diff --git a/src/server/game/gm_handler.go b/src/server/game/gm_handler.go
index 40d83e09..55584f52 100644
--- a/src/server/game/gm_handler.go
+++ b/src/server/game/gm_handler.go
@@ -134,6 +134,7 @@ func ReqGmCommand_(player *Player, Command string) error {
 	case "setSevenLoginActive":
 		num, _ := strconv.Atoi(arg[1])
 		player.PlayMod.getSevenLoginMod().Active = num
+		player.PushClientRes(player.PlayMod.getSevenLoginMod().BackData())
 	case "pay":
 		ChargeId, _ := strconv.Atoi(arg[1])
 		player.TeLog("pay", map[string]interface{}{
diff --git a/src/server/game/mail_mgr.go b/src/server/game/mail_mgr.go
index b233ce23..65feb1ef 100644
--- a/src/server/game/mail_mgr.go
+++ b/src/server/game/mail_mgr.go
@@ -57,7 +57,11 @@ func (m *MailMgr) Init() {
 }
 
 func (m *MailMgr) AddMail(msg *msg.Msg) (interface{}, error) {
-	ServerMail := msg.Extra.(*ServerMail)
+	ServerMail, ok := msg.Extra.(*ServerMail)
+	if !ok {
+		log.Error("AddMail error: invalid mail data")
+		return nil, nil
+	}
 	m.list[ServerMail.Id] = ServerMail
 	return nil, nil
 }
diff --git a/src/server/test/fix_test.go b/src/server/test/fix_test.go
index d2741964..c8a92a41 100644
--- a/src/server/test/fix_test.go
+++ b/src/server/test/fix_test.go
@@ -92,7 +92,8 @@ func TestFixUserData(t *testing.T) {
 func TestRandInt(t *testing.T) {
 	p1 := new(game.Player)
 	p1.InitPlayer("3625212")
-	p1.Charge(122)
+	SevenMod := p1.GetSevenLoginMod()
+	SevenMod.BackData()
 }
 
 func TestEndless(t *testing.T) {