diff --git a/api/include/mk_player.h b/api/include/mk_player.h
index 16eae126..f228c845 100755
--- a/api/include/mk_player.h
+++ b/api/include/mk_player.h
@@ -105,6 +105,12 @@ API_EXPORT void API_CALL mk_player_set_on_shutdown(mk_player ctx, on_mk_play_eve
  */
 API_EXPORT void API_CALL mk_player_set_on_data(mk_player ctx, on_mk_play_data cb, void *user_data);
 
+/**
+ * 获取视频codec_id -1：不存在 0：H264，1：H265，2：AAC 3.G711A 4.G711U
+ * @param ctx 播放器指针
+ */
+API_EXPORT int API_CALL mk_player_video_codecId(mk_player ctx);
+
 /**
  * 获取视频宽度
  */
@@ -120,6 +126,12 @@ API_EXPORT int API_CALL mk_player_video_height(mk_player ctx);
  */
 API_EXPORT int API_CALL mk_player_video_fps(mk_player ctx);
 
+/**
+ * 获取音频codec_id -1：不存在 0：H264，1：H265，2：AAC 3.G711A 4.G711U
+ * @param ctx 播放器指针
+ */
+API_EXPORT int API_CALL mk_player_audio_codecId(mk_player ctx);
+
 /**
  * 获取音频采样率
  */
diff --git a/api/source/mk_player.cpp b/api/source/mk_player.cpp
index d9ba3fab..5f7a681b 100755
--- a/api/source/mk_player.cpp
+++ b/api/source/mk_player.cpp
@@ -101,6 +101,15 @@ API_EXPORT void API_CALL mk_player_set_on_data(mk_player ctx, on_mk_play_data cb
     });
 }
 
+
+API_EXPORT int API_CALL mk_player_video_codecId(mk_player ctx)
+{
+    assert(ctx);
+    MediaPlayer::Ptr& player = *((MediaPlayer::Ptr*)ctx);
+    auto track = dynamic_pointer_cast<VideoTrack>(player->getTrack(TrackVideo));
+    return track ? track->getCodecId() : CodecInvalid;
+}
+
 API_EXPORT int API_CALL mk_player_video_width(mk_player ctx) {
     assert(ctx);
     MediaPlayer::Ptr &player = *((MediaPlayer::Ptr *)ctx);
@@ -122,6 +131,15 @@ API_EXPORT int API_CALL mk_player_video_fps(mk_player ctx) {
     return track ? track->getVideoFps() : 0;
 }
 
+
+API_EXPORT int API_CALL mk_player_audio_codecId(mk_player ctx)
+{
+    assert(ctx);
+    MediaPlayer::Ptr& player = *((MediaPlayer::Ptr*)ctx);
+    auto track = dynamic_pointer_cast<AudioTrack>(player->getTrack(TrackAudio));
+    return track ? track->getCodecId() : CodecInvalid;
+}
+
 API_EXPORT int API_CALL mk_player_audio_samplerate(mk_player ctx) {
     assert(ctx);
     MediaPlayer::Ptr &player = *((MediaPlayer::Ptr *)ctx);
diff --git a/src/Common/MediaSink.cpp b/src/Common/MediaSink.cpp
index de315706..7bc30eac 100644
--- a/src/Common/MediaSink.cpp
+++ b/src/Common/MediaSink.cpp
@@ -35,6 +35,23 @@ void MediaSink::addTrack(const Track::Ptr &track_in) {
         if (_allTrackReady) {
             onTrackFrame(frame);
         }
+        else
+        {
+            if (frame->getTrackType() == TrackVideo)
+            {
+                checkTrackIfReady(nullptr);
+
+                if (_allTrackReady) {
+                    onTrackFrame(frame);
+                }
+                else
+                {
+                    ErrorL << " 还有track未准备好，丢帧 codecName: " << frame->getCodecName();
+                }
+
+            }else
+                ErrorL << " 还有track未准备好，丢帧 codecName: " << frame->getCodecName();
+        }
     }));
 }
 
@@ -116,6 +133,7 @@ void MediaSink::emitAllTrackReady() {
         return;
     }
 
+    DebugL << "all track ready use " << _ticker.elapsedTime() << "ms";
     if (!_trackReadyCallback.empty()) {
         //这是超时强制忽略未准备好的Track
         _trackReadyCallback.clear();
diff --git a/src/Extension/Factory.cpp b/src/Extension/Factory.cpp
index 7ae50863..1fd6c754 100644
--- a/src/Extension/Factory.cpp
+++ b/src/Extension/Factory.cpp
@@ -169,7 +169,7 @@ RtpCodec::Ptr Factory::getRtpDecoderByTrack(const Track::Ptr &track) {
 
 /////////////////////////////rtmp相关///////////////////////////////////////////
 
-Track::Ptr Factory::getTrackByAmf(const AMFValue &amf) {
+Track::Ptr Factory::getVideoTrackByAmf(const AMFValue &amf) {
     CodecId codecId = getCodecIdByAmf(amf);
     if(codecId == CodecInvalid){
         return nullptr;
@@ -178,6 +178,15 @@ Track::Ptr Factory::getTrackByAmf(const AMFValue &amf) {
 }
 
 
+mediakit::Track::Ptr Factory::getAudioTrackByAmf(const AMFValue& amf)
+{
+    CodecId codecId = getAudioCodecIdByAmf(amf);
+    if (codecId == CodecInvalid) {
+        return nullptr;
+    }
+    return getTrackByCodecId(codecId);
+}
+
 CodecId Factory::getCodecIdByAmf(const AMFValue &val){
     if (val.type() == AMF_STRING){
         auto str = val.as_string();
@@ -212,6 +221,36 @@ CodecId Factory::getCodecIdByAmf(const AMFValue &val){
 }
 
 
+CodecId Factory::getAudioCodecIdByAmf(const AMFValue& val)
+{
+    if (val.type() == AMF_STRING) {
+        auto str = val.as_string();
+        if (str == "mp4a") {
+            return CodecAAC;
+        }
+        WarnL << "暂不支持该Amf:" << str;
+        return CodecInvalid;
+    }
+
+    if (val.type() != AMF_NULL) {
+        auto type_id = val.as_integer();
+        switch (type_id) {
+        case FLV_CODEC_AAC: return CodecAAC;
+        case FLV_CODEC_G711A: return CodecG711A;
+        case FLV_CODEC_G711U: return CodecG711U;
+
+        default:
+            WarnL << "暂不支持该Amf:" << type_id;
+            return CodecInvalid;
+        }
+    }
+    else {
+        WarnL << "Metadata不存在相应的Track";
+    }
+
+    return CodecInvalid;
+}
+
 RtmpCodec::Ptr Factory::getRtmpCodecByTrack(const Track::Ptr &track) {
     switch (track->getCodecId()){
         case CodecH264:
@@ -234,8 +273,8 @@ AMFValue Factory::getAmfByCodecId(CodecId codecId) {
         case CodecAAC: return AMFValue("mp4a");
         case CodecH264: return AMFValue("avc1");
         case CodecH265: return AMFValue(FLV_CODEC_H265);
-        case CodecG711A: return AMFValue(7);
-        case CodecG711U: return AMFValue(8);
+        case CodecG711A: return AMFValue(FLV_CODEC_G711A);
+        case CodecG711U: return AMFValue(FLV_CODEC_G711U);
         default: return AMFValue(AMF_NULL);
     }
 }
diff --git a/src/Extension/Factory.h b/src/Extension/Factory.h
index fd53a5b7..c8ad09a3 100644
--- a/src/Extension/Factory.h
+++ b/src/Extension/Factory.h
@@ -56,11 +56,18 @@ public:
     ////////////////////////////////rtmp相关//////////////////////////////////
 
