diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index 3b5de80f..9c5aad98 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit 3b5de80f9effe28c4a38fef5beec50eadfc916cf
+Subproject commit 9c5aad98d0eb50903e643eb9965b8bc34cd9f77d
diff --git a/api/tests/server.c b/api/tests/server.c
index c8cf9834..48ef088b 100644
--- a/api/tests/server.c
+++ b/api/tests/server.c
@@ -371,8 +371,8 @@ void API_CALL on_mk_shell_login(const char *user_name,
  * @param peer_port 客户端端口号
  */
 void API_CALL on_mk_flow_report(const mk_media_info url_info,
-                                uint64_t total_bytes,
-                                uint64_t total_seconds,
+                                size_t total_bytes,
+                                size_t total_seconds,
                                 int is_player,
                                 const mk_sock_info sender) {
     char ip[64];
diff --git a/server/FFmpegSource.cpp b/server/FFmpegSource.cpp
index 331ecdcc..150b0603 100644
--- a/server/FFmpegSource.cpp
+++ b/server/FFmpegSource.cpp
@@ -59,7 +59,7 @@ static bool is_local_ip(const string &ip){
     return false;
 }
 
-void FFmpegSource::setupRecord(bool enable_hls, bool enable_mp4){
+void FFmpegSource::setupRecordFlag(bool enable_hls, bool enable_mp4){
     _enable_hls = enable_hls;
     _enable_mp4 = enable_mp4;
 }
@@ -173,7 +173,7 @@ void FFmpegSource::findAsync(int maxWaitMS, const function<void(const MediaSourc
         NoticeCenter::Instance().delListener(listener_tag,Broadcast::kBroadcastMediaChanged);
 
         //切换到自己的线程再回复
-        strongSelf->_poller->async([listener_tag,weakSelf,cb](){
+        strongSelf->_poller->async([weakSelf,cb](){
             auto strongSelf = weakSelf.lock();
             if(!strongSelf) {
                 return;
diff --git a/server/FFmpegSource.h b/server/FFmpegSource.h
index cabb7bb8..8bc8cff5 100644
--- a/server/FFmpegSource.h
+++ b/server/FFmpegSource.h
@@ -67,7 +67,7 @@ public:
      * @param enable_hls 是否开启hls直播或录制
      * @param enable_mp4 是否录制mp4
      */
-    void setupRecord(bool enable_hls, bool enable_mp4);
+    void setupRecordFlag(bool enable_hls, bool enable_mp4);
 
 private:
     void findAsync(int maxWaitMS ,const function<void(const MediaSource::Ptr &src)> &cb);
diff --git a/server/System.cpp b/server/System.cpp
index 2769fcb5..20441f29 100644
--- a/server/System.cpp
+++ b/server/System.cpp
@@ -51,11 +51,6 @@ string System::execute(const string &cmd) {
 }
 
 #if !defined(ANDROID) && !defined(_WIN32)
-static string addr2line(const string &address) {
-    string cmd = StrPrinter << "addr2line -C -f -e " << exePath() << " " << address;
-    return System::execute(cmd);
-}
-
 static void sig_crash(int sig) {
     signal(sig, SIG_DFL);
     void *array[MAX_STACK_FRAMES];
@@ -68,6 +63,10 @@ static void sig_crash(int sig) {
         std::string symbol(strings[i]);
         ref.emplace_back(symbol);
 #if defined(__linux) || defined(__linux__)
+        static auto addr2line = [](const string &address) {
+            string cmd = StrPrinter << "addr2line -C -f -e " << exePath() << " " << address;
+            return System::execute(cmd);
+        };
         size_t pos1 = symbol.find_first_of("[");
         size_t pos2 = symbol.find_last_of("]");
         std::string address = symbol.substr(pos1 + 1, pos2 - pos1 - 1);
diff --git a/server/WebApi.cpp b/server/WebApi.cpp
index 44306347..d608d8fc 100755
--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@@ -683,7 +683,7 @@ void installWebApi() {
             lock_guard<decltype(s_ffmpegMapMtx)> lck(s_ffmpegMapMtx);
             s_ffmpegMap.erase(key);
         });
-        ffmpeg->setupRecord(enable_hls, enable_mp4);
+        ffmpeg->setupRecordFlag(enable_hls, enable_mp4);
         ffmpeg->play(src_url, dst_url, timeout_ms, [cb, key](const SockException &ex) {
             if (ex) {
                 lock_guard<decltype(s_ffmpegMapMtx)> lck(s_ffmpegMapMtx);
diff --git a/src/Common/MultiMediaSourceMuxer.cpp b/src/Common/MultiMediaSourceMuxer.cpp
index e90480b2..cbd87b26 100644
--- a/src/Common/MultiMediaSourceMuxer.cpp
+++ b/src/Common/MultiMediaSourceMuxer.cpp
@@ -260,7 +260,7 @@ static string getTrackInfoStr(const TrackSource *track_src){
                 break;
         }
     }
-    return codec_info;
+    return std::move(codec_info);
 }
 
