diff --git a/src/Rtmp/RtmpPlayerImp.h b/src/Rtmp/RtmpPlayerImp.h
index 720bd63c..df90e0cd 100644
--- a/src/Rtmp/RtmpPlayerImp.h
+++ b/src/Rtmp/RtmpPlayerImp.h
@@ -51,7 +51,9 @@ private:
         }
     }
     void onMediaData(RtmpPacket &chunkData) override {
-        m_parser->inputRtmp(chunkData);
+    	if(m_parser){
+    		m_parser->inputRtmp(chunkData);
+    	}
     }
 };
                     
diff --git a/src/Rtsp/RtpParser.cpp b/src/Rtsp/RtpParser.cpp
index 6e668562..67940bc0 100644
--- a/src/Rtsp/RtpParser.cpp
+++ b/src/Rtsp/RtpParser.cpp
@@ -182,6 +182,9 @@ inline void RtpParser::onGetAudioTrack(const RtspTrack& audio) {
 	m_strAudioCfg.push_back(cfg2);
 	makeAdtsHeader(m_strAudioCfg,m_adts);
 	getAACInfo(m_adts, m_iSampleRate, m_iChannel);
+	if(m_adts.profile >= 3){
+		throw std::runtime_error("不支持该profile的AAC");
+	}
 }
 
 inline void RtpParser::onGetVideoTrack(const RtspTrack& video) {
diff --git a/src/Rtsp/Rtsp.cpp b/src/Rtsp/Rtsp.cpp
index 49da3b79..c4d67a35 100644
--- a/src/Rtsp/Rtsp.cpp
+++ b/src/Rtsp/Rtsp.cpp
@@ -31,9 +31,15 @@ string FindField(const char* buf, const char* start, const char *end ,int bufSiz
 	return string(msg_start, msg_end);
 }
 int parserSDP(const string& sdp, RtspTrack Track[2]) {
-	string track_str = "track";
+	string track_str;
 	if (sdp.find("trackID=") != string::npos) {
 		track_str = "trackID=";
+	}else if (sdp.find("track") != string::npos) {
+		track_str = "track";
+	}else if (sdp.find("streamid=") != string::npos) {
+		track_str = "streamid=";
+	}else if (sdp.find("stream") != string::npos) {
+		track_str = "stream";
 	}
 	int track_cnt = 0;
 	string::size_type pos_head = sdp.find("m=");