diff --git a/server/mailserver/mail/mail.go b/server/mailserver/mail/mail.go
index 1d577ed0..e4e50ee4 100644
--- a/server/mailserver/mail/mail.go
+++ b/server/mailserver/mail/mail.go
@@ -3,7 +3,7 @@ package mail
 import (
 	"f5"
 	"sync"
-	//"main/common"
+	"main/common"
 	//"main/constant"
 	//"q5"
 	//"strings"
@@ -40,6 +40,10 @@ func (this *mail) isType(mailType int32) bool {
 	return this.mailType == mailType
 }
 
+func (this *mail) isValid(hum common.Player) bool {
+	return true
+}
+
 func newMail() *mail {
 	p := new(mail)
 	p.init()