diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index 628d3b25..ecb38246 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit 628d3b2527f63b54a5eb38b9e9973254d4a2192b
+Subproject commit ecb382460ffa2f6f5cdf1e11b394797e3396b2d0
diff --git a/src/Record/HlsMakerImp.cpp b/src/Record/HlsMakerImp.cpp
index 8fa9d4fd..88cd724f 100644
--- a/src/Record/HlsMakerImp.cpp
+++ b/src/Record/HlsMakerImp.cpp
@@ -56,21 +56,31 @@ HlsMakerImp::~HlsMakerImp() {
 }
 
 string HlsMakerImp::onOpenSegment(int index) {
-    auto full_path = fullPath(index);
-    _file = makeFile(full_path, true);
+    string segment_name , segment_path;
+    {
+        auto strDate = getTimeStr("%Y-%m-%d");
+        auto strTime = getTimeStr("%H-%M-%S");
+        segment_name = StrPrinter << strDate + "/" + strTime << "_" << index << ".ts";
+        segment_path = _path_prefix + "/" +  segment_name;
+        _segment_file_paths.emplace(index,segment_path);
+    }
+    _file = makeFile(segment_path, true);
     if(!_file){
-        WarnL << "create file falied," << full_path << " " <<  get_uv_errmsg();
+        WarnL << "create file falied," << segment_path << " " <<  get_uv_errmsg();
     }
-    //DebugL << index << " " << full_path;
     if(_params.empty()){
-        return StrPrinter << index << ".ts";
+        return std::move(segment_name);
     }
-    return StrPrinter << index << ".ts" << "?" << _params;
+    return std::move(segment_name + "?" + _params);
 }
 
 void HlsMakerImp::onDelSegment(int index) {
-    //WarnL << index;
-    File::delete_file(fullPath(index).data());
+    auto it = _segment_file_paths.find(index);
+    if(it == _segment_file_paths.end()){
+        return;
+    }
+    File::delete_file(it->second.data());
+    _segment_file_paths.erase(it);
 }
 
 void HlsMakerImp::onWriteSegment(const char *data, int len) {
@@ -90,9 +100,6 @@ void HlsMakerImp::onWriteHls(const char *data, int len) {
     //DebugL << "\r\n"  << string(data,len);
 }
 
-string HlsMakerImp::fullPath(int index) {
-    return StrPrinter << _path_prefix << "/" << index << ".ts";
-}
 
 std::shared_ptr<FILE> HlsMakerImp::makeFile(const string &file,bool setbuf) {
     auto ret= shared_ptr<FILE>(File::createfile_file(file.data(), "wb"), [](FILE *fp) {
diff --git a/src/Record/HlsMakerImp.h b/src/Record/HlsMakerImp.h
index 55637fd8..ece0213a 100644
--- a/src/Record/HlsMakerImp.h
+++ b/src/Record/HlsMakerImp.h
@@ -49,9 +49,9 @@ protected:
     void onWriteSegment(const char *data, int len) override;
     void onWriteHls(const char *data, int len) override;
 private:
-    string fullPath(int index);
     std::shared_ptr<FILE> makeFile(const string &file,bool setbuf = false);
 private:
+    map<int /*index*/,string/*file_path*/> _segment_file_paths;
     std::shared_ptr<FILE> _file;
     std::shared_ptr<char> _file_buf;
     string _path_prefix;
diff --git a/src/Record/MP4Recorder.cpp b/src/Record/MP4Recorder.cpp
index e0332a56..a92f3fde 100644
--- a/src/Record/MP4Recorder.cpp
+++ b/src/Record/MP4Recorder.cpp
@@ -29,30 +29,12 @@
 #include <sys/stat.h>
 #include "Common/config.h"
 #include "MP4Recorder.h"
-#include "Util/util.h"
-#include "Util/NoticeCenter.h"
 #include "Thread/WorkThreadPool.h"
 
 using namespace toolkit;
 
 namespace mediakit {
 
-string timeStr(const char *fmt) {
-	std::tm tm_snapshot;
-	auto time = ::time(NULL);
-#if defined(_WIN32)
-	localtime_s(&tm_snapshot, &time); // thread-safe
-#else
-	localtime_r(&time, &tm_snapshot); // POSIX
-#endif
-	const size_t size = 1024;
-	char buffer[size];
-	auto success = std::strftime(buffer, size, fmt, &tm_snapshot);
-	if (0 == success)
-		return string(fmt);
-	return buffer;
-}
-
 MP4Recorder::MP4Recorder(const string& strPath,
 				   const string &strVhost,
 				   const string &strApp,
@@ -70,8 +52,8 @@ MP4Recorder::~MP4Recorder() {
 
 void MP4Recorder::createFile() {
 	closeFile();
-	auto strDate = timeStr("%Y-%m-%d");
-	auto strTime = timeStr("%H-%M-%S");
+	auto strDate = getTimeStr("%Y-%m-%d");
+	auto strTime = getTimeStr("%H-%M-%S");
 	auto strFileTmp = _strPath + strDate + "/." + strTime + ".mp4";
 	auto strFile =	_strPath + strDate + "/" + strTime + ".mp4";