diff --git a/README.md b/README.md
index 35e0c6f88..32ca35ca6 100755
--- a/README.md
+++ b/README.md
@@ -202,6 +202,7 @@ Supported operating systems and hardware:
 * 2013-10-17, Created.<br/>
 
 ## History
+* v1.0, 2014-10-19, fix [#183](https://github.com/winlinvip/simple-rtmp-server/issues/183), hotfix for bug #183, donot support AnnexB when decoding RTMP body for HLS. 1.0.1.
 * <strong>v1.0, 2014-10-09, [1.0 beta(1.0.0)](https://github.com/winlinvip/simple-rtmp-server/releases/tag/1.0.beta) released. 59316 lines.</strong>
 * v1.0, 2014-10-08, fix [#151](https://github.com/winlinvip/simple-rtmp-server/issues/151), always reap ts whatever audio or video packet. 0.9.223.
 * v1.0, 2014-10-08, fix [#162](https://github.com/winlinvip/simple-rtmp-server/issues/162), failed if no epoll. 0.9.222.
diff --git a/trunk/src/app/srs_app_avc_aac.cpp b/trunk/src/app/srs_app_avc_aac.cpp
index 752a5d9a5..9682a0f7b 100644
--- a/trunk/src/app/srs_app_avc_aac.cpp
+++ b/trunk/src/app/srs_app_avc_aac.cpp
@@ -473,6 +473,15 @@ int SrsAvcAacCodec::video_avc_demux(char* data, int size, SrsCodecSample* sample
             } else {
                 NALUnitLength = stream->read_1bytes();
             }
+            
+            // maybe stream is AnnexB format.
+            // see: https://github.com/winlinvip/simple-rtmp-server/issues/183
+            if (NALUnitLength < 0) {
+                ret = ERROR_HLS_DECODE_ERROR;
+                srs_error("maybe stream is AnnexB format. ret=%d", ret);
+                return ret;
+            }
+            
             // NALUnit
             if (!stream->require(NALUnitLength)) {
                 ret = ERROR_HLS_DECODE_ERROR;
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 96db79391..b08f4a661 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 "1"
 #define VERSION_MINOR "0"
-#define VERSION_REVISION "0"
+#define VERSION_REVISION "1"
 #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"