diff --git a/src/Rtp/GB28181Process.cpp b/src/Rtp/GB28181Process.cpp
index 9c611f66..6400c98f 100644
--- a/src/Rtp/GB28181Process.cpp
+++ b/src/Rtp/GB28181Process.cpp
@@ -15,6 +15,7 @@
 #include "Extension/CommonRtp.h"
 #include "Extension/H264Rtp.h"
 #include "Extension/Factory.h"
+#include "Extension/Opus.h"
 
 namespace mediakit{
 
@@ -26,15 +27,16 @@ static inline bool checkTS(const uint8_t *packet, size_t bytes){
 class RtpReceiverImp : public RtpReceiver {
 public:
     using Ptr = std::shared_ptr<RtpReceiverImp>;
-    RtpReceiverImp( function<void(RtpPacket::Ptr rtp)> cb,  function<void(const RtpPacket::Ptr &rtp)> cb_before = nullptr){
+    RtpReceiverImp(int sample_rate, function<void(RtpPacket::Ptr rtp)> cb,  function<void(const RtpPacket::Ptr &rtp)> cb_before = nullptr){
+        _sample_rate = sample_rate;
         _on_sort = std::move(cb);
         _on_before_sort = std::move(cb_before);
     }
 
     ~RtpReceiverImp() override = default;
 
-    bool inputRtp(TrackType type, int samplerate, uint8_t *ptr, size_t len){
-        return handleOneRtp((int) type, type, samplerate, ptr, len);
+    bool inputRtp(TrackType type, uint8_t *ptr, size_t len){
+        return handleOneRtp((int) type, type, _sample_rate, ptr, len);
     }
 
 protected:
@@ -49,6 +51,7 @@ protected:
     }
 
 private:
+    int _sample_rate;
     function<void(RtpPacket::Ptr rtp)> _on_sort;
     function<void(const RtpPacket::Ptr &rtp)> _on_before_sort;
 };
@@ -63,49 +66,66 @@ GB28181Process::GB28181Process(const MediaInfo &media_info, MediaSinkInterface *
 
 GB28181Process::~GB28181Process() {}
 
-bool GB28181Process::inputRtp(bool, const char *data, size_t data_len) {
-    RtpHeader *header = (RtpHeader *) data;
-    auto &ref = _rtp_receiver[header->pt];
-    if (!ref) {
-        ref = std::make_shared<RtpReceiverImp>([this](RtpPacket::Ptr rtp) {
-            onRtpSorted(std::move(rtp));
-        });
-    }
-    return ref->inputRtp(TrackVideo, RtpPayload::getClockRate(header->pt), (unsigned char *) data, data_len);
+void GB28181Process::onRtpSorted(RtpPacket::Ptr rtp) {
+    _rtp_decoder[rtp->getHeader()->pt]->inputRtp(rtp, false);
 }
 
-void GB28181Process::onRtpSorted(RtpPacket::Ptr rtp) {
-    auto pt = rtp->getHeader()->pt;
-    auto &ref = _rtp_decoder[pt];
+bool GB28181Process::inputRtp(bool, const char *data, size_t data_len) {
+    RtpHeader *header = (RtpHeader *) data;
+    auto pt = header->pt;
+    auto &ref = _rtp_receiver[pt];
     if (!ref) {
+        if (_rtp_receiver.size() > 2) {
+            //防止pt类型太多导致内存溢出
+            throw std::invalid_argument("rtp pt类型不得超过2种!");
+        }
         switch (pt) {
+            case 100: {
+                //opus负载
+                ref = std::make_shared<RtpReceiverImp>(48000,[this](RtpPacket::Ptr rtp) {
+                    onRtpSorted(std::move(rtp));
+                });
+
+                auto track = std::make_shared<OpusTrack>();
+                _interface->addTrack(track);
+                _rtp_decoder[pt] = Factory::getRtpDecoderByTrack(track);
+                break;
+            }
+
             case 99: {
                 //H265负载
+                ref = std::make_shared<RtpReceiverImp>(90000,[this](RtpPacket::Ptr rtp) {
+                    onRtpSorted(std::move(rtp));
+                });
+
                 auto track = std::make_shared<H265Track>();
                 _interface->addTrack(track);
-                ref = Factory::getRtpDecoderByTrack(track);
+                _rtp_decoder[pt] = Factory::getRtpDecoderByTrack(track);
                 break;
             }
             case 98: {
                 //H264负载
+                ref = std::make_shared<RtpReceiverImp>(90000,[this](RtpPacket::Ptr rtp) {
+                    onRtpSorted(std::move(rtp));
+                });
+
                 auto track = std::make_shared<H264Track>();
                 _interface->addTrack(track);
-                ref = Factory::getRtpDecoderByTrack(track);
-                break;
-            }
-            case 0: {
-                //CodecG711U
-                auto track = std::make_shared<G711Track>(CodecG711U, 8000, 1, 16);
-                _interface->addTrack(track);
-                ref = Factory::getRtpDecoderByTrack(track);
+                _rtp_decoder[pt] = Factory::getRtpDecoderByTrack(track);
                 break;
             }
 
+            case 0:
+                //CodecG711U
             case 8: {
                 //CodecG711A
-                auto track = std::make_shared<G711Track>(CodecG711A, 8000, 1, 16);
+                ref = std::make_shared<RtpReceiverImp>(8000,[this](RtpPacket::Ptr rtp) {
+                    onRtpSorted(std::move(rtp));
+                });
+
+                auto track = std::make_shared<G711Track>(pt == 0 ? CodecG711U : CodecG711A, 8000, 1, 16);
                 _interface->addTrack(track);
-                ref = Factory::getRtpDecoderByTrack(track);
+                _rtp_decoder[pt] = Factory::getRtpDecoderByTrack(track);
                 break;
             }
 
@@ -113,8 +133,13 @@ void GB28181Process::onRtpSorted(RtpPacket::Ptr rtp) {
                 if (pt != 33 && pt != 96) {
                     WarnL << "rtp payload type未识别(" << (int) pt << "),已按ts或ps负载处理";
                 }
+
+                ref = std::make_shared<RtpReceiverImp>(90000,[this](RtpPacket::Ptr rtp) {
+                    onRtpSorted(std::move(rtp));
+                });
+
                 //ts或ps负载
-                ref = std::make_shared<CommonRtpDecoder>(CodecInvalid, 32 * 1024);
+                _rtp_decoder[pt] = std::make_shared<CommonRtpDecoder>(CodecInvalid, 32 * 1024);
                 //设置dump目录
                 GET_CONFIG(string, dump_dir, RtpProxy::kDumpDir);
                 if (!dump_dir.empty()) {
@@ -130,13 +155,12 @@ void GB28181Process::onRtpSorted(RtpPacket::Ptr rtp) {
         }
 
         //设置frame回调
-        ref->addDelegate(std::make_shared<FrameWriterInterfaceHelper>([this](const Frame::Ptr &frame) {
+        _rtp_decoder[pt]->addDelegate(std::make_shared<FrameWriterInterfaceHelper>([this](const Frame::Ptr &frame) {
             onRtpDecode(frame);
         }));
     }
 
-    //解码rtp
-    ref->inputRtp(rtp, false);
+    return ref->inputRtp(TrackVideo, (unsigned char *) data, data_len);
 }
 
 const char *GB28181Process::onSearchPacketTail(const char *packet,size_t bytes){