diff --git a/transport/tuic/protocol.go b/transport/tuic/protocol.go
index f7456e95..f7b85a23 100644
--- a/transport/tuic/protocol.go
+++ b/transport/tuic/protocol.go
@@ -349,7 +349,7 @@ func NewHeartbeat() Heartbeat {
 	}
 }
 
-func ReadHeartbeatWithHead(head CommandHead, reader BufferedReader) (c Response, err error) {
+func ReadHeartbeatWithHead(head CommandHead, reader BufferedReader) (c Heartbeat, err error) {
 	c.CommandHead = head
 	if c.CommandHead.TYPE != HeartbeatType {
 		err = fmt.Errorf("error command type: %s", c.CommandHead.TYPE)
@@ -357,7 +357,7 @@ func ReadHeartbeatWithHead(head CommandHead, reader BufferedReader) (c Response,
 	return
 }
 
-func ReadHeartbeat(reader BufferedReader) (c Response, err error) {
+func ReadHeartbeat(reader BufferedReader) (c Heartbeat, err error) {
 	head, err := ReadCommandHead(reader)
 	if err != nil {
 		return
diff --git a/transport/tuic/server.go b/transport/tuic/server.go
index 07b4c6c1..78344589 100644
--- a/transport/tuic/server.go
+++ b/transport/tuic/server.go
@@ -261,6 +261,13 @@ func (s *serverHandler) handleUniStream() (err error) {
 					writeClosed := v.(*atomic.Bool)
 					writeClosed.Store(true)
 				}
+			case HeartbeatType:
+				var heartbeat Heartbeat
+				heartbeat, err = ReadHeartbeatWithHead(commandHead, reader)
+				if err != nil {
+					return
+				}
+				heartbeat.BytesLen()
 			}
 			return
 		}()