diff --git a/README.md b/README.md
index c674ad2b8..c6285d058 100755
--- a/README.md
+++ b/README.md
@@ -485,6 +485,7 @@ Supported operating systems and hardware:
 * 2013-10-17, Created.<br/>
 
 ## History
+* v2.0, 2014-11-28, fix [#215](https://github.com/winlinvip/simple-rtmp-server/issues/215), for bug #215, add srs_rtmp_dump tool. 2.0.37.
 * v2.0, 2014-11-25, update PRIMARY, AUTHORS, CONTRIBUTORS rule. 2.0.32.
 * v2.0, 2014-11-24, fix [#212](https://github.com/winlinvip/simple-rtmp-server/issues/212), support publish aac adts raw stream. 2.0.31.
 * v2.0, 2014-11-22, fix [#217](https://github.com/winlinvip/simple-rtmp-server/issues/217), remove timeout recv, support 7.5k+ 250kbps clients. 2.0.30.
diff --git a/trunk/research/librtmp/Makefile b/trunk/research/librtmp/Makefile
index f8e9db4f9..d9a470997 100755
--- a/trunk/research/librtmp/Makefile
+++ b/trunk/research/librtmp/Makefile
@@ -7,7 +7,8 @@ else
                 objs/srs_flv_injecter objs/srs_publish objs/srs_play \
                 objs/srs_ingest_flv objs/srs_ingest_rtmp objs/srs_detect_rtmp \
                 objs/srs_bandwidth_check objs/srs_h264_raw_publish \
-                objs/srs_audio_raw_publish objs/srs_aac_raw_publish
+                objs/srs_audio_raw_publish objs/srs_aac_raw_publish \
+                objs/srs_rtmp_dump
 endif
 
 .PHONY: default clean help ssl nossl
@@ -32,6 +33,7 @@ help:
 	@echo "     srs_ingest_rtmp         ingest RTMP and publish to RTMP server."
 	@echo "     srs_detect_rtmp         detect RTMP stream info."
 	@echo "     srs_bandwidth_check     bandwidth check/test tool."
+	@echo "     srs_rtmp_dump           dump rtmp stream to flv file."
 	@echo "Remark: about simple/complex handshake, see: http://blog.csdn.net/win_lin/article/details/13006803"
 	@echo "Remark: srs Makefile will auto invoke this by --with/without-ssl, "
 	@echo "     that is, if user specified ssl(by --with-ssl), srs will make this by 'make ssl'"
@@ -108,3 +110,6 @@ objs/srs_detect_rtmp: srs_detect_rtmp.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(
 
 objs/srs_bandwidth_check: srs_bandwidth_check.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
 	$(GCC) srs_bandwidth_check.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o objs/srs_bandwidth_check
+
+objs/srs_rtmp_dump: srs_rtmp_dump.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
+	$(GCC) srs_rtmp_dump.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o objs/srs_rtmp_dump
diff --git a/trunk/research/librtmp/srs_rtmp_dump.c b/trunk/research/librtmp/srs_rtmp_dump.c
new file mode 100644
index 000000000..00f8d1fd6
--- /dev/null
+++ b/trunk/research/librtmp/srs_rtmp_dump.c
@@ -0,0 +1,122 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013-2014 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+/**
+gcc srs_rtmp_dump.c ../../objs/lib/srs_librtmp.a -g -O0 -lstdc++ -o srs_rtmp_dump
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "../../objs/include/srs_librtmp.h"
+
+int main(int argc, char** argv)
+{
+    printf("dump rtmp stream to flv file\n");
+    printf("srs(simple-rtmp-server) client librtmp library.\n");
+    printf("version: %d.%d.%d\n", srs_version_major(), srs_version_minor(), srs_version_revision());
+    
+    if (argc <= 2) {
+        printf("Usage: %s <rtmp_url> <flv_path>\n"
+            "   rtmp_url     RTMP stream url to play\n"
+            "   flv_path     The flv file path to save\n"
+            "For example:\n"
+            "   %s rtmp://127.0.0.1:1935/live/livestream output.flv\n",
+            argv[0], argv[0]);
+        exit(-1);
+    }
+    
+    srs_human_trace("rtmp url: %s", argv[1]);
+    srs_human_trace("flv path: %s", argv[2]);
+    srs_rtmp_t rtmp = srs_rtmp_create(argv[1]);
+    
+    if (srs_rtmp_handshake(rtmp) != 0) {
+        srs_human_trace("simple handshake failed.");
+        goto rtmp_destroy;
+    }
+    srs_human_trace("simple handshake success");
+    
+    if (srs_rtmp_connect_app(rtmp) != 0) {
+        srs_human_trace("connect vhost/app failed.");
+        goto rtmp_destroy;
+    }
+    srs_human_trace("connect vhost/app success");
+    
+    if (srs_rtmp_play_stream(rtmp) != 0) {
+        srs_human_trace("play stream failed.");
+        goto rtmp_destroy;
+    }
+    srs_human_trace("play stream success");
+    
+    srs_flv_t flv = srs_flv_open_write(argv[2]);
+    
+    // flv header
+    char header[9];
+    // 3bytes, signature, "FLV",
+    header[0] = 'F';
+    header[1] = 'L';
+    header[2] = 'V';
+    // 1bytes, version, 0x01,
+    header[3] = 0x01;
+    // 1bytes, flags, UB[5] 0, UB[1] audio present, UB[1] 0, UB[1] video present.
+    header[4] = 0x03; // audio + video.
+    // 4bytes, dataoffset
+    header[5] = 0x00;
+    header[6] = 0x00;
+    header[7] = 0x00;
+    header[8] = 0x09;
+    if (srs_flv_write_header(flv, header) != 0) {
+        srs_human_trace("write flv header failed.");
+        goto rtmp_destroy;
+    }
+    
+    for (;;) {
+        int size;
+        char type;
+        char* data;
+        u_int32_t timestamp;
+        
+        if (srs_rtmp_read_packet(rtmp, &type, &timestamp, &data, &size) != 0) {
+            srs_human_trace("read rtmp packet failed.");
+            goto rtmp_destroy;
+        }
+        
+        if (srs_human_print_rtmp_packet(type, timestamp, data, size) != 0) {
+            srs_human_trace("print rtmp packet failed.");
+            goto rtmp_destroy;
+        }
+        
+        if (srs_flv_write_tag(flv, type, timestamp, data, size) != 0) {
+            srs_human_trace("dump rtmp packet failed.");
+            goto rtmp_destroy;
+        }
+        
+        free(data);
+    }
+    
+rtmp_destroy:
+    srs_rtmp_destroy(rtmp);
+    srs_flv_close(flv);
+    srs_human_trace("completed");
+    
+    return 0;
+}
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 94d5287cd..e7333f98e 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    36
+#define VERSION_REVISION    37
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"
 #define RTMP_SIG_SRS_ROLE "origin/edge server"
diff --git a/trunk/src/srs/srs.upp b/trunk/src/srs/srs.upp
index 94f0fd339..8e3d6ff11 100755
--- a/trunk/src/srs/srs.upp
+++ b/trunk/src/srs/srs.upp
@@ -141,6 +141,7 @@ file
 	..\..\research\librtmp\srs_ingest_rtmp.c,
 	..\..\research\librtmp\srs_play.c,
 	..\..\research\librtmp\srs_publish.c,
+	..\..\research\librtmp\srs_rtmp_dump.c,
 	..\..\research\hls\ts_info.cc;
 
 mainconfig