diff --git a/trunk/3rdparty/srs-bench/blackbox/srt_test.go b/trunk/3rdparty/srs-bench/blackbox/srt_test.go
new file mode 100644
index 000000000..ab524b697
--- /dev/null
+++ b/trunk/3rdparty/srs-bench/blackbox/srt_test.go
@@ -0,0 +1,116 @@
+// The MIT License (MIT)
+//
+// # Copyright (c) 2023 Winlin
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+package blackbox
+
+import (
+	"context"
+	"fmt"
+	"github.com/ossrs/go-oryx-lib/errors"
+	"github.com/ossrs/go-oryx-lib/logger"
+	"math/rand"
+	"os"
+	"path"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestFast_SrtPublish_SrtPlay_Basic(t *testing.T) {
+	// This case is run in parallel.
+	t.Parallel()
+
+	// Setup the max timeout for this case.
+	ctx, cancel := context.WithTimeout(logger.WithContext(context.Background()), time.Duration(*srsTimeout)*time.Millisecond)
+	defer cancel()
+
+	// Check a set of errors.
+	var r0, r1, r2, r3, r4, r5, r6, r7 error
+	defer func(ctx context.Context) {
+		if err := filterTestError(ctx.Err(), r0, r1, r2, r3, r4, r5, r6, r7); err != nil {
+			t.Errorf("Fail for err %+v", err)
+		} else {
+			logger.Tf(ctx, "test done with err %+v", err)
+		}
+	}(ctx)
+
+	var wg sync.WaitGroup
+	defer wg.Wait()
+
+	// Start SRS server and wait for it to be ready.
+	svr := NewSRSServer(func(v *srsServer) {
+		v.envs = []string{
+			"SRS_SRT_SERVER_ENABLED=on",
+			"SRS_VHOST_SRT_ENABLED=on",
+		}
+	})
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		r0 = svr.Run(ctx, cancel)
+	}()
+
+	// Start FFmpeg to publish stream.
+	streamID := fmt.Sprintf("stream-%v-%v", os.Getpid(), rand.Int())
+	streamURL := fmt.Sprintf("srt://localhost:%v?streamid=#!::r=live/%v,m=publish", svr.SRTPort(), streamID)
+	ffmpeg := NewFFmpeg(func(v *ffmpegClient) {
+		v.args = []string{
+			"-stream_loop", "-1", "-re", "-i", *srsPublishAvatar, "-c", "copy",
+			"-pes_payload_size", "0", "-f", "mpegts", streamURL,
+		}
+	})
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		<-svr.ReadyCtx().Done()
+		r1 = ffmpeg.Run(ctx, cancel)
+	}()
+
+	// Start FFprobe to detect and verify stream.
+	duration := time.Duration(*srsFFprobeDuration) * time.Millisecond
+	ffprobe := NewFFprobe(func(v *ffprobeClient) {
+		v.dvrFile = path.Join(svr.WorkDir(), "objs", fmt.Sprintf("srs-ffprobe-%v.ts", streamID))
+		v.streamURL = fmt.Sprintf("srt://localhost:%v?streamid=#!::r=live/%v,m=request", svr.SRTPort(), streamID)
+		v.duration, v.timeout = duration, time.Duration(*srsFFprobeTimeout)*time.Millisecond
+	})
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		<-svr.ReadyCtx().Done()
+		r2 = ffprobe.Run(ctx, cancel)
+	}()
+
+	// Fast quit for probe done.
+	select {
+	case <-ctx.Done():
+	case <-ffprobe.ProbeDoneCtx().Done():
+		defer cancel()
+
+		str, m := ffprobe.Result()
+		if len(m.Streams) != 2 {
+			r3 = errors.Errorf("invalid streams=%v, %v, %v", len(m.Streams), m.String(), str)
+		}
+
+		// Note that SRT score is low, so we only check duration.
+		if dv := m.Duration(); dv < duration {
+			r5 = errors.Errorf("short duration=%v < %v, %v, %v", dv, duration, m.String(), str)
+		}
+	}
+}
diff --git a/trunk/3rdparty/srs-bench/blackbox/util.go b/trunk/3rdparty/srs-bench/blackbox/util.go
index 16afeabd8..c85508bf2 100644
--- a/trunk/3rdparty/srs-bench/blackbox/util.go
+++ b/trunk/3rdparty/srs-bench/blackbox/util.go
@@ -163,6 +163,8 @@ func (v *SRSPortAllocator) Allocate() int {
 		if _, ok := v.ports.LoadOrStore(port, true); !ok {
 			return port
 		}
+
+		time.Sleep(time.Duration(rand.Int()%1000) * time.Microsecond)
 	}
 
 	panic("Allocate port failed")
@@ -395,6 +397,8 @@ type SRSServer interface {
 	RTMPPort() int
 	// HTTPPort is the HTTP stream port.
 	HTTPPort() int
+	// SRTPort is the SRT UDP port.
+	SRTPort() int
 }
 
 // srsServer is a SRS server instance.
@@ -421,6 +425,8 @@ type srsServer struct {
 	apiListen int
 	// HTTP server listen port.
 	httpListen int
+	// SRT UDP server listen port.
+	srtListen int
 
 	// The envs from user.
 	envs []string
@@ -446,12 +452,14 @@ func NewSRSServer(opts ...func(v *srsServer)) SRSServer {
 	v.rtmpListen = allocator.Allocate()
 	v.apiListen = allocator.Allocate()
 	v.httpListen = allocator.Allocate()
+	v.srtListen = allocator.Allocate()
 
 	// Do cleanup.
 	v.process.onDispose = func(ctx context.Context, bs *backendService) error {
 		allocator.Free(v.rtmpListen)
 		allocator.Free(v.apiListen)
 		allocator.Free(v.httpListen)
+		allocator.Free(v.srtListen)
 
 		pidFile := path.Join(v.workDir, v.srsRelativePidFile)
 		if _, err := os.Stat(pidFile); err == nil {
@@ -491,6 +499,10 @@ func (v *srsServer) HTTPPort() int {
 	return v.httpListen
 }
 
+func (v *srsServer) SRTPort() int {
+	return v.srtListen
+}
+
 func (v *srsServer) WorkDir() string {
 	return v.workDir
 }
@@ -531,6 +543,8 @@ func (v *srsServer) Run(ctx context.Context, cancel context.CancelFunc) error {
 		fmt.Sprintf("SRS_LISTEN=%v", v.rtmpListen),
 		// Setup the HTTP sever listen port.
 		fmt.Sprintf("SRS_HTTP_SERVER_LISTEN=%v", v.httpListen),
+		// Setup the SRT server listen port.
+		fmt.Sprintf("SRS_SRT_SERVER_LISTEN=%v", v.srtListen),
 	}
 	// Rewrite envs by case.
 	if v.envs != nil {