diff --git a/src/server/game/mod/playroom/playroom.go b/src/server/game/mod/playroom/playroom.go
index 38901cca..d51b6e8a 100644
--- a/src/server/game/mod/playroom/playroom.go
+++ b/src/server/game/mod/playroom/playroom.go
@@ -345,6 +345,10 @@ func (p *PlayroomMod) Draw() (int, []*item.Item, error) {
 	if p.AllMood < 100 {
 		return 0, nil, fmt.Errorf("Draw AllMood < 100")
 	}
+	if p.JackpotNum == 0 {
+		return 0, nil, fmt.Errorf("Draw JackpotNum is 0")
+	}
+	p.JackpotNum--
 	p.AllMood = 0
 	ProbList := limitedTimeEventCfg.GetSenceJackpotProb()
 	Id := GoUtil.RandMap(ProbList)