //如果数据库有则更新
                    if (_tokenService.ModifyToken(token))
                    {
                        //如果修改成功则发送通知
                        await _tokenNotify.NotifyTokensModify(Gid, token);

                        return(JsonResult(token));
                    }
                    else
                    {
                        HttpContext.Response.StatusCode = 401;
                        LyciumConfiguration.ReturnMessage(HttpContext, 4018, "无法更新服务端Token,请联系管理员!");
                    }
                }
            }
            else
            {
                HttpContext.Response.StatusCode = 401;
                LyciumConfiguration.ReturnMessage(HttpContext, 4016, "主机校验不合法!");
            }

            return(null);
        }