diff --git a/api/include/mk_recorder.h b/api/include/mk_recorder.h
index 5b1b8b71..2653fd50 100644
--- a/api/include/mk_recorder.h
+++ b/api/include/mk_recorder.h
@@ -63,9 +63,10 @@ API_EXPORT int API_CALL mk_recorder_is_recording(int type, const char *vhost, co
  * @param app 应用名
  * @param stream 流id
  * @param customized_path 录像文件保存自定义目录，默认为空或null则自动生成
+ * @param max_second mp4录制最大切片时间，单位秒，置0则采用配置文件配置
  * @return 1代表成功，0代表失败
  */
-API_EXPORT int API_CALL mk_recorder_start(int type, const char *vhost, const char *app, const char *stream, const char *customized_path);
+API_EXPORT int API_CALL mk_recorder_start(int type, const char *vhost, const char *app, const char *stream, const char *customized_path, size_t max_second);
 
 /**
  * 停止录制
diff --git a/api/source/mk_recorder.cpp b/api/source/mk_recorder.cpp
index 550179ec..ea0abe4c 100644
--- a/api/source/mk_recorder.cpp
+++ b/api/source/mk_recorder.cpp
@@ -41,9 +41,9 @@ API_EXPORT int API_CALL mk_recorder_is_recording(int type, const char *vhost, co
     return Recorder::isRecording((Recorder::type)type,vhost,app,stream);
 }
 
-API_EXPORT int API_CALL mk_recorder_start(int type, const char *vhost, const char *app, const char *stream,const char *customized_path){
+API_EXPORT int API_CALL mk_recorder_start(int type, const char *vhost, const char *app, const char *stream,const char *customized_path, size_t max_second){
     assert(vhost && app && stream);
-    return Recorder::startRecord((Recorder::type)type,vhost,app,stream,customized_path ? customized_path : "");
+    return Recorder::startRecord((Recorder::type)type,vhost,app,stream,customized_path ? customized_path : "", max_second);
 }
 
 API_EXPORT int API_CALL mk_recorder_stop(int type, const char *vhost, const char *app, const char *stream){
diff --git a/postman/ZLMediaKit.postman_collection.json b/postman/ZLMediaKit.postman_collection.json
index a06d22fb..75d9cbb9 100644
--- a/postman/ZLMediaKit.postman_collection.json
+++ b/postman/ZLMediaKit.postman_collection.json
@@ -818,7 +818,14 @@
 						{
 							"key": "customized_path",
 							"value": null,
+							"disabled": true,
 							"description": "录像文件保存自定义根目录，为空则采用配置文件设置"
+						},
+						{
+							"key": "max_second",
+							"value": "1000",
+							"disabled": true,
+							"description": "MP4录制的切片时间大小，单位秒"
 						}
 					]
 				}
diff --git a/server/FFmpegSource.cpp b/server/FFmpegSource.cpp
index 145787b1..ac0c1a26 100644
--- a/server/FFmpegSource.cpp
+++ b/server/FFmpegSource.cpp
@@ -280,10 +280,10 @@ void FFmpegSource::onGetMediaSource(const MediaSource::Ptr &src) {
         setDelegate(listener);
         src->setListener(shared_from_this());
         if (_enable_hls) {
-            src->setupRecord(Recorder::type_hls, true, "");
+            src->setupRecord(Recorder::type_hls, true, "", 0);
         }
         if (_enable_mp4) {
-            src->setupRecord(Recorder::type_mp4, true, "");
+            src->setupRecord(Recorder::type_mp4, true, "", 0);
         }
     }
 }
diff --git a/server/WebApi.cpp b/server/WebApi.cpp
index b29a136c..39ecb6b1 100755
--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@@ -877,10 +877,11 @@ void installWebApi() {
         CHECK_SECRET();
         CHECK_ARGS("type","vhost","app","stream");
         auto result = Recorder::startRecord((Recorder::type) allArgs["type"].as<int>(),
-                                              allArgs["vhost"],
-                                              allArgs["app"],
-                                              allArgs["stream"],
-                                              allArgs["customized_path"]);
+                                            allArgs["vhost"],
+                                            allArgs["app"],
+                                            allArgs["stream"],
+                                            allArgs["customized_path"],
+                                            allArgs["max_second"].as<size_t>());
         val["result"] = result;
         val["code"] = result ? API::Success : API::OtherFailed;
         val["msg"] = result ? "success" :  "start record failed";
diff --git a/src/Common/MediaSource.cpp b/src/Common/MediaSource.cpp
index a783f29d..ae4a47c8 100644
--- a/src/Common/MediaSource.cpp
+++ b/src/Common/MediaSource.cpp
@@ -171,13 +171,13 @@ void MediaSource::onReaderChanged(int size) {
     }
 }
 
