diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 814b9fa3a..fba3b3737 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -8,6 +8,7 @@ The changelog for SRS.
 
 ## SRS 4.0 Changelog
 
+* v4.0, 2021-10-12, Merge [#2549](https://github.com/ossrs/srs/pull/2549): Fix duration issue for HLS on_hls. v4.0.176
 * v4.0, 2021-10-11, Fix [#1641](https://github.com/ossrs/srs/issues/1641), HLS/RTC picture corrupt for SPS/PPS lost. v4.0.175
 * v4.0, 2021-10-11, RTC: Refine config, aac to rtmp_to_rtc, bframe to keep_bframe. v4.0.174
 * v4.0, 2021-10-10, For [#1641](https://github.com/ossrs/srs/issues/1641), Support RTMP publish and play regression test. v4.0.173
diff --git a/trunk/scripts/git.commit.sh b/trunk/scripts/git.commit.sh
index fd83d907b..509da3c3c 100755
--- a/trunk/scripts/git.commit.sh
+++ b/trunk/scripts/git.commit.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
 
-for file in $(git remote); do echo ""; git push $file $@; done
+#for file in $(git remote); do echo ""; git push $file $@; done
+for file in $(git remote -v|grep -v https|grep push|awk '{print $1}'); do echo ""; echo "git push $file $@"; git push $file $@; done
 
diff --git a/trunk/src/app/srs_app_hls.cpp b/trunk/src/app/srs_app_hls.cpp
index 144045064..c2780e622 100644
--- a/trunk/src/app/srs_app_hls.cpp
+++ b/trunk/src/app/srs_app_hls.cpp
@@ -63,6 +63,17 @@ void SrsHlsSegment::config_cipher(unsigned char* key,unsigned char* iv)
     
     SrsEncFileWriter* fw = (SrsEncFileWriter*)writer;
     fw->config_cipher(key, iv);
+}
+
+srs_error_t SrsHlsSegment::rename()
+{
+    if (true) {
+        std::stringstream ss;
+        ss << srsu2msi(duration());
+        uri = srs_string_replace(uri, "[duration]", ss.str());
+    }
+
+    return SrsFragment::rename();
 }
 
 SrsDvrAsyncCallOnHls::SrsDvrAsyncCallOnHls(SrsContextId c, SrsRequest* r, string p, string t, string m, string mu, int s, srs_utime_t d)
@@ -607,6 +618,11 @@ srs_error_t SrsHlsMuxer::do_segment_close()
     bool matchMinDuration = current->duration() >= SRS_HLS_SEGMENT_MIN_DURATION;
     bool matchMaxDuration = current->duration() <= max_td * 2 * 1000;
     if (matchMinDuration && matchMaxDuration) {
+        // rename from tmp to real path
+        if ((err = current->rename()) != srs_success) {
+            return srs_error_wrap(err, "rename");
+        }
+        
         // use async to call the http hooks, for it will cause thread switch.
         if ((err = async->execute(new SrsDvrAsyncCallOnHls(_srs_context->get_id(), req, current->fullpath(),
             current->uri, m3u8, m3u8_url, current->sequence_no, current->duration()))) != srs_success) {
@@ -620,12 +636,7 @@ srs_error_t SrsHlsMuxer::do_segment_close()
         
         // close the muxer of finished segment.
         srs_freep(current->tscw);
-        
-        // rename from tmp to real path
-        if ((err = current->rename()) != srs_success) {
-            return srs_error_wrap(err, "rename");
-        }
-        
+
         segments->append(current);
         current = NULL;
     } else {
diff --git a/trunk/src/app/srs_app_hls.hpp b/trunk/src/app/srs_app_hls.hpp
index e8afe4db4..90b13736d 100644
--- a/trunk/src/app/srs_app_hls.hpp
+++ b/trunk/src/app/srs_app_hls.hpp
@@ -57,6 +57,8 @@ public:
     virtual ~SrsHlsSegment();
 public:
     void config_cipher(unsigned char* key,unsigned char* iv);
+    // replace the placeholder
+    virtual srs_error_t rename();
 };
 
 // The hls async call: on_hls
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index f95505861..013745cf5 100644
--- a/trunk/src/core/srs_core_version4.hpp
+++ b/trunk/src/core/srs_core_version4.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       4
 #define VERSION_MINOR       0
-#define VERSION_REVISION    175
+#define VERSION_REVISION    176
 
 #endif