 void MultiMuxerPrivate::onAllTrackReady() {
diff --git a/src/Http/HlsPlayer.cpp b/src/Http/HlsPlayer.cpp
index dd30f6be..ed260ae4 100644
--- a/src/Http/HlsPlayer.cpp
+++ b/src/Http/HlsPlayer.cpp
@@ -83,7 +83,7 @@ void HlsPlayer::playNextTs(bool force){
             strongSelf->playNextTs(true);
         } else {
             //下一个切片慢点播放
-            strongSelf->_timer_ts.reset(new Timer(delay / 1000.0f, [weakSelf, delay]() {
+            strongSelf->_timer_ts.reset(new Timer(delay / 1000.0f, [weakSelf]() {
                 auto strongSelf = weakSelf.lock();
                 if (!strongSelf) {
                     return false;
diff --git a/src/Http/HttpBody.cpp b/src/Http/HttpBody.cpp
index d36cb47c..fc316949 100644
--- a/src/Http/HttpBody.cpp
+++ b/src/Http/HttpBody.cpp
@@ -144,7 +144,7 @@ Buffer::Ptr HttpFileBody::readData(size_t size) {
             //读到数据了
             ret->setSize(iRead);
             _offset += iRead;
-            return ret;
+            return std::move(ret);
         }
         //读取文件异常，文件真实长度小于声明长度
         _offset = _max_size;
@@ -218,7 +218,7 @@ string HttpMultiFormBody::multiFormBodySuffix(const string &boundary){
     string endMPboundary = MPboundary + "--";
     _StrPrinter body;
     body << "\r\n" << endMPboundary;
-    return body;
+    return std::move(body);
 }
 
 size_t HttpMultiFormBody::fileSize(FILE *fp) {
@@ -244,7 +244,7 @@ string HttpMultiFormBody::multiFormBodyPrefix(const HttpArgs &args,const string
     body << MPboundary << "\r\n";
     body << "Content-Disposition: form-data; name=\"" << "file" << "\";filename=\"" << fileName << "\"\r\n";
     body << "Content-Type: application/octet-stream\r\n\r\n" ;
-    return body;
+    return std::move(body);
 }
 
 }//namespace mediakit
diff --git a/src/Http/HttpSession.cpp b/src/Http/HttpSession.cpp
index 15ed9e9b..108d87bf 100644
--- a/src/Http/HttpSession.cpp
+++ b/src/Http/HttpSession.cpp
@@ -674,7 +674,7 @@ void HttpSession::Handle_Req_POST(size_t &content_len) {
         //返回不固定长度的content
         content_len = -1;
         auto parserCopy = _parser;
-        std::shared_ptr<size_t> recvedContentLen = std::make_shared<uint64_t>(0);
+        std::shared_ptr<size_t> recvedContentLen = std::make_shared<size_t>(0);
         bool bClose = !strcasecmp(_parser["Connection"].data(),"close");
 
         _contentCallBack = [this,parserCopy,totalContentLen,recvedContentLen,bClose](const char *data,size_t len){
diff --git a/src/Http/WebSocketSplitter.cpp b/src/Http/WebSocketSplitter.cpp
index 569a71ad..091a2e4c 100644
--- a/src/Http/WebSocketSplitter.cpp
+++ b/src/Http/WebSocketSplitter.cpp
@@ -53,7 +53,7 @@ do{ \
     } \
 }while(0) \
 
