diff --git a/server/mailserver/mail/mail.go b/server/mailserver/mail/mail.go
index fc71708a..7e7c8ddf 100644
--- a/server/mailserver/mail/mail.go
+++ b/server/mailserver/mail/mail.go
@@ -19,6 +19,7 @@ type mail struct {
 	sendTime int32
 	expireTime int32
 	attachments []*attachment
+	addresses map[string]int32
 }
 
 func (this *mail) Init() {
@@ -26,7 +27,7 @@ func (this *mail) Init() {
 }
 
 func newMail() *mail {
-	m := new(mail)
-	m.Init()
-	return m
+	p := new(mail)
+	p.Init()
+	return p
 }