diff --git a/src/Rtmp/FlvMuxer.cpp b/src/Rtmp/FlvMuxer.cpp
index 84f0eb1a..5728d30f 100644
--- a/src/Rtmp/FlvMuxer.cpp
+++ b/src/Rtmp/FlvMuxer.cpp
@@ -16,6 +16,10 @@
 
 namespace mediakit {
 
+FlvMuxer::FlvMuxer(){
+    _packet_pool.setSize(64);
+}
+
 void FlvMuxer::start(const EventPoller::Ptr &poller, const RtmpMediaSource::Ptr &media) {
     if (!media) {
         throw std::runtime_error("RtmpMediaSource 无效");
@@ -62,15 +66,19 @@ void FlvMuxer::start(const EventPoller::Ptr &poller, const RtmpMediaSource::Ptr
     });
 }
 
+BufferRaw::Ptr FlvMuxer::obtainBuffer() {
+    return _packet_pool.obtain();
+}
+
 BufferRaw::Ptr FlvMuxer::obtainBuffer(const void *data, size_t len) {
-    auto buffer = BufferRaw::create();
+    auto buffer = obtainBuffer();
     buffer->assign((const char *) data, len);
     return buffer;
 }
 
 void FlvMuxer::onWriteFlvHeader(const RtmpMediaSource::Ptr &src) {
     //发送flv文件头
-    auto buffer = BufferRaw::create();
+    auto buffer = obtainBuffer();
     buffer->setCapacity(sizeof(FLVHeader));
     buffer->setSize(sizeof(FLVHeader));
 
diff --git a/src/Rtmp/FlvMuxer.h b/src/Rtmp/FlvMuxer.h
index 2f4a389c..caf1903c 100644
--- a/src/Rtmp/FlvMuxer.h
+++ b/src/Rtmp/FlvMuxer.h
@@ -22,7 +22,7 @@ namespace mediakit {
 class FlvMuxer {
 public:
     using Ptr = std::shared_ptr<FlvMuxer>;
-    FlvMuxer() = default;
+    FlvMuxer();
     virtual ~FlvMuxer() = default;
 
     void stop();
@@ -39,8 +39,10 @@ private:
     void onWriteFlvTag(const RtmpPacket::Ptr &pkt, uint32_t time_stamp, bool flush);
     void onWriteFlvTag(uint8_t type, const Buffer::Ptr &buffer, uint32_t time_stamp, bool flush);
     BufferRaw::Ptr obtainBuffer(const void *data, size_t len);
+    BufferRaw::Ptr obtainBuffer();
 
 private:
+    ResourcePool<BufferRaw> _packet_pool;
     //时间戳修整器
     Stamp _stamp[2];
     RtmpMediaSource::RingType::RingReader::Ptr _ring_reader;
diff --git a/src/Rtmp/RtmpProtocol.cpp b/src/Rtmp/RtmpProtocol.cpp
index d0c5f027..4f9a8af7 100644
--- a/src/Rtmp/RtmpProtocol.cpp
+++ b/src/Rtmp/RtmpProtocol.cpp
@@ -55,6 +55,7 @@ static string openssl_HMACsha256(const void *key, size_t key_len, const void *da
 namespace mediakit {
 
 RtmpProtocol::RtmpProtocol() {
+    _packet_pool.setSize(64);
     _next_step_func = [this](const char *data, size_t len) {
         return handle_C0C1(data, len);
     };
@@ -776,7 +777,7 @@ void RtmpProtocol::handle_chunk(RtmpPacket::Ptr packet) {
 }
 
 BufferRaw::Ptr RtmpProtocol::obtainBuffer(const void *data, size_t len) {
-    auto buffer = BufferRaw::create();
+    auto buffer = _packet_pool.obtain();
     if (data && len) {
         buffer->assign((const char *) data, len);
     }
diff --git a/src/Rtmp/RtmpProtocol.h b/src/Rtmp/RtmpProtocol.h
index 5a004874..fa51b191 100644
--- a/src/Rtmp/RtmpProtocol.h
+++ b/src/Rtmp/RtmpProtocol.h
@@ -107,6 +107,8 @@ private:
     function<const char * (const char *data, size_t len)> _next_step_func;
     ////////////Chunk////////////
     unordered_map<int, std::pair<RtmpPacket::Ptr/*now*/, RtmpPacket::Ptr/*last*/> > _map_chunk_data;
+    //循环池
+    ResourcePool<BufferRaw> _packet_pool;
 };
 
 } /* namespace mediakit */
diff --git a/webrtc/WebRtcTransport.cpp b/webrtc/WebRtcTransport.cpp
index 159fec74..2f396374 100644
--- a/webrtc/WebRtcTransport.cpp
+++ b/webrtc/WebRtcTransport.cpp
@@ -313,6 +313,7 @@ void WebRtcTransportImp::onCreate(){
 
 WebRtcTransportImp::WebRtcTransportImp(const EventPoller::Ptr &poller) : WebRtcTransport(poller) {
     InfoL << getIdentifier();
+    _packet_pool.setSize(64);
 }
 
 WebRtcTransportImp::~WebRtcTransportImp() {
@@ -329,7 +330,7 @@ void WebRtcTransportImp::onSendSockData(const char *buf, size_t len, struct sock
         WarnL << "send data failed:" << len;
         return;
     }
-    auto ptr = BufferRaw::create();
+    auto ptr = _packet_pool.obtain();
     ptr->assign(buf, len);
     //一次性发送一帧的rtp数据，提高网络io性能
     _session->setSendFlushFlag(flush);
@@ -385,10 +386,10 @@ void WebRtcTransportImp::onStartWebRTC() {
         _ssrc_to_track[track->offer_ssrc_rtx] = track;
 
         //rtp pt --> MediaTrack
-        _pt_to_track.emplace(track->plan_rtp->pt, new WrappedRtpTrack(track, _twcc_ctx, *this));
+        _pt_to_track.emplace(track->plan_rtp->pt, std::unique_ptr<WrappedMediaTrack>(new WrappedRtpTrack(track, _twcc_ctx, *this)));
         if (track->plan_rtx) {
             //rtx pt --> MediaTrack
-            _pt_to_track.emplace(track->plan_rtx->pt, new WrappedRtxTrack(track));
+            _pt_to_track.emplace(track->plan_rtx->pt, std::unique_ptr<WrappedMediaTrack>(new WrappedRtxTrack(track)));
         }
         if (m_offer->type != TrackApplication) {
             //记录rtp ext类型与id的关系，方便接收或发送rtp时修改rtp ext id
diff --git a/webrtc/WebRtcTransport.h b/webrtc/WebRtcTransport.h
index 45fd2e72..2879944a 100644
--- a/webrtc/WebRtcTransport.h
+++ b/webrtc/WebRtcTransport.h
@@ -214,8 +214,6 @@ struct WrappedRtpTrack : public WrappedMediaTrack {
     void inputRtp(const char *buf, size_t len, uint64_t stamp_ms, RtpHeader *rtp) override;
 };
 
-
-
 class WebRtcTransportImp : public WebRtcTransport {
 public:
     using Ptr = std::shared_ptr<WebRtcTransportImp>;
@@ -281,6 +279,8 @@ private:
     unordered_map<uint32_t/*ssrc*/, MediaTrack::Ptr> _ssrc_to_track;
     //根据接收rtp的pt获取相关信息
     unordered_map<uint8_t/*pt*/, std::unique_ptr<WrappedMediaTrack>> _pt_to_track;
+    //循环池
+    ResourcePool<BufferRaw> _packet_pool;
 };
 
 class WebRtcTransportManager {