diff --git a/src/server/GoUtil/GoUtil.go b/src/server/GoUtil/GoUtil.go
index d64463c7..0d821157 100644
--- a/src/server/GoUtil/GoUtil.go
+++ b/src/server/GoUtil/GoUtil.go
@@ -300,3 +300,15 @@ func Rand6DigitNumber() string {
 	n := rand.Intn(1000000)
 	return fmt.Sprintf("%06d", n)
 }
+
+func UniqueInts(input []int) []int {
+	seen := make(map[int]struct{})
+	result := make([]int, 0, len(input))
+	for _, v := range input {
+		if _, ok := seen[v]; !ok {
+			seen[v] = struct{}{}
+			result = append(result, v)
+		}
+	}
+	return result
+}
diff --git a/src/server/game/RegisterNetworkFunc.go b/src/server/game/RegisterNetworkFunc.go
index d1484471..188b428c 100644
--- a/src/server/game/RegisterNetworkFunc.go
+++ b/src/server/game/RegisterNetworkFunc.go
@@ -3136,6 +3136,7 @@ func ReqPlayroomInfo(player *Player, buf []byte) error {
 				RandList = append(RandList, v)
 			}
 		}
+		RandList = GoUtil.UniqueInts(RandList)
 		if len(RandList) == 0 {
 			PlayroomMod.SetGameReward(0, 0, Star)
 		} else if len(RandList) == 1 {