Scut 上线后遇到的问题

                var sem = new Semaphore(_accepts, _accepts);

                while (true)
                {
                    sem.WaitOne();

#pragma warning disable 4014
                    _listener.GetContextAsync().ContinueWith(async (t) =>
                    {
                        try
                        {
                            sem.Release();
                            var ctx = await t;
                            await ProcessListenerContext(ctx, this);

                            return;
                        }
                        catch (Exception ex)
                        {
                            TraceLog.WriteError("Http request unknow error:{0}", ex);
                        }
                    });
#pragma warning restore 4014
                }