diff --git a/api/source/mk_player.cpp b/api/source/mk_player.cpp
index 078f7140..82adc411 100755
--- a/api/source/mk_player.cpp
+++ b/api/source/mk_player.cpp
@@ -24,7 +24,7 @@ public:
     MediaPlayerForC(){
         _player = std::make_shared<MediaPlayer>();
     }
-    ~MediaPlayerForC(){}
+    ~MediaPlayerForC() = default;
 
     MediaPlayer *operator->(){
         return _player.get();
diff --git a/server/main.cpp b/server/main.cpp
index 27f0b422..3b5dfe2c 100644
--- a/server/main.cpp
+++ b/server/main.cpp
@@ -260,16 +260,16 @@ int start_main(int argc,char *argv[]) {
         auto shellSrv = std::make_shared<TcpServer>();
 
         //rtsp[s]服务器, 可用于诸如亚马逊echo show这样的设备访问
-        auto rtspSrv = std::make_shared<TcpServer>();;
-        auto rtspSSLSrv = std::make_shared<TcpServer>();;
+        auto rtspSrv = std::make_shared<TcpServer>();
+        auto rtspSSLSrv = std::make_shared<TcpServer>();
 
         //rtmp[s]服务器
-        auto rtmpSrv = std::make_shared<TcpServer>();;
-        auto rtmpsSrv = std::make_shared<TcpServer>();;
+        auto rtmpSrv = std::make_shared<TcpServer>();
+        auto rtmpsSrv = std::make_shared<TcpServer>();
 
         //http[s]服务器
-        auto httpSrv = std::make_shared<TcpServer>();;
-        auto httpsSrv = std::make_shared<TcpServer>();;
+        auto httpSrv = std::make_shared<TcpServer>();
+        auto httpsSrv = std::make_shared<TcpServer>();
 
 #if defined(ENABLE_RTPPROXY)
         //GB28181 rtp推流端口，支持UDP/TCP
diff --git a/src/Extension/Track.h b/src/Extension/Track.h
index c2fe2477..e7aa2b7c 100644
--- a/src/Extension/Track.h
+++ b/src/Extension/Track.h
@@ -24,9 +24,8 @@ namespace mediakit{
 class Track : public FrameDispatcher , public CodecInfo{
 public:
     using Ptr = std::shared_ptr<Track>;
-    Track(){}
-
-    virtual ~Track(){}
+    Track() = default;
+    virtual ~Track() = default;
 
     /**
      * 是否准备好，准备好才能获取譬如sps pps等信息
@@ -177,8 +176,8 @@ private:
 
 class TrackSource{
 public:
-    TrackSource(){}
-    virtual ~TrackSource(){}
+    TrackSource() = default;
+    virtual ~TrackSource() = default;
 
     /**
      * 获取全部的Track
diff --git a/src/Http/HttpBody.cpp b/src/Http/HttpBody.cpp
index faa6a3a0..a2442750 100644
--- a/src/Http/HttpBody.cpp
+++ b/src/Http/HttpBody.cpp
@@ -189,7 +189,7 @@ public:
         _data = map_addr.get() + offset;
         _size = size;
     }
-    ~BufferMmap() override {};
+    ~BufferMmap() override = default;
     //返回数据长度
     char *data() const override { return _data; }
     size_t size() const override { return _size; }
diff --git a/src/Http/HttpBody.h b/src/Http/HttpBody.h
index 51052a8e..a23de2b1 100644
--- a/src/Http/HttpBody.h
+++ b/src/Http/HttpBody.h
@@ -30,9 +30,9 @@ namespace mediakit {
 class HttpBody : public std::enable_shared_from_this<HttpBody>{
 public:
     using Ptr = std::shared_ptr<HttpBody>;
-    HttpBody(){}
+    HttpBody() = default;
 
-    virtual ~HttpBody(){}
+    virtual ~HttpBody() = default;
 
     /**
      * 剩余数据大小，如果返回-1, 那么就不设置content-length
@@ -151,7 +151,7 @@ public:
      * @param boundary boundary字符串
      */
     HttpMultiFormBody(const HttpArgs &args,const std::string &filePath,const std::string &boundary = "0xKhTmLbOuNdArY");
-    virtual ~HttpMultiFormBody(){}
+    virtual ~HttpMultiFormBody() = default;
     int64_t remainSize() override ;
     toolkit::Buffer::Ptr readData(size_t size) override;
 
diff --git a/src/Http/HttpCookie.h b/src/Http/HttpCookie.h
index cf478f5c..60e3fbcb 100644
--- a/src/Http/HttpCookie.h
+++ b/src/Http/HttpCookie.h
@@ -27,8 +27,8 @@ class HttpCookie {
 public:
     using Ptr = std::shared_ptr<HttpCookie>;
     friend class HttpCookieStorage;
-    HttpCookie(){}
-    ~HttpCookie(){}
+    HttpCookie() = default;
+    ~HttpCookie() = default;
 
     void setPath(const std::string &path);
     void setHost(const std::string &host);
@@ -52,12 +52,14 @@ private:
  */
 class HttpCookieStorage{
 public:
-    ~HttpCookieStorage(){}
+    ~HttpCookieStorage() = default;
     static HttpCookieStorage &Instance();
     void set(const HttpCookie::Ptr &cookie);
     std::vector<HttpCookie::Ptr> get(const std::string &host,const std::string &path);
+
 private:
-    HttpCookieStorage(){};
+    HttpCookieStorage() = default;
+
 private:
     std::unordered_map<std::string/*host*/, std::map<std::string/*cookie path*/,std::map<std::string/*cookie_key*/, HttpCookie::Ptr> > > _all_cookie;
     std::mutex _mtx_cookie;
diff --git a/src/Http/HttpFileManager.h b/src/Http/HttpFileManager.h
index d30b89b3..330b9fa1 100644
--- a/src/Http/HttpFileManager.h
+++ b/src/Http/HttpFileManager.h
@@ -24,8 +24,8 @@ public:
     typedef std::function<void(int code, const StrCaseMap &headerOut, const HttpBody::Ptr &body)> HttpResponseInvokerLambda0;
     typedef std::function<void(int code, const StrCaseMap &headerOut, const std::string &body)> HttpResponseInvokerLambda1;
 
-    HttpResponseInvokerImp(){}
-    ~HttpResponseInvokerImp(){}
+    HttpResponseInvokerImp() = default;
+    ~HttpResponseInvokerImp() = default;
     template<typename C>
     HttpResponseInvokerImp(const C &c):HttpResponseInvokerImp(typename toolkit::function_traits<C>::stl_function_type(c)) {}
     HttpResponseInvokerImp(const HttpResponseInvokerLambda0 &lambda);
diff --git a/src/Http/HttpRequestSplitter.h b/src/Http/HttpRequestSplitter.h
index a36fdf6b..5ad78bea 100644
--- a/src/Http/HttpRequestSplitter.h
+++ b/src/Http/HttpRequestSplitter.h
@@ -18,8 +18,8 @@ namespace mediakit {
 
 class HttpRequestSplitter {
 public:
-    HttpRequestSplitter(){};
-    virtual ~HttpRequestSplitter(){};
+    HttpRequestSplitter() = default;
+    virtual ~HttpRequestSplitter() = default;
 
     /**
      * 添加数据
diff --git a/src/Http/WebSocketClient.h b/src/Http/WebSocketClient.h
index c5230800..737ebcda 100644
--- a/src/Http/WebSocketClient.h
+++ b/src/Http/WebSocketClient.h
@@ -37,7 +37,7 @@ public:
 
     template <typename... ArgsType>
     ClientTypeImp(ArgsType &&...args) : ClientType(std::forward<ArgsType>(args)...) {}
-    ~ClientTypeImp() override {};
+    ~ClientTypeImp() override  = default;
 
 protected:
     /**
diff --git a/src/Http/WebSocketSession.h b/src/Http/WebSocketSession.h
index 83d7da73..c8d8b432 100644
--- a/src/Http/WebSocketSession.h
+++ b/src/Http/WebSocketSession.