diff --git a/proxy/freedom/freedom.go b/proxy/freedom/freedom.go
index 9e6afc9d..29621c0e 100644
--- a/proxy/freedom/freedom.go
+++ b/proxy/freedom/freedom.go
@@ -219,10 +219,12 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		defer timer.SetTimeout(plcy.Timeouts.UplinkOnly)
 		if destination.Network == net.Network_TCP {
 			var writeConn net.Conn
+			var inTimer *signal.ActivityTimer
 			if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Conn != nil && useSplice {
 				writeConn = inbound.Conn
+				inTimer = inbound.Timer
 			}
-			return proxy.CopyRawConnIfExist(ctx, conn, writeConn, link.Writer, timer)
+			return proxy.CopyRawConnIfExist(ctx, conn, writeConn, link.Writer, timer, inTimer)
 		}
 		reader := NewPacketReader(conn, UDPOverride)
 		if err := buf.Copy(reader, output, buf.UpdateActivity(timer)); err != nil {
diff --git a/proxy/proxy.go b/proxy/proxy.go
index ba909197..db920510 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -470,7 +470,7 @@ func UnwrapRawConn(conn net.Conn) (net.Conn, stats.Counter, stats.Counter) {
 // CopyRawConnIfExist use the most efficient copy method.
 // - If caller don't want to turn on splice, do not pass in both reader conn and writer conn
 // - writer are from *transport.Link
-func CopyRawConnIfExist(ctx context.Context, readerConn net.Conn, writerConn net.Conn, writer buf.Writer, timer *signal.ActivityTimer) error {
+func CopyRawConnIfExist(ctx context.Context, readerConn net.Conn, writerConn net.Conn, writer buf.Writer, timer *signal.ActivityTimer, inTimer *signal.ActivityTimer) error {
 	readerConn, readCounter, _ := UnwrapRawConn(readerConn)
 	writerConn, _, writeCounter := UnwrapRawConn(writerConn)
 	reader := buf.NewReader(readerConn)
@@ -510,6 +510,9 @@ func CopyRawConnIfExist(ctx context.Context, readerConn net.Conn, writerConn net
 			//runtime.Gosched() // necessary
 			time.Sleep(time.Millisecond) // without this, there will be a rare ssl error for freedom splice
 			timer.SetTimeout(8 * time.Hour) // prevent leak, just in case
+			if inTimer != nil {
+				inTimer.SetTimeout(8 * time.Hour)
+			}
 			w, err := tc.ReadFrom(readerConn)
 			if readCounter != nil {
 				readCounter.Add(w) // outbound stats
diff --git a/proxy/vless/encoding/encoding.go b/proxy/vless/encoding/encoding.go
index cb558584..5954746e 100644
--- a/proxy/vless/encoding/encoding.go
+++ b/proxy/vless/encoding/encoding.go
@@ -179,8 +179,10 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer *signal.ActivityTimer,
 		for {
 			if trafficState.ReaderSwitchToDirectCopy {
 				var writerConn net.Conn
+				var inTimer *signal.ActivityTimer
 				if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Conn != nil {
 					writerConn = inbound.Conn
+					inTimer = inbound.Timer
 					if inbound.CanSpliceCopy == 2 {
 						inbound.CanSpliceCopy = 1
 					}
@@ -188,7 +190,7 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer *signal.ActivityTimer,
 						ob.CanSpliceCopy = 1
 					}
 				}
-				return proxy.CopyRawConnIfExist(ctx, conn, writerConn, writer, timer)
+				return proxy.CopyRawConnIfExist(ctx, conn, writerConn, writer, timer, inTimer)
 			}
 			buffer, err := reader.ReadMultiBuffer()
 			if !buffer.IsEmpty() {
diff --git a/proxy/vless/inbound/inbound.go b/proxy/vless/inbound/inbound.go
index d44b8c09..1b31751c 100644
--- a/proxy/vless/inbound/inbound.go
+++ b/proxy/vless/inbound/inbound.go
@@ -502,6 +502,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 	sessionPolicy = h.policyManager.ForLevel(request.User.Level)
 	ctx, cancel := context.WithCancel(ctx)
 	timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)
+	inbound.Timer = timer
 	ctx = policy.ContextWithBufferPolicy(ctx, sessionPolicy.Buffer)
 
 	link, err := dispatcher.Dispatch(ctx, request.Destination())