diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6ebc07e0b..dae674020 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -197,7 +197,9 @@ jobs:
       - name: Run SRS blackbox-test
         run: |
           docker run --rm -w /srs/trunk/3rdparty/srs-bench srs:test \
-            ./objs/srs_blackbox_test -test.v -test.parallel 64
+            ./objs/srs_blackbox_test -test.v -test.run '^TestFast' -test.parallel 64
+          docker run --rm -w /srs/trunk/3rdparty/srs-bench srs:test \
+            ./objs/srs_blackbox_test -test.v -test.run '^TestSlow' -test.parallel 2
     runs-on: ubuntu-20.04
 
   coverage:
diff --git a/trunk/3rdparty/srs-bench/blackbox/hevc_test.go b/trunk/3rdparty/srs-bench/blackbox/hevc_test.go
index 9207557a4..8e66526ae 100644
--- a/trunk/3rdparty/srs-bench/blackbox/hevc_test.go
+++ b/trunk/3rdparty/srs-bench/blackbox/hevc_test.go
@@ -34,7 +34,7 @@ import (
 	"time"
 )
 
-func TestRtmpPublish_RtmpPlay_HEVC_Basic(t *testing.T) {
+func TestSlow_RtmpPublish_RtmpPlay_HEVC_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -124,7 +124,7 @@ func TestRtmpPublish_RtmpPlay_HEVC_Basic(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_HttpFlvPlay_HEVC_Basic(t *testing.T) {
+func TestSlow_RtmpPublish_HttpFlvPlay_HEVC_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -221,7 +221,7 @@ func TestRtmpPublish_HttpFlvPlay_HEVC_Basic(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_HttpTsPlay_HEVC_Basic(t *testing.T) {
+func TestSlow_RtmpPublish_HttpTsPlay_HEVC_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -317,7 +317,7 @@ func TestRtmpPublish_HttpTsPlay_HEVC_Basic(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_HlsPlay_HEVC_Basic(t *testing.T) {
+func TestSlow_RtmpPublish_HlsPlay_HEVC_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -375,11 +375,11 @@ func TestRtmpPublish_HlsPlay_HEVC_Basic(t *testing.T) {
 	}()
 
 	// Start FFprobe to detect and verify stream.
-	duration := time.Duration(*srsFFprobeDuration) * time.Millisecond
+	duration := time.Duration(*srsFFprobeDuration) * time.Millisecond * 2
 	ffprobe := NewFFprobe(func(v *ffprobeClient) {
 		v.dvrFile = path.Join(svr.WorkDir(), "objs", fmt.Sprintf("srs-ffprobe-%v.ts", streamID))
 		v.streamURL = fmt.Sprintf("http://localhost:%v/live/%v.m3u8", svr.HTTPPort(), streamID)
-		v.duration, v.timeout = duration, time.Duration(*srsFFprobeTimeout)*time.Millisecond
+		v.duration, v.timeout = duration, time.Duration(*srsFFprobeTimeout)*time.Millisecond * 2
 	})
 	wg.Add(1)
 	go func() {
diff --git a/trunk/3rdparty/srs-bench/blackbox/hls_test.go b/trunk/3rdparty/srs-bench/blackbox/hls_test.go
index 6117f1f6f..c4ec72401 100644
--- a/trunk/3rdparty/srs-bench/blackbox/hls_test.go
+++ b/trunk/3rdparty/srs-bench/blackbox/hls_test.go
@@ -33,7 +33,7 @@ import (
 	"time"
 )
 
-func TestRtmpPublish_HlsPlay_Basic(t *testing.T) {
+func TestFast_RtmpPublish_HlsPlay_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
diff --git a/trunk/3rdparty/srs-bench/blackbox/mp3_test.go b/trunk/3rdparty/srs-bench/blackbox/mp3_test.go
index c5adc18c1..3960a93c4 100644
--- a/trunk/3rdparty/srs-bench/blackbox/mp3_test.go
+++ b/trunk/3rdparty/srs-bench/blackbox/mp3_test.go
@@ -33,7 +33,7 @@ import (
 	"time"
 )
 
-func TestRtmpPublish_RtmpPlay_CodecMP3_Basic(t *testing.T) {
+func TestFast_RtmpPublish_RtmpPlay_CodecMP3_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -117,7 +117,7 @@ func TestRtmpPublish_RtmpPlay_CodecMP3_Basic(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_HttpFlvPlay_CodecMP3_Basic(t *testing.T) {
+func TestFast_RtmpPublish_HttpFlvPlay_CodecMP3_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -208,7 +208,7 @@ func TestRtmpPublish_HttpFlvPlay_CodecMP3_Basic(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_HttpMp3Play_CodecMP3_Basic(t *testing.T) {
+func TestFast_RtmpPublish_HttpMp3Play_CodecMP3_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -296,7 +296,7 @@ func TestRtmpPublish_HttpMp3Play_CodecMP3_Basic(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_HttpTsPlay_CodecMP3_Basic(t *testing.T) {
+func TestFast_RtmpPublish_HttpTsPlay_CodecMP3_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -384,7 +384,7 @@ func TestRtmpPublish_HttpTsPlay_CodecMP3_Basic(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_HlsPlay_CodecMP3_Basic(t *testing.T) {
+func TestFast_RtmpPublish_HlsPlay_CodecMP3_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
diff --git a/trunk/3rdparty/srs-bench/blackbox/rtmp_test.go b/trunk/3rdparty/srs-bench/blackbox/rtmp_test.go
index 47d60bd2a..b1e1e9a1a 100644
--- a/trunk/3rdparty/srs-bench/blackbox/rtmp_test.go
+++ b/trunk/3rdparty/srs-bench/blackbox/rtmp_test.go
@@ -33,7 +33,7 @@ import (
 	"time"
 )
 
-func TestRtmpPublish_RtmpPlay_Basic(t *testing.T) {
+func TestFast_RtmpPublish_RtmpPlay_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -110,7 +110,7 @@ func TestRtmpPublish_RtmpPlay_Basic(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_HttpFlvPlay_Basic(t *testing.T) {
+func TestFast_RtmpPublish_HttpFlvPlay_Basic(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -193,7 +193,7 @@ func TestRtmpPublish_HttpFlvPlay_Basic(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_RtmpPlay_ChunkSize128(t *testing.T) {
+func TestFast_RtmpPublish_RtmpPlay_ChunkSize128(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()
 
@@ -274,7 +274,7 @@ func TestRtmpPublish_RtmpPlay_ChunkSize128(t *testing.T) {
 	}
 }
 
-func TestRtmpPublish_RtmpPlay_EnableATC(t *testing.T) {
+func TestFast_RtmpPublish_RtmpPlay_EnableATC(t *testing.T) {
 	// This case is run in parallel.
 	t.Parallel()