The name of the email attachment is Chinese, and the expected result is inconsistent

[huizhang001]

file, _ := os.Open("./test.txt") part, err := email.NewPartAttachment(file, "测试") file.Close()

please help me ！！！！！！！！！！！！！！！！！！！

[huizhang001]

[huizhang001]

Solved:

file, _ := os.Open("./test.txt") part, err := email.NewPartAttachment(file, mime.QEncoding.Encode("UTF-8", "测试")) file.Close()