diff --git a/app/dns/server/nameserver.go b/app/dns/server/nameserver.go
index 067d7a722..e413472ac 100644
--- a/app/dns/server/nameserver.go
+++ b/app/dns/server/nameserver.go
@@ -84,7 +84,7 @@ func (v *UDPNameServer) AssignUnusedID(response chan<- *ARecord) uint16 {
 	}
 
 	for {
-		id = dice.RandomUint16()
+		id = dice.RollUint16()
 		if _, found := v.requests[id]; found {
 			continue
 		}
diff --git a/common/dice/dice.go b/common/dice/dice.go
index 8ffc1d28a..014f4c0de 100644
--- a/common/dice/dice.go
+++ b/common/dice/dice.go
@@ -15,8 +15,8 @@ func Roll(n int) int {
 	return rand.Intn(n)
 }
 
-// RandomUint16 returns a random uint16 value.
-func RandomUint16() uint16 {
+// RollUint16 returns a random uint16 value.
+func RollUint16() uint16 {
 	return uint16(rand.Intn(65536))
 }
 
diff --git a/transport/internet/headers/srtp/srtp.go b/transport/internet/headers/srtp/srtp.go
index 0dffab54b..8a40d9c80 100644
--- a/transport/internet/headers/srtp/srtp.go
+++ b/transport/internet/headers/srtp/srtp.go
@@ -28,7 +28,7 @@ func (s *SRTP) Write(b []byte) (int, error) {
 func NewSRTP(ctx context.Context, config interface{}) (interface{}, error) {
 	return &SRTP{
 		header: 0xB5E8,
-		number: dice.RandomUint16(),
+		number: dice.RollUint16(),
 	}, nil
 }
 
diff --git a/transport/internet/headers/utp/utp.go b/transport/internet/headers/utp/utp.go
index ec335eab2..4d8b8189d 100644
--- a/transport/internet/headers/utp/utp.go
+++ b/transport/internet/headers/utp/utp.go
@@ -31,7 +31,7 @@ func NewUTP(ctx context.Context, config interface{}) (interface{}, error) {
 	return &UTP{
 		header:       1,
 		extension:    0,
-		connectionId: dice.RandomUint16(),
+		connectionId: dice.RollUint16(),
 	}, nil
 }
 
diff --git a/transport/internet/headers/wechat/wechat.go b/transport/internet/headers/wechat/wechat.go
index 52edb9f8a..ebc62571c 100644
--- a/transport/internet/headers/wechat/wechat.go
+++ b/transport/internet/headers/wechat/wechat.go
@@ -27,7 +27,7 @@ func (vc *VideoChat) Write(b []byte) (int, error) {
 
 func NewVideoChat(ctx context.Context, config interface{}) (interface{}, error) {
 	return &VideoChat{
-		sn: int(dice.RandomUint16()),
+		sn: int(dice.RollUint16()),
 	}, nil
 }
 
diff --git a/transport/internet/kcp/dialer.go b/transport/internet/kcp/dialer.go
index f6d390f6b..16f9db0ef 100644
--- a/transport/internet/kcp/dialer.go
+++ b/transport/internet/kcp/dialer.go
@@ -18,7 +18,7 @@ import (
 )
 
 var (
-	globalConv = uint32(dice.RandomUint16())
+	globalConv = uint32(dice.RollUint16())
 )
 
 type ClientConnection struct {
diff --git a/v2ray_test.go b/v2ray_test.go
index 70011eb1f..020231117 100644
--- a/v2ray_test.go
+++ b/v2ray_test.go
@@ -20,7 +20,7 @@ import (
 func TestV2RayClose(t *testing.T) {
 	assert := assert.On(t)
 
-	port := v2net.Port(dice.RandomUint16())
+	port := v2net.Port(dice.RollUint16())
 	config := &Config{
 		Inbound: []*proxyman.InboundHandlerConfig{
 			{