try
            {
                using (FileStream reader = new FileStream(_wav, FileMode.Open, FileAccess.Read, FileShare.None))
                {
                    int BufferSize = 1024;
                    byte[] fileBuffer = new byte[BufferSize];
                    int read;
                    while ((read = reader.Read(fileBuffer, 0, BufferSize)) != 0)
                    {
                        ws_Login.Send(fileBuffer); //发送
                        Array.Clear(fileBuffer, 0, fileBuffer.Length);
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }