diff --git a/README.md b/README.md
index f293c61f0..c4c4fc3ba 100755
--- a/README.md
+++ b/README.md
@@ -562,6 +562,7 @@ Supported operating systems and hardware:
 
 ### SRS 2.0 history
 
+* v2.0, 2015-03-30, for [#366](https://github.com/winlinvip/simple-rtmp-server/issues/366), config hls to disable cleanup of ts. 2.0.154.
 * v2.0, 2015-03-31, support server cycle handler. 2.0.153.
 * v2.0, 2015-03-31, support on_hls for http hooks. 2.0.152.
 * v2.0, 2015-03-31, enhanced hls, support deviation for duration. 2.0.151.
diff --git a/trunk/conf/full.conf b/trunk/conf/full.conf
index b06472438..5cb812e13 100644
--- a/trunk/conf/full.conf
+++ b/trunk/conf/full.conf
@@ -594,7 +594,10 @@ vhost with-hls.srs.com {
         #       h264, vn
         # default: h264
         hls_vcodec      h264;
-        
+        # whether cleanup the old ts files.
+        # default: on
+        hls_cleanup     on;
+
         # on_hls, never config in here, should config in http_hooks.
         # for the hls http callback, @see http_hooks.on_hls of vhost hooks.callback.srs.com
         # @read https://github.com/winlinvip/simple-rtmp-server/wiki/v2_CN_DeliveryHLS#http-callback
diff --git a/trunk/src/app/srs_app_config.cpp b/trunk/src/app/srs_app_config.cpp
index 3c7b8c276..85725d1cc 100644
--- a/trunk/src/app/srs_app_config.cpp
+++ b/trunk/src/app/srs_app_config.cpp
@@ -1482,7 +1482,7 @@ int SrsConfig::check_config()
                     string m = conf->at(j)->name.c_str();
                     if (m != "enabled" && m != "hls_entry_prefix" && m != "hls_path" && m != "hls_fragment" && m != "hls_window" && m != "hls_on_error"
                         && m != "hls_storage" && m != "hls_mount" && m != "hls_td_ratio" && m != "hls_aof_ratio" && m != "hls_acodec" && m != "hls_vcodec"
-                        && m != "hls_m3u8_file" && m != "hls_ts_file" && m != "hls_ts_floor"
+                        && m != "hls_m3u8_file" && m != "hls_ts_file" && m != "hls_ts_floor" && m != "hls_cleanup"
                     ) {
                         ret = ERROR_SYSTEM_CONFIG_INVALID;
                         srs_error("unsupported vhost hls directive %s, ret=%d", m.c_str(), ret);
@@ -3388,6 +3388,23 @@ string SrsConfig::get_hls_vcodec(string vhost)
     return conf->arg0();
 }
 
+bool SrsConfig::get_hls_cleanup(string vhost)
+{
+    SrsConfDirective* hls = get_hls(vhost);
+    
+    if (!hls) {
+        return SRS_CONF_DEFAULT_HLS_CLEANUP;
+    }
+    
+    SrsConfDirective* conf = hls->get("hls_cleanup");
+    
+    if (!conf && conf->arg0() != "off") {
+        return SRS_CONF_DEFAULT_HLS_CLEANUP;
+    }
+    
+    return false;
+}
+
 SrsConfDirective *SrsConfig::get_hds(const string &vhost)
 {
     SrsConfDirective* conf = get_vhost(vhost);
diff --git a/trunk/src/app/srs_app_config.hpp b/trunk/src/app/srs_app_config.hpp
index a1b11a848..569060a8e 100644
--- a/trunk/src/app/srs_app_config.hpp
+++ b/trunk/src/app/srs_app_config.hpp
@@ -61,6 +61,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define SRS_CONF_DEFAULT_HLS_MOUNT "[vhost]/[app]/[stream].m3u8"
 #define SRS_CONF_DEFAULT_HLS_ACODEC "aac"
 #define SRS_CONF_DEFAULT_HLS_VCODEC "h264"
+#define SRS_CONF_DEFAULT_HLS_CLEANUP true
 #define SRS_CONF_DEFAULT_DVR_PATH "./objs/nginx/html/[app]/[stream].[timestamp].flv"
 #define SRS_CONF_DEFAULT_DVR_PLAN_SESSION "session"
 #define SRS_CONF_DEFAULT_DVR_PLAN_SEGMENT "segment"
@@ -935,6 +936,10 @@ public:
     * get the HLS default video codec.
     */
     virtual std::string         get_hls_vcodec(std::string vhost);
+    /**
+     * whether cleanup the old ts files.
+     */
+    virtual bool                get_hls_cleanup(std::string vhost);
 
