如何在golang中以UTF-8编码gob？

I am using gob.NewEncoder to encode string message msg but need to do it in utf-8.

err= gob.NewEncoder(conn).Encode(msg)

I am getting warning in Ruby receiver (Logstash) saying that Received an event that has a different character encoding than you configured ...:expected_charset=>"UTF-8"

When you call Encode(msg), you are not sending UTF-8 plain text.

To send plain text:

conn.Write([]byte(msg)) // suppose msg is string