-void WebSocketSplitter::decode(uint8_t *data,size_t len) {
+void WebSocketSplitter::decode(uint8_t *data, size_t len) {
     uint8_t *ptr = data;
     if(!_got_header) {
         //还没有获取数据头
diff --git a/src/Http/WebSocketSplitter.h b/src/Http/WebSocketSplitter.h
index 4b43722d..8c89d5c7 100644
--- a/src/Http/WebSocketSplitter.h
+++ b/src/Http/WebSocketSplitter.h
@@ -95,7 +95,7 @@ public:
      * @param data 需要解包的数据，可能是不完整的包或多个包
      * @param len 数据长度
      */
-    void decode(uint8_t *data,uint64_t len);
+    void decode(uint8_t *data, size_t len);
 
     /**
      * 编码一个数据包
@@ -119,7 +119,7 @@ protected:
      * @param len 负载数据长度
      * @param recved 已接收数据长度(包含本次数据长度)，等于header._payload_len时则接受完毕
      */
-    virtual void onWebSocketDecodePayload(const WebSocketHeader &header, const uint8_t *ptr, uint64_t len, uint64_t recved) {};
+    virtual void onWebSocketDecodePayload(const WebSocketHeader &header, const uint8_t *ptr, size_t len, size_t recved) {};
 
     /**
      * 接收到完整的一个webSocket数据包后回调
@@ -135,13 +135,13 @@ protected:
     virtual void onWebSocketEncodeData(Buffer::Ptr buffer){};
 
 private:
-    void onPayloadData(uint8_t *data, uint64_t len);
+    void onPayloadData(uint8_t *data, size_t len);
 
 private:
-    string _remain_data;
-    int _mask_offset = 0;
     bool _got_header = false;
-    uint64_t _payload_offset = 0;
+    int _mask_offset = 0;
+    size_t _payload_offset = 0;
+    string _remain_data;
 };
 
 } /* namespace mediakit */
diff --git a/src/Record/MP4.cpp b/src/Record/MP4.cpp
index 679e750a..e344aafb 100644
--- a/src/Record/MP4.cpp
+++ b/src/Record/MP4.cpp
@@ -121,7 +121,7 @@ static struct mov_buffer_t s_io = {
         },
         [](void *ctx) {
             MP4FileIO *thiz = (MP4FileIO *) ctx;
-            return thiz->onTell();
+            return (uint64_t)thiz->onTell();
         }
 };
 
diff --git a/src/Rtmp/RtmpPlayer.cpp b/src/Rtmp/RtmpPlayer.cpp
index 2b128ca7..eeda3f2a 100644
--- a/src/Rtmp/RtmpPlayer.cpp
+++ b/src/Rtmp/RtmpPlayer.cpp
@@ -214,7 +214,7 @@ inline void RtmpPlayer::send_play() {
     AMFEncoder enc;
     enc << "play" << ++_send_req_id << nullptr << _stream_id << (double) _stream_index;
     sendRequest(MSG_CMD, enc.data());
-    auto fun = [this](AMFValue &val) {
+    auto fun = [](AMFValue &val) {
         //TraceL << "play onStatus";
         auto level = val["level"].as_string();
         auto code = val["code"].as_string();
diff --git a/src/Rtp/RtpProcess.cpp b/src/Rtp/RtpProcess.cpp
index c234ae20..ec2bf167 100644
--- a/src/Rtp/RtpProcess.cpp
+++ b/src/Rtp/RtpProcess.cpp
@@ -192,7 +192,7 @@ string RtpProcess::getIdentifier() const {
     return _media_info._streamid;
 }
 
-int RtpProcess::totalReaderCount() {
+int RtpProcess::getTotalReaderCount() {
     return _muxer ? _muxer->totalReaderCount() : 0;
 }
 
diff --git a/src/Rtp/RtpProcess.h b/src/Rtp/RtpProcess.h
index bd533553..3b78f35f 100644
--- a/src/Rtp/RtpProcess.h
+++ b/src/Rtp/RtpProcess.h
@@ -15,8 +15,6 @@
 #include "ProcessInterface.h"
 #include "Common/MultiMediaSourceMuxer.h"
 
