diff --git a/bin/amd64 b/bin/amd64
index a0fba16..e14fcd7 100644
Binary files a/bin/amd64 and b/bin/amd64 differ
diff --git a/etc/gomail.ini b/etc/gomail.ini
index 70b50ed..f958ffb 100644
--- a/etc/gomail.ini
+++ b/etc/gomail.ini
@@ -1,4 +1,4 @@
 [global]
 SEND_MAIL = "yuling.niu@hohong.cn";             // 发送者邮箱
-MAIL_KEY = "1234567";                           // 发送者邮箱密钥
-SMTP_SERVER = "smtphz.qiye.163.com:994";        // smtp服务器地址
\ No newline at end of file
+MAIL_KEY = "8MWeAUdg3ttvMjKv";                  // 发送者邮箱密钥
+SMTP_SERVER = "smtphz.qiye.163.com:994";        // smtp服务器地址
diff --git a/src/main.go b/src/main.go
index 993eb5a..95253d2 100644
--- a/src/main.go
+++ b/src/main.go
@@ -10,16 +10,70 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/jordan-wright/email"
+	gomail "github.com/jordan-wright/email"
 	"gopkg.in/ini.v1"
 )
 
-func GetCurrentDirectory() string {
-	dir, err := filepath.Abs(filepath.Dir(os.Args[0])) //返回绝对路径  filepath.Dir(os.Args[0])去除最后一个元素的路径
+type Config struct {
+	SenderEmail   string
+	EmailPassword string
+	SMTPServer    string
+}
+
+func getConfigFilePath() string {
+	dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
 	if err != nil {
 		log.Fatal(err)
 	}
-	return strings.Replace(dir, "\\", "/", -1) //将\替换成/
+	return filepath.Join(dir, "gomail.ini")
+}
+
+func readConfig(configFile string) *Config {
+	config, err := ini.Load(configFile)
+	if err != nil {
+		log.Fatalf("Fail to read config file: %v", err)
+	}
+
+	return &Config{
+		SenderEmail:   config.Section("global").Key("SEND_MAIL").String(),
+		EmailPassword: config.Section("global").Key("MAIL_KEY").String(),
+		SMTPServer:    config.Section("global").Key("SMTP_SERVER").String(),
+	}
+}
+
+func createEmail(senderEmail string, recipients []string, subject, text, attachment string) *gomail.Email {
+	email := gomail.NewEmail()
+	email.From = senderEmail
+	email.To = recipients
+	email.Subject = subject
+	email.Text = []byte(text)
+
+	if attachment != "" {
+		email.AttachFile(attachment)
+	}
+
+	return email
+}
+
+func sendEmail(email *gomail.Email, smtpServer, senderEmail, emailPassword string) error {
+	hostSign := strings.Index(smtpServer, ":")
+	smtpServerHost := smtpServer[0:(len(smtpServer) - len(smtpServer[hostSign:]))]
+	smtpServerPort := smtpServer[hostSign+1:]
+
+	auth := smtp.PlainAuth("", senderEmail, emailPassword, smtpServerHost)
+
+	var err error
+	if smtpServerPort != "25" {
+		fmt.Println("SSL mode")
+		err = email.SendWithTLS(smtpServer, auth, &tls.Config{ServerName: smtpServerHost})
+	} else {
+		err = email.Send(smtpServer, auth)
+	}
+	if err != nil {
+		log.Fatalf("Failed to send email: %v", err)
+	}
+
+	return nil
 }
 
 func PathExists(path string) (bool, error) {
@@ -36,75 +90,28 @@ func PathExists(path string) (bool, error) {
 }
 
 func main() {
-	// 判断配置文件是否存在
-	INIFILE := GetCurrentDirectory() + "/" + "gomail.ini"
-	b, _ := PathExists(INIFILE)
-
-	if !b {
-		INIFILE = "/etc/gomail.ini"
+	configFile := getConfigFilePath()
+	inifile, _ := PathExists(configFile)
+	if !inifile {
+		configFile = "/etc/gomail.ini"
 	}
 
-	// 读取配置文件
-	cfg, inierr := ini.Load(INIFILE)
-	if inierr != nil {
-		fmt.Printf("Fail to read file: %v", inierr)
-		os.Exit(1)
-	}
+	config := readConfig(configFile)
 
-	SEND_MAIL := cfg.Section("global").Key("SEND_MAIL").String()
-	MAIL_KEY := cfg.Section("global").Key("MAIL_KEY").String()
-	SMTP_SERVER := cfg.Section("global").Key("SMTP_SERVER").String()
-
-	Text := flag.String("t", "", "文本")
-	Subject := flag.String("s", "", "主题")
-	is_Attac := flag.String("a", "", "添加附件")
-	To := flag.String("r", "", "接收者邮箱")
+	text := flag.String("t", "", "文本")
+	subject := flag.String("s", "", "主题")
+	attachment := flag.String("a", "", "添加附件")
+	recipients := flag.String("r", "", "接收者邮箱")
 	flag.Parse()
 
-	// 依据空格分割字符串取得接收者
-	strHaiCoder := *To
-	TO := strings.Fields(strHaiCoder)
-	fmt.Println("TO =", TO)
+	recipientsList := strings.Fields(*recipients)
+	fmt.Println("TO =", recipientsList)
 
-	// 简单设置 log 参数
-	log.SetFlags(log.Lshortfile | log.LstdFlags)
+	email := createEmail(config.SenderEmail, recipientsList, *subject, *text, *attachment)
 
-	e := email.NewEmail()
-	// 设置 sender 发送方 的邮箱 ， 此处可以填写自己的邮箱
-	e.From = SEND_MAIL
-
-	// 设置 receiver 接收方 的邮箱  此处也可以填写自己的邮箱， 就是自己发邮件给自己
-	e.To = TO
-
-	// 设置主题
-	e.Subject = *Subject
-
-	// 简单设置文件发送的内容，暂时设置成纯文本
-	e.Text = []byte(*Text)
-
-	// 附件
-	if is_Attac != nil {
-		e.AttachFile(*is_Attac)
-	}
-
-	host_sign := strings.Index(SMTP_SERVER, ":")
-	SMTP_SERVER_Host := SMTP_SERVER[0:(len(SMTP_SERVER) - len(SMTP_SERVER[host_sign:]))]
-	SMTP_SERVER_Port := SMTP_SERVER[host_sign+1:]
-
-	auth := smtp.PlainAuth("", SEND_MAIL, MAIL_KEY, SMTP_SERVER_Host)
-
-	if SMTP_SERVER_Port != "25" {
-		fmt.Println("SSL mode")
-		err := e.SendWithTLS(SMTP_SERVER, auth, &tls.Config{ServerName: SMTP_SERVER_Host})
-		if err != nil {
-			log.Fatal(err)
-		}
-
-	} else {
-		err := e.Send(SMTP_SERVER, auth)
-		if err != nil {
-			log.Fatal(err)
-		}
+	err := sendEmail(email, config.SMTPServer, config.SenderEmail, config.EmailPassword)
+	if err != nil {
+		log.Fatalf("Failed to send email: %v", err)
 	}
 
 	log.Println("send successfully ... ")