diff --git a/transport/internet/kcp/kcp.go b/transport/internet/kcp/kcp.go
index 39985a97..3e806f1e 100644
--- a/transport/internet/kcp/kcp.go
+++ b/transport/internet/kcp/kcp.go
@@ -151,7 +151,7 @@ func (kcp *KCP) Input(data []byte) int {
 			kcp.lastPayloadTime = kcp.current
 		case *AckSegment:
 			kcp.HandleOption(seg.Opt)
-			kcp.sendingWorker.ProcessAckSegment(seg)
+			kcp.sendingWorker.ProcessSegment(seg)
 			kcp.lastPayloadTime = kcp.current
 		case *CmdOnlySegment:
 			kcp.HandleOption(seg.Opt)
diff --git a/transport/internet/kcp/sending.go b/transport/internet/kcp/sending.go
index 97cb3fbe..e08bfeb4 100644
--- a/transport/internet/kcp/sending.go
+++ b/transport/internet/kcp/sending.go
@@ -273,7 +273,7 @@ func (this *SendingWorker) ProcessAck(number uint32) {
 	this.FindFirstUnacknowledged()
 }
 
-func (this *SendingWorker) ProcessAckSegment(seg *AckSegment) {
+func (this *SendingWorker) ProcessSegment(seg *AckSegment) {
 	if this.remoteNextNumber < seg.ReceivingWindow {
 		this.remoteNextNumber = seg.ReceivingWindow
 	}