     /**
-     * 根据amf对象获取响应的Track
-     * @param amf rtmp metadata中的videocodecid或audiocodecid的值
+     * 根据amf对象获取视频相应的Track
+     * @param amf rtmp metadata中的videocodecid的值
      * @return
      */
-    static Track::Ptr getTrackByAmf(const AMFValue &amf);
+    static Track::Ptr getVideoTrackByAmf(const AMFValue &amf);
+
+    /**
+     * 根据amf对象获取音频相应的Track
+     * @param amf rtmp metadata中的audiocodecid的值
+     * @return
+     */
+    static Track::Ptr getAudioTrackByAmf(const AMFValue& amf);
 
     /**
      * 根据amf对象获取相应的CodecId
@@ -69,6 +76,13 @@ public:
      */
     static CodecId getCodecIdByAmf(const AMFValue &val);
 
+    /**
+     * 根据amf对象获取音频相应的CodecId
+     * @param val rtmp metadata中的audiocodecid的值
+     * @return
+     */
+    static CodecId getAudioCodecIdByAmf(const AMFValue& val);
+
     /**
      * 根据Track获取Rtmp的编解码器
      * @param track 媒体描述对象
diff --git a/src/Extension/Frame.cpp b/src/Extension/Frame.cpp
index 9244ca7c..9d543706 100644
--- a/src/Extension/Frame.cpp
+++ b/src/Extension/Frame.cpp
@@ -28,6 +28,8 @@ const char *CodecInfo::getCodecName() {
         SWITCH_CASE(CodecH264);
         SWITCH_CASE(CodecH265);
         SWITCH_CASE(CodecAAC);
+        SWITCH_CASE(CodecG711A);
+        SWITCH_CASE(CodecG711U);
         default:
             return "unknown codec";
     }
diff --git a/src/Extension/G711.cpp b/src/Extension/G711.cpp
index f3492770..ee4211a8 100644
--- a/src/Extension/G711.cpp
+++ b/src/Extension/G711.cpp
@@ -15,7 +15,7 @@ namespace mediakit{
 
 Sdp::Ptr G711Track::getSdp() {
     if(!ready()){
-        WarnL << "AAC Track未准备好";
+        WarnL << getCodecName() << " Track未准备好";
         return nullptr;
     }
     return std::make_shared<G711Sdp>(getCodecId(), getAudioSampleRate(), getCodecId() == CodecG711A ? 8 : 0, getAudioSampleBit());
diff --git a/src/Extension/G711.h b/src/Extension/G711.h
index 4dc99293..94c66975 100644
--- a/src/Extension/G711.h
+++ b/src/Extension/G711.h
@@ -57,7 +57,7 @@ public:
     }
 
     CodecId getCodecId() const override{
-        return CodecAAC;
+        return _codecId;
     }
 
     bool keyFrame() const override {
@@ -68,6 +68,7 @@ public:
         return false;
     }
 public:
+    CodecId _codecId = CodecG711A;
     unsigned int frameLength; // 一个帧的长度包括 raw data block
     unsigned char buffer[2 * 1024 + 7];
     uint32_t timeStamp;
diff --git a/src/Extension/G711Rtmp.h b/src/Extension/G711Rtmp.h
index aa63ef08..3ab29765 100644
--- a/src/Extension/G711Rtmp.h
+++ b/src/Extension/G711Rtmp.h
@@ -51,7 +51,7 @@ protected:
     G711Frame::Ptr obtainFrame();
 protected:
     G711Frame::Ptr _adts;
-    CodecId _codecid = CodecG711A;
+    CodecId _codecid = CodecInvalid;
 
 };
 
diff --git a/src/Extension/G711Rtp.cpp b/src/Extension/G711Rtp.cpp
index 63eff6f3..c55cd956 100644
--- a/src/Extension/G711Rtp.cpp
+++ b/src/Extension/G711Rtp.cpp
@@ -51,12 +51,11 @@ void G711RtpEncoder::makeG711Rtp(const void *data, unsigned int len, bool mark,
 /////////////////////////////////////////////////////////////////////////////////////
 