-bool MediaSource::setupRecord(Recorder::type type, bool start, const string &custom_path){
+bool MediaSource::setupRecord(Recorder::type type, bool start, const string &custom_path, size_t max_second){
     auto listener = _listener.lock();
     if (!listener) {
         WarnL << "未设置MediaSource的事件监听者，setupRecord失败:" << getSchema() << "/" << getVhost() << "/" << getApp() << "/" << getId();
         return false;
     }
-    return listener->setupRecord(*this, type, start, custom_path);
+    return listener->setupRecord(*this, type, start, custom_path, max_second);
 }
 
 bool MediaSource::isRecording(Recorder::type type){
@@ -626,12 +626,12 @@ void MediaSourceEventInterceptor::onRegist(MediaSource &sender, bool regist) {
     }
 }
 
-bool MediaSourceEventInterceptor::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path) {
+bool MediaSourceEventInterceptor::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second) {
     auto listener = _listener.lock();
     if (!listener) {
         return false;
     }
-    return listener->setupRecord(sender, type, start, custom_path);
+    return listener->setupRecord(sender, type, start, custom_path, max_second);
 }
 
 bool MediaSourceEventInterceptor::isRecording(MediaSource &sender, Recorder::type type) {
diff --git a/src/Common/MediaSource.h b/src/Common/MediaSource.h
index 029b5f87..b85415fc 100644
--- a/src/Common/MediaSource.h
+++ b/src/Common/MediaSource.h
@@ -77,7 +77,7 @@ public:
 
     ////////////////////////仅供MultiMediaSourceMuxer对象继承////////////////////////
     // 开启或关闭录制
-    virtual bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path) { return false; };
+    virtual bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second) { return false; };
     // 获取录制状态
     virtual bool isRecording(MediaSource &sender, Recorder::type type) { return false; };
     // 获取所有track相关信息
@@ -109,7 +109,7 @@ public:
     int totalReaderCount(MediaSource &sender) override;
     void onReaderChanged(MediaSource &sender, int size) override;
     void onRegist(MediaSource &sender, bool regist) override;
-    bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path) override;
+    bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second) override;
     bool isRecording(MediaSource &sender, Recorder::type type) override;
     vector<Track::Ptr> getTracks(MediaSource &sender, bool trackReady = true) const override;
     void startSendRtp(MediaSource &sender, const string &dst_url, uint16_t dst_port, const string &ssrc, bool is_udp, uint16_t src_port, const function<void(uint16_t local_port, const SockException &ex)> &cb) override;
@@ -252,7 +252,7 @@ public:
     // 该流观看人数变化
     void onReaderChanged(int size);
     // 开启或关闭录制
-    bool setupRecord(Recorder::type type, bool start, const string &custom_path);
+    bool setupRecord(Recorder::type type, bool start, const string &custom_path, size_t max_second);
     // 获取录制状态
     bool isRecording(Recorder::type type);
     // 开始发送ps-rtp
diff --git a/src/Common/MultiMediaSourceMuxer.cpp b/src/Common/MultiMediaSourceMuxer.cpp
index f176e88e..1a86083d 100644
--- a/src/Common/MultiMediaSourceMuxer.cpp
+++ b/src/Common/MultiMediaSourceMuxer.cpp
@@ -107,8 +107,8 @@ int MultiMuxerPrivate::totalReaderCount() const {
            (hls ? hls->readerCount() : 0);
 }
 
-static std::shared_ptr<MediaSinkInterface> makeRecorder(const vector<Track::Ptr> &tracks, Recorder::type type, const string &custom_path, MediaSource &sender){
-    auto recorder = Recorder::createRecorder(type, sender.getVhost(), sender.getApp(), sender.getId(), custom_path);
+static std::shared_ptr<MediaSinkInterface> makeRecorder(MediaSource &sender, const vector<Track::Ptr> &tracks, Recorder::type type, const string &custom_path, size_t max_second){
+    auto recorder = Recorder::createRecorder(type, sender.getVhost(), sender.getApp(), sender.getId(), custom_path, max_second);
     for (auto &track : tracks) {
         recorder->addTrack(track);
     }
@@ -116,12 +116,12 @@ static std::shared_ptr<MediaSinkInterface> makeRecorder(const vector<Track::Ptr>
 }
 
