diff --git a/src/Common/config.cpp b/src/Common/config.cpp
index e870bcc5..c1613af0 100644
--- a/src/Common/config.cpp
+++ b/src/Common/config.cpp
@@ -262,7 +262,7 @@ const string kDeleteDelaySec = HLS_FIELD"deleteDelaySec";
 static onceToken token([](){
     mINI::Instance()[kSegmentDuration] = 2;
     mINI::Instance()[kSegmentNum] = 3;
-    mINI::Instance()[kSegmentKeep] = 0;
+    mINI::Instance()[kSegmentKeep] = false;
     mINI::Instance()[kSegmentRetain] = 5;
     mINI::Instance()[kFileBufSize] = 64 * 1024;
     mINI::Instance()[kFilePath] = "./www";
diff --git a/src/Record/HlsMaker.cpp b/src/Record/HlsMaker.cpp
index 358fecb1..df92ca74 100644
--- a/src/Record/HlsMaker.cpp
+++ b/src/Record/HlsMaker.cpp
@@ -14,7 +14,7 @@ using namespace std;
 
 namespace mediakit {
 
-HlsMaker::HlsMaker(float seg_duration, uint32_t seg_number, uint32_t seg_keep) {
+HlsMaker::HlsMaker(float seg_duration, uint32_t seg_number, bool seg_keep) {
     //最小允许设置为0，0个切片代表点播
     _seg_number = seg_number;
     _seg_duration = seg_duration;
@@ -106,7 +106,7 @@ void HlsMaker::delOldSegment() {
     if (_file_index > _seg_number) {
         _seg_dur_list.pop_front();
     }
-    if (_seg_keep == 1) {
+    if (_seg_keep) {
         //如果设置为一直保存，就不删除
         return;
     }
@@ -154,7 +154,7 @@ bool HlsMaker::isLive() {
 }
 
 bool HlsMaker::isKeep() {
-    return _seg_keep == 1;
+    return _seg_keep;
 }
 void HlsMaker::clear() {
     _file_index = 0;
diff --git a/src/Record/HlsMaker.h b/src/Record/HlsMaker.h
index 7db62c58..ea972d60 100644
--- a/src/Record/HlsMaker.h
+++ b/src/Record/HlsMaker.h
@@ -28,7 +28,7 @@ public:
      * @param seg_number 切片个数
      * @param seg_keep 是否保留切片文件
      */
-    HlsMaker(float seg_duration = 5, uint32_t seg_number = 3, uint32_t seg_keep = 0);
+    HlsMaker(float seg_duration = 5, uint32_t seg_number = 3, bool seg_keep = false);
     virtual ~HlsMaker();
 
     /**
@@ -113,7 +113,7 @@ private:
 private:
     float _seg_duration = 0;
     uint32_t _seg_number = 0;
-    uint32_t _seg_keep = 0;
+    bool _seg_keep = false;
     uint32_t _last_timestamp = 0;
     uint32_t _last_seg_timestamp = 0;
     uint64_t _file_index = 0;
diff --git a/src/Record/HlsMakerImp.cpp b/src/Record/HlsMakerImp.cpp
index aabaeebc..cde0f129 100644
--- a/src/Record/HlsMakerImp.cpp
+++ b/src/Record/HlsMakerImp.cpp
@@ -24,7 +24,7 @@ HlsMakerImp::HlsMakerImp(const string &m3u8_file,
                          uint32_t bufSize,
                          float seg_duration,
                          uint32_t seg_number,
-                         uint32_t seg_keep):HlsMaker(seg_duration, seg_number, seg_keep) {
+                         bool seg_keep):HlsMaker(seg_duration, seg_number, seg_keep) {
     _poller = EventPollerPool::Instance().getPoller();
     _path_prefix = m3u8_file.substr(0, m3u8_file.rfind('/'));
     _path_hls = m3u8_file;
diff --git a/src/Record/HlsMakerImp.h b/src/Record/HlsMakerImp.h
index d23810e0..645302ba 100644
--- a/src/Record/HlsMakerImp.h
+++ b/src/Record/HlsMakerImp.h
@@ -26,7 +26,7 @@ public:
                 uint32_t bufSize  = 64 * 1024,
                 float seg_duration = 5,
                 uint32_t seg_number = 3, 
-                uint32_t seg_keep = 0);
+                bool seg_keep = false);
 
     ~HlsMakerImp() override;
 
diff --git a/src/Record/HlsRecorder.h b/src/Record/HlsRecorder.h
index 91f5f6f7..0762a3e4 100644
--- a/src/Record/HlsRecorder.h
+++ b/src/Record/HlsRecorder.h
@@ -22,7 +22,7 @@ public:
 
     HlsRecorder(const std::string &m3u8_file, const std::string &params) : MpegMuxer(false) {
         GET_CONFIG(uint32_t, hlsNum, Hls::kSegmentNum);
-        GET_CONFIG(uint32_t, hlsKeep, Hls::kSegmentKeep);
+        GET_CONFIG(bool, hlsKeep, Hls::kSegmentKeep);
         GET_CONFIG(uint32_t, hlsBufSize, Hls::kFileBufSize);
         GET_CONFIG(float, hlsDuration, Hls::kSegmentDuration);
         _hls = std::make_shared<HlsMakerImp>(m3u8_file, params, hlsBufSize, hlsDuration, hlsNum, hlsKeep);