public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
        {
            IList <FilterDescriptor> actionDescriptor = context.ActionDescriptor.FilterDescriptors;
            bool isCheckToken = true;

            foreach (var filterDescriptors in actionDescriptor)
            {
                if (filterDescriptors.Filter.GetType() == typeof(AllowAnonymousFilter))
                {
                    await next();

                    isCheckToken = false;
                    break;
                }
            }
            if (isCheckToken)
            {
                var valid = await _currentContext.CheckAuthenToken();

                if (valid)
                {
                    await next();
                }
                else
                {
                    context.Result = new ContentResult()
                    {
                        Content    = "Unauthorized",
                        StatusCode = (int)HttpStatusCode.Unauthorized
                    };
                }
            }
        }