 //此函数可能跨线程调用
-bool MultiMuxerPrivate::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path){
+bool MultiMuxerPrivate::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second){
     switch (type) {
         case Recorder::type_hls : {
             if (start && !_hls) {
                 //开始录制
-                auto hls = dynamic_pointer_cast<HlsRecorder>(makeRecorder(getTracks(true), type, custom_path, sender));
+                auto hls = dynamic_pointer_cast<HlsRecorder>(makeRecorder(sender, getTracks(true), type, custom_path, max_second));
                 if (hls) {
                     //设置HlsMediaSource的事件监听器
                     hls->setListener(_listener);
@@ -136,7 +136,7 @@ bool MultiMuxerPrivate::setupRecord(MediaSource &sender, Recorder::type type, bo
         case Recorder::type_mp4 : {
             if (start && !_mp4) {
                 //开始录制
-                _mp4 = makeRecorder(getTracks(true), type, custom_path, sender);
+                _mp4 = makeRecorder(sender, getTracks(true), type, custom_path, max_second);
             } else if (!start && _mp4) {
                 //停止录制
                 _mp4 = nullptr;
@@ -326,8 +326,8 @@ int MultiMediaSourceMuxer::totalReaderCount(MediaSource &sender) {
     return listener->totalReaderCount(sender);
 }
 
-bool MultiMediaSourceMuxer::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path) {
-    return _muxer->setupRecord(sender, type, start, custom_path);
+bool MultiMediaSourceMuxer::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second) {
+    return _muxer->setupRecord(sender, type, start, custom_path, max_second);
 }
 
 bool MultiMediaSourceMuxer::isRecording(MediaSource &sender, Recorder::type type) {
diff --git a/src/Common/MultiMediaSourceMuxer.h b/src/Common/MultiMediaSourceMuxer.h
index 422c9e30..e37cde9f 100644
--- a/src/Common/MultiMediaSourceMuxer.h
+++ b/src/Common/MultiMediaSourceMuxer.h
@@ -44,7 +44,7 @@ private:
     int totalReaderCount() const;
     void setTimeStamp(uint32_t stamp);
     void setTrackListener(Listener *listener);
-    bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path);
+    bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second);
     bool isRecording(MediaSource &sender, Recorder::type type);
     bool isEnabled();
     void onTrackReady(const Track::Ptr & track) override;
@@ -125,7 +125,7 @@ public:
      * @param custom_path 开启录制时，指定自定义路径
      * @return 是否设置成功
      */
-    bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path) override;
+    bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second) override;
 
     /**
      * 获取录制状态
diff --git a/src/Record/MP4Recorder.cpp b/src/Record/MP4Recorder.cpp
index c357d047..6b33cd7b 100644
--- a/src/Record/MP4Recorder.cpp
+++ b/src/Record/MP4Recorder.cpp
@@ -20,16 +20,19 @@ using namespace toolkit;
 
 namespace mediakit {
 
-MP4Recorder::MP4Recorder(const string& strPath,
-                   const string &strVhost,
-                   const string &strApp,
-                   const string &strStreamId) {
+MP4Recorder::MP4Recorder(const string &strPath,
+                         const string &strVhost,
+                         const string &strApp,
+                         const string &strStreamId,
+                         size_t max_second) {
     _strPath = strPath;
     /////record 业务逻辑//////
     _info.app = strApp;
     _info.stream = strStreamId;
     _info.vhost = strVhost;
     _info.folder = strPath;
+    GET_CONFIG(size_t ,recordSec,Record::kFileSecond);
+    _max_second = max_second ? max_second : recordSec;
 }
 MP4Recorder::~MP4Recorder() {
     closeFile();
@@ -104,8 +107,7 @@ void MP4Recorder::closeFile() {
 }
 
 void MP4Recorder::inputFrame(const Frame::Ptr &frame) {
-    GET_CONFIG(uint32_t,recordSec,Record::kFileSecond);
-    if(!_muxer || ((_createFileTicker.elapsedTime() > recordSec * 1000) &&
+    if(!_muxer || ((_createFileTicker.elapsedTime() > _max_second * 1000) &&
                   (!_haveVideo || (_haveVideo && frame->keyFrame()))) ){
         //成立条件
         //1、_muxer为空
diff --git a/src/Record/MP4Recorder.h b/src/Record/MP4Recorder.h
index cf862889..dfeac3d7 100644
--- a/src/Record/MP4Recorder.h
+++ b/src/Record/MP4Recorder.h
@@ -33,7 +33,8 @@ public:
     MP4Recorder(const string &strPath,
                 const string &strVhost,
                 const string &strApp,
-                const string &strStreamId);
+                const string &strStreamId,
+                size_t max_second);
     virtual ~MP4Recorder();
 
