diff --git a/server/mailserver/mail/mailmgr.go b/server/mailserver/mail/mailmgr.go
index 39285145..72109dd6 100644
--- a/server/mailserver/mail/mailmgr.go
+++ b/server/mailserver/mail/mailmgr.go
@@ -139,10 +139,7 @@ func (this *mailMgr) addMail(m *mail) {
 		this.groupMails.Store(m.mailId, m)
 	} else if m.isType(constant.MAIL_TYPE_PERSONAL) {
 		if hum, ok := this.personalMails.Load(m.reciver); ok {
-			(hum.(*sync.Map)).Range(
-				func (k, v interface{}) bool {
-					return true
-				})
+			(hum.(*sync.Map)).Store(m.mailId, m)
 		} else {
 			p := new(sync.Map)
 			p.Store(m.mailId, m)