     // hds section
 private:
diff --git a/trunk/src/app/srs_app_hls.cpp b/trunk/src/app/srs_app_hls.cpp
index 3570cd9b0..e3caaa2be 100644
--- a/trunk/src/app/srs_app_hls.cpp
+++ b/trunk/src/app/srs_app_hls.cpp
@@ -224,6 +224,7 @@ SrsHlsMuxer::SrsHlsMuxer()
     hls_fragment = hls_window = 0;
     hls_aof_ratio = 1.0;
     hls_fragment_deviation = 0;
+    hls_cleanup = true;
     previous_floor_ts = 0;
     accept_floor_ts = 0;
     hls_ts_floor = false;
@@ -250,19 +251,6 @@ SrsHlsMuxer::~SrsHlsMuxer()
     srs_freep(async);
 }
 
-int SrsHlsMuxer::initialize(ISrsHlsHandler* h)
-{
-    int ret = ERROR_SUCCESS;
-    
-    handler = h;
-    
-    if ((ret = async->start()) != ERROR_SUCCESS) {
-        return ret;
-    }
-
-    return ret;
-}
-
 int SrsHlsMuxer::sequence_no()
 {
     return _sequence_no;
@@ -283,9 +271,22 @@ double SrsHlsMuxer::deviation()
     return hls_fragment_deviation;
 }
 
+int SrsHlsMuxer::initialize(ISrsHlsHandler* h)
+{
+    int ret = ERROR_SUCCESS;
+    
+    handler = h;
+    
+    if ((ret = async->start()) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    return ret;
+}
+
 int SrsHlsMuxer::update_config(SrsRequest* r, string entry_prefix,
     string path, string m3u8_file, string ts_file, double fragment, double window,
-    bool ts_floor, double aof_ratio
+    bool ts_floor, double aof_ratio, bool cleanup
 ) {
     int ret = ERROR_SUCCESS;
     
@@ -298,6 +299,7 @@ int SrsHlsMuxer::update_config(SrsRequest* r, string entry_prefix,
     hls_fragment = fragment;
     hls_aof_ratio = aof_ratio;
     hls_ts_floor = ts_floor;
+    hls_cleanup = cleanup;
     previous_floor_ts = 0;
     accept_floor_ts = 0;
     hls_window = window;
@@ -651,7 +653,11 @@ int SrsHlsMuxer::segment_close(string log_desc)
     // remove the ts file.
     for (int i = 0; i < (int)segment_to_remove.size(); i++) {
         SrsHlsSegment* segment = segment_to_remove[i];
-        unlink(segment->full_path.c_str());
+        
+        if (hls_cleanup) {
+            unlink(segment->full_path.c_str());
+        }
+        
         srs_freep(segment);
     }
     segment_to_remove.clear();
@@ -796,6 +802,7 @@ int SrsHlsCache::on_publish(SrsHlsMuxer* muxer, SrsRequest* req, int64_t segment
     std::string path = _srs_config->get_hls_path(vhost);
     std::string m3u8_file = _srs_config->get_hls_m3u8_file(vhost);
     std::string ts_file = _srs_config->get_hls_ts_file(vhost);
+    bool cleanup = _srs_config->get_hls_cleanup(vhost);
     // the audio overflow, for pure audio to reap segment.
     double hls_aof_ratio = _srs_config->get_hls_aof_ratio(vhost);
     // whether use floor(timestamp/hls_fragment) for variable timestamp
@@ -806,7 +813,8 @@ int SrsHlsCache::on_publish(SrsHlsMuxer* muxer, SrsRequest* req, int64_t segment
     
     // open muxer
     if ((ret = muxer->update_config(req, entry_prefix,
-        path, m3u8_file, ts_file, hls_fragment, hls_window, ts_floor, hls_aof_ratio)) != ERROR_SUCCESS
+        path, m3u8_file, ts_file, hls_fragment, hls_window, ts_floor, hls_aof_ratio,
+        cleanup)) != ERROR_SUCCESS
     ) {
         srs_error("m3u8 muxer update config failed. ret=%d", ret);
         return ret;
diff --git a/trunk/src/app/srs_app_hls.hpp b/trunk/src/app/srs_app_hls.hpp
index c28b4e0bd..5bb54280a 100644
--- a/trunk/src/app/srs_app_hls.hpp
+++ b/trunk/src/app/srs_app_hls.hpp
@@ -188,6 +188,7 @@ private:
     std::string hls_entry_prefix;
     std::string hls_path;
     std::string hls_ts_file;
+    bool hls_cleanup;
     std::string m3u8_dir;
     double hls_aof_ratio;
     double hls_fragment;
@@ -245,7 +246,8 @@ public:
     */
     virtual int update_config(SrsRequest* r, std::string entry_prefix,
         std::string path, std::string m3u8_file, std::string ts_file,
-        double fragment, double window, bool ts_floor, double aof_ratio);
+        double fragment, double window, bool ts_floor, double aof_ratio,
+        bool cleanup);
     /**
     * open a new segment(a new ts file),
     * @param segment_start_dts use to calc the segment duration,
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index fd3c06908..bdb662aa7 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR       2
 #define VERSION_MINOR       0
-#define VERSION_REVISION    153
+#define VERSION_REVISION    154
 
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"