diff --git a/main.go b/main.go
index 45dc336..796f6ac 100644
--- a/main.go
+++ b/main.go
@@ -46,6 +46,7 @@ func main() {
 		fmt.Printf("Fail to read file: %v", inierr)
 		os.Exit(1)
 	}
+
 	SEND_QQ := cfg.Section("global").Key("SEND_QQ").String()
 	MAIL_KEY := cfg.Section("global").Key("MAIL_KEY").String()
 	SMTP_SERVER := cfg.Section("global").Key("SMTP_SERVER").String()
@@ -77,8 +78,11 @@ func main() {
 		e.AttachFile(*is_Attac)
 	}
 
+	host_sign := strings.Index(SMTP_SERVER, ":")
+	SMTP_SERVER_Host := SMTP_SERVER[0:(len(SMTP_SERVER) - len(SMTP_SERVER[host_sign:]))]
+
 	//设置服务器相关的配置
-	err := e.Send(SMTP_SERVER, smtp.PlainAuth("", SEND_QQ, MAIL_KEY, "smtp.qq.com"))
+	err := e.Send(SMTP_SERVER, smtp.PlainAuth("", SEND_QQ, MAIL_KEY, SMTP_SERVER_Host))
 	if err != nil {
 		log.Fatal(err)
 	}