diff --git a/TcpService.cs b/TcpService.cs
index 5e2feaf..af69977 100644
--- a/TcpService.cs
+++ b/TcpService.cs
@@ -68,7 +68,8 @@ namespace Akari.Provider.WaveshareUART
             {
                 var stream = client.GetStream();
 
-                var data = Convert.FromBase64String(user.Token);
+                //var data = Convert.FromBase64String(user.Token);
+                var data = Encoding.UTF8.GetBytes($"{user.Name}${user.Token}");
 
                 stream.Write(data, 0, data.Length);
             }