diff --git a/services/red_envelope/red_envelop.go b/services/red_envelope/red_envelop.go
index fd9bffd..659ce31 100644
--- a/services/red_envelope/red_envelop.go
+++ b/services/red_envelope/red_envelop.go
@@ -50,7 +50,7 @@ const (
 )
 
 func GenRedPack(amount, num int) []int {
-	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+	r := rand.New(rand.NewSource(time.Now().Unix()))
 	sumMoney := 0
 	redPacks := make([]int, 0)
 	for i := 0; i < num; i++ {
@@ -82,7 +82,7 @@ func GenRedPack(amount, num int) []int {
 func GenRedEnvelope(aid int64, name string, rid int64, rule *models.ShakeRedEnvelopeRule) error {
 	// 判断红包是否存在
 	// 根据算法提前生成红包
-	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+	r := rand.New(rand.NewSource(time.Now().Unix()))
 	if rule.Model == define.SHAKERB_RULE_RANDOM { // 随机红包
 		// 检测红包是否存在
 		randSum := int(rule.RandSum * 100)
diff --git a/utils/utils.go b/utils/utils.go
index 792c5f8..5ff6e77 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -114,8 +114,8 @@ func RandomStr(length int) string {
 	str := "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
 	bytes := []byte(str)
 	var result []byte
-	r := rand.New(rand.NewSource(time.Now().UnixNano()))
 	for i := 0; i < length; i++ {
+		r := rand.New(rand.NewSource(time.Now().UnixNano() + int64(i) + int64(time.Now().Nanosecond())))
 		result = append(result, bytes[r.Intn(len(bytes))])
 	}
 	return string(result)
@@ -125,8 +125,9 @@ func RandomInt(length int) int {
 	str := "0123456789"
 	bytes := []byte(str)
 	var result []byte
-	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+
 	for i := 0; i < length; {
+		r := rand.New(rand.NewSource(time.Now().UnixNano() + int64(i) + int64(time.Now().Nanosecond())))
 		b := bytes[r.Intn(len(bytes))]
 		if i == 0 && b == '0' {
 			continue