diff --git a/worldsrv/action_phonelottery.go b/worldsrv/action_phonelottery.go
index 9dc64ff..7e9dab9 100644
--- a/worldsrv/action_phonelottery.go
+++ b/worldsrv/action_phonelottery.go
@@ -339,7 +339,7 @@ func (this *CSDiamondLotteryHandler) Process(s *netlib.Session, packetid int, da
 				}
 				if status {
 					//白名单从列表里获取奖励
-					id := rand.Intn(len(playerData.AwatdId)) + 1
+					id := rand.Intn(len(playerData.AwatdId))
 					awardId := playerData.AwatdId[id]
 					for _, lotteryInfo := range config.Info {
 						if lotteryInfo.Id == awardId {