diff --git a/worldsrv/tournament.go b/worldsrv/tournament.go
index be514e9..31ce55b 100644
--- a/worldsrv/tournament.go
+++ b/worldsrv/tournament.go
@@ -1616,7 +1616,8 @@ func (this *Tournament) FixMatchTimeStamp(d *webapiproto.GameMatchDate) {
 	for _, v := range d.MatchTimeWeek {
 		if v == int32(week) {
 			stSub := st.Unix() - nowtool.New(st).BeginningOfDay().Unix()
-			sub := d.MatchTimeStamp[1] - d.MatchTimeStamp[0]
+			etSub := et.Unix() - nowtool.New(et).BeginningOfDay().Unix()
+			sub := etSub - stSub
 			d.MatchTimeStamp[0] = nowtool.New(bTs).BeginningOfDay().Add(time.Duration(stSub) * time.Second).Unix()
 			d.MatchTimeStamp[1] = d.MatchTimeStamp[0] + sub