 G711RtpDecoder::G711RtpDecoder(const Track::Ptr &track){
-    auto aacTrack = dynamic_pointer_cast<G711Track>(track);
-    _codecid = aacTrack->getCodecId();
-    if(!aacTrack || !aacTrack->ready()){
+    auto g711Track = dynamic_pointer_cast<G711Track>(track);
+    _codecid = g711Track->getCodecId();
+    if(!g711Track || !g711Track->ready()){
         WarnL << "该g711 track无效!";
     }else{
-        //_aac_cfg = aacTrack->getAacCfg();
     }
     _adts = obtainFrame();
 }
@@ -81,6 +80,7 @@ bool G711RtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool key_pos) {
 
     _adts->frameLength = length;
     memcpy(_adts->buffer, rtp_packet_buf, length);
+    _adts->_codecId = _codecid;
     if (rtppack->mark == true) {
         _adts->timeStamp = rtppack->timeStamp;
         onGetG711(_adts);
diff --git a/src/Extension/G711Rtp.h b/src/Extension/G711Rtp.h
index 0a429123..2d052720 100644
--- a/src/Extension/G711Rtp.h
+++ b/src/Extension/G711Rtp.h
@@ -44,7 +44,7 @@ private:
     G711Frame::Ptr obtainFrame();
 private:
     G711Frame::Ptr _adts;
-    CodecId _codecid = CodecG711A;
+    CodecId _codecid = CodecInvalid;
 };
 
 
diff --git a/src/Rtmp/Rtmp.h b/src/Rtmp/Rtmp.h
index a02fc0d8..53df18dd 100644
--- a/src/Rtmp/Rtmp.h
+++ b/src/Rtmp/Rtmp.h
@@ -75,6 +75,9 @@ using namespace toolkit;
 #define FLV_CODEC_AAC 10
 #define FLV_CODEC_H264 7
 #define FLV_CODEC_H265 12
+#define FLV_CODEC_G711A 7
+#define FLV_CODEC_G711U 8
+
 
 namespace mediakit {
 
diff --git a/src/Rtmp/RtmpDemuxer.cpp b/src/Rtmp/RtmpDemuxer.cpp
index bfdd6795..26a3106f 100644
--- a/src/Rtmp/RtmpDemuxer.cpp
+++ b/src/Rtmp/RtmpDemuxer.cpp
@@ -61,7 +61,7 @@ bool RtmpDemuxer::inputRtmp(const RtmpPacket::Ptr &pkt) {
 
 void RtmpDemuxer::makeVideoTrack(const AMFValue &videoCodec) {
     //生成Track对象
-    _videoTrack = dynamic_pointer_cast<VideoTrack>(Factory::getTrackByAmf(videoCodec));
+    _videoTrack = dynamic_pointer_cast<VideoTrack>(Factory::getVideoTrackByAmf(videoCodec));
     if (_videoTrack) {
         //生成rtmpCodec对象以便解码rtmp
         _videoRtmpDecoder = Factory::getRtmpCodecByTrack(_videoTrack);
@@ -78,7 +78,7 @@ void RtmpDemuxer::makeVideoTrack(const AMFValue &videoCodec) {
 
 void RtmpDemuxer::makeAudioTrack(const AMFValue &audioCodec) {
     //生成Track对象
-    _audioTrack = dynamic_pointer_cast<AudioTrack>(Factory::getTrackByAmf(audioCodec));
+    _audioTrack = dynamic_pointer_cast<AudioTrack>(Factory::getAudioTrackByAmf(audioCodec));
     if (_audioTrack) {
         //生成rtmpCodec对象以便解码rtmp
         _audioRtmpDecoder = Factory::getRtmpCodecByTrack(_audioTrack);