-using namespace mediakit;
-
 namespace mediakit {
 
 class RtpProcess : public SockInfo, public MediaSinkInterface, public MediaSourceEventInterceptor, public std::enable_shared_from_this<RtpProcess>{
@@ -65,7 +63,7 @@ public:
     uint16_t get_peer_port() override;
     string getIdentifier() const override;
 
-    int totalReaderCount();
+    int getTotalReaderCount();
     void setListener(const std::weak_ptr<MediaSourceEvent> &listener);
 
 protected:
diff --git a/src/Rtp/RtpSelector.cpp b/src/Rtp/RtpSelector.cpp
index 57e84451..71fa02bd 100644
--- a/src/Rtp/RtpSelector.cpp
+++ b/src/Rtp/RtpSelector.cpp
@@ -138,7 +138,7 @@ void RtpProcessHelper::attachEvent() {
 
 bool RtpProcessHelper::close(MediaSource &sender, bool force) {
     //此回调在其他线程触发
-    if (!_process || (!force && _process->totalReaderCount())) {
+    if (!_process || (!force && _process->getTotalReaderCount())) {
         return false;
     }
     auto parent = _parent.lock();
@@ -151,7 +151,7 @@ bool RtpProcessHelper::close(MediaSource &sender, bool force) {
 }
 
 int RtpProcessHelper::totalReaderCount(MediaSource &sender) {
-    return _process ? _process->totalReaderCount() : sender.totalReaderCount();
+    return _process ? _process->getTotalReaderCount() : sender.totalReaderCount();
 }
 
 RtpProcess::Ptr &RtpProcessHelper::getProcess() {
diff --git a/src/Rtp/RtpSession.cpp b/src/Rtp/RtpSession.cpp
index fed21095..bf89073d 100644
--- a/src/Rtp/RtpSession.cpp
+++ b/src/Rtp/RtpSession.cpp
@@ -79,7 +79,7 @@ void RtpSession::onRtpPacket(const char *data, size_t len) {
 
 bool RtpSession::close(MediaSource &sender, bool force) {
     //此回调在其他线程触发
-    if(!_process || (!force && _process->totalReaderCount())){
+    if(!_process || (!force && _process->getTotalReaderCount())){
         return false;
     }
     string err = StrPrinter << "close media:" << sender.getSchema() << "/" << sender.getVhost() << "/" << sender.getApp() << "/" << sender.getId() << " " << force;
@@ -89,7 +89,7 @@ bool RtpSession::close(MediaSource &sender, bool force) {
 
 int RtpSession::totalReaderCount(MediaSource &sender) {
     //此回调在其他线程触发
-    return _process ? _process->totalReaderCount() : sender.totalReaderCount();
+    return _process ? _process->getTotalReaderCount() : sender.totalReaderCount();
 }
 
 }//namespace mediakit
diff --git a/src/Rtsp/Rtsp.cpp b/src/Rtsp/Rtsp.cpp
index 0467dc38..d6cf72b8 100644
--- a/src/Rtsp/Rtsp.cpp
+++ b/src/Rtsp/Rtsp.cpp
@@ -121,7 +121,7 @@ string SdpTrack::toString() const {
         default:
             break;
     }
-    return _printer;
+    return std::move(_printer);
 }
 
 static TrackType toTrackType(const string &str) {
diff --git a/src/Rtsp/RtspPusher.cpp b/src/Rtsp/RtspPusher.cpp
index db7eba9d..38354653 100644
--- a/src/Rtsp/RtspPusher.cpp
+++ b/src/Rtsp/RtspPusher.cpp
@@ -309,7 +309,7 @@ void RtspPusher::handleResSetup(const Parser &parser, unsigned int track_idx) {
 }
 
 void RtspPusher::sendOptions() {
-    _on_res_func = [this](const Parser &parser) {};
+    _on_res_func = [](const Parser &parser) {};
     sendRtspRequest("OPTIONS", _content_base);
 }