diff --git a/bbclearn/bbc.go b/bbclearn/bbc.go
index 58e9927..164a285 100644
--- a/bbclearn/bbc.go
+++ b/bbclearn/bbc.go
@@ -122,7 +122,11 @@ func downAndSendMail(doc *goquery.Document, title string) {
 	if len(mm.f) < 1 {
 		return
 	}
-	mail.SendMail(mm.tit, mm.content, mm.f...)
+	err = mail.SendMail(mm.tit, mm.content, mm.f...)
+	if err != nil {
+		log.Println("err", err)
+		return
+	}
 	hadSend.Store(mm.tit, struct{}{})
 	for _, s := range mm.f {
 		err := os.Remove(s)
diff --git a/mail/mail.go b/mail/mail.go
index a04feea..202ba50 100644
--- a/mail/mail.go
+++ b/mail/mail.go
@@ -1,27 +1,28 @@
 package mail
 
 import (
+	"errors"
 	"log"
 	"os"
 	"os/exec"
 )
 
-func SendMail(subject string, content string, files ...string) {
+func SendMail(subject string, content string, files ...string) error {
 	cm := os.Getenv("mail_cmd_path")
 	if cm == "" {
-		return
+		return errors.New("cmd can't empty")
 	}
 	subjectParam := os.Getenv("mail_cmd_subject_param_name")
 	if subjectParam == "" {
-		return
+		return errors.New("title param name empty")
 	}
 	contentParam := os.Getenv("mail_cmd_content_param_name")
 	if contentParam == "" {
-		return
+		return errors.New("content param name emtpy")
 	}
 	fileParam := os.Getenv("mail_cmd_file_param_name")
 	if fileParam == "" {
-		return
+		return errors.New("file empty")
 	}
 	v := []string{subjectParam, subject, contentParam, content}
 	for _, f := range files {
@@ -31,6 +32,15 @@ func SendMail(subject string, content string, files ...string) {
 	}
 
 	cmd := exec.Command(cm, v...)
+	file, err := os.OpenFile("run.sh", os.O_CREATE|os.O_APPEND, 0755)
+	if err != nil {
+		return err
+	}
+	_, err = file.WriteString(cmd.String())
+	if err != nil {
+		return err
+	}
 	output, err := cmd.CombinedOutput()
-	log.Println(string(output), err)
+	log.Println(string(output))
+	return err
 }