     /**
@@ -55,12 +56,13 @@ private:
     void closeFile();
     void asyncClose();
 private:
+    bool _haveVideo = false;
+    size_t _max_second;
     string _strPath;
     string _strFile;
     string _strFileTmp;
     Ticker _createFileTicker;
     RecordInfo _info;
-    bool _haveVideo = false;
     MP4Muxer::Ptr _muxer;
     list<Track::Ptr> _tracks;
 };
diff --git a/src/Record/Recorder.cpp b/src/Record/Recorder.cpp
index c281e228..cba7b319 100644
--- a/src/Record/Recorder.cpp
+++ b/src/Record/Recorder.cpp
@@ -55,7 +55,7 @@ string Recorder::getRecordPath(Recorder::type type, const string &vhost, const s
     }
 }
 
-std::shared_ptr<MediaSinkInterface> Recorder::createRecorder(type type, const string &vhost, const string &app, const string &stream_id, const string &customized_path){
+std::shared_ptr<MediaSinkInterface> Recorder::createRecorder(type type, const string &vhost, const string &app, const string &stream_id, const string &customized_path, size_t max_second){
     auto path = Recorder::getRecordPath(type, vhost, app, stream_id, customized_path);
     switch (type) {
         case Recorder::type_hls: {
@@ -72,7 +72,7 @@ std::shared_ptr<MediaSinkInterface> Recorder::createRecorder(type type, const st
 
         case Recorder::type_mp4: {
 #if defined(ENABLE_MP4)
-            return std::make_shared<MP4Recorder>(path, vhost, app, stream_id);
+            return std::make_shared<MP4Recorder>(path, vhost, app, stream_id, max_second);
 #else
             throw std::invalid_argument("mp4相关功能未打开，请开启ENABLE_MP4宏后编译再测试");
 #endif
@@ -90,13 +90,13 @@ bool Recorder::isRecording(type type, const string &vhost, const string &app, co
     return src->isRecording(type);
 }
 
-bool Recorder::startRecord(type type, const string &vhost, const string &app, const string &stream_id,const string &customized_path){
+bool Recorder::startRecord(type type, const string &vhost, const string &app, const string &stream_id,const string &customized_path, size_t max_second){
     auto src = MediaSource::find(vhost, app, stream_id);
     if (!src) {
         WarnL << "未找到相关的MediaSource,startRecord失败:" << vhost << "/" << app << "/" << stream_id;
         return false;
     }
-    return src->setupRecord(type, true, customized_path);
+    return src->setupRecord(type, true, customized_path, max_second);
 }
 
 bool Recorder::stopRecord(type type, const string &vhost, const string &app, const string &stream_id){
@@ -104,7 +104,7 @@ bool Recorder::stopRecord(type type, const string &vhost, const string &app, con
     if(!src){
         return false;
     }
-    return src->setupRecord(type, false, "");
+    return src->setupRecord(type, false, "", 0);
 }
 
 } /* namespace mediakit */
diff --git a/src/Record/Recorder.h b/src/Record/Recorder.h
index d535ae1a..ade8654c 100644
--- a/src/Record/Recorder.h
+++ b/src/Record/Recorder.h
@@ -57,9 +57,10 @@ public:
      * @param app 应用名
      * @param stream_id 流id
      * @param customized_path 录像文件保存自定义根目录，为空则采用配置文件设置
+     * @param max_second mp4录制最大切片时间，单位秒，置0则采用配置文件配置
      * @return 对象指针，可能为nullptr
      */
-    static std::shared_ptr<MediaSinkInterface> createRecorder(type type, const string &vhost, const string &app, const string &stream_id, const string &customized_path = "");
+    static std::shared_ptr<MediaSinkInterface> createRecorder(type type, const string &vhost, const string &app, const string &stream_id, const string &customized_path = "", size_t max_second = 0);
 
     /**
      * 获取录制状态
@@ -80,7 +81,7 @@ public:
      * @param customized_path 录像文件保存自定义根目录，为空则采用配置文件设置
      * @return 成功与否
      */
-    static bool startRecord(type type, const string &vhost, const string &app, const string &stream_id,const string &customized_path);
+    static bool startRecord(type type, const string &vhost, const string &app, const string &stream_id,const string &customized_path, size_t max_second);
 
     /**
      * 停止录制