diff --git a/src/server/GoUtil/sliceUtil.go b/src/server/GoUtil/sliceUtil.go
index 0d639685..09ac9938 100644
--- a/src/server/GoUtil/sliceUtil.go
+++ b/src/server/GoUtil/sliceUtil.go
@@ -271,3 +271,14 @@ func IsContain(s []int, s2 []int) bool {
 	}
 	return true
 }
+
+func IsSameElem(s []int) bool {
+	r := make(map[int]struct{})
+	for _, v := range s {
+		if _, ok := r[v]; ok {
+			return true
+		}
+		r[v] = struct{}{}
+	}
+	return false
+}
diff --git a/src/server/game/UnitTest.go b/src/server/game/UnitTest.go
index 8ec674da..e48796f8 100644
--- a/src/server/game/UnitTest.go
+++ b/src/server/game/UnitTest.go
@@ -134,3 +134,11 @@ func UnitLimitedTimeEvent(p *Player) error {
 	}
 	return nil
 }
+
+func UnitCard(p *Player) error {
+	CardMod := p.PlayMod.getCardMod()
+	for i := 0; i < 1000; i++ {
+		CardMod.OpenCardPack(4)
+	}
+	return nil
+}
diff --git a/src/server/game/mod/card/Card.go b/src/server/game/mod/card/Card.go
index 6d6eb726..465bb8cb 100644
--- a/src/server/game/mod/card/Card.go
+++ b/src/server/game/mod/card/Card.go
@@ -157,9 +157,8 @@ func (c *CardMod) OpenCardPack(Star int) ([]int, error) {
 	}
 
 	mustHaveStar := cardCfg.GetPackMustHave(Star)
-
 	if mustHaveStar != 0 {
-		cardId = randCard(c.Round, mustHaveStar, 0)
+		cardId = randCard(c.Round, mustHaveStar, 0, newCard)
 		if cardId == 0 {
 			return newCard, fmt.Errorf("OpenCardPack card id err")
 		}
@@ -177,11 +176,11 @@ func (c *CardMod) OpenCardPack(Star int) ([]int, error) {
 		CardStar := GoUtil.RandMap(randList)
 		switch CardStar {
 		case 5:
-			cardId = randCard(c.Round, 4, 1)
+			cardId = randCard(c.Round, 4, 1, newCard)
 		case 6:
-			cardId = randCard(c.Round, 5, 1)
+			cardId = randCard(c.Round, 5, 1, newCard)
 		default:
-			cardId = randCard(c.Round, CardStar, 0)
+			cardId = randCard(c.Round, CardStar, 0, newCard)
 		}
 		if cardId == 0 {
 			return newCard, fmt.Errorf("OpenCardPack card id err")
@@ -539,7 +538,7 @@ func (c *CardMod) GetHandbookReward(CardId int) ([]*item.Item, error) {
 }
 
 func (c *CardMod) RandCard(Star int) int {
-	return randCard(c.Round, Star, 0)
+	return randCard(c.Round, Star, 0, []int{})
 }
 
 func (c *CardMod) SeasonFirstReward() ([]*item.Item, error) {
diff --git a/src/server/game/mod/card/CardFunc.go b/src/server/game/mod/card/CardFunc.go
index 49990000..26bf2b50 100644
--- a/src/server/game/mod/card/CardFunc.go
+++ b/src/server/game/mod/card/CardFunc.go
@@ -5,12 +5,15 @@ import (
 	cardCfg "server/conf/card"
 )
 
-func randCard(Round, Star, IsGold int) int {
+func randCard(Round, Star, IsGold int, Except []int) int {
 	cardList := cardCfg.GetCardListByStar(Round, Star, IsGold)
+	cardList = GoUtil.SubSlices(cardList, Except)
 	cardId := GoUtil.RandSlice(cardList)
 	return cardId
 }
 
 func RankGoldCard() (int, int) {
-	return randCard(0, 4, 1), randCard(0, 5, 1)
+	Card1 := randCard(0, 4, 1, []int{})
+	Card2 := randCard(0, 5, 1, []int{Card1})
+	return Card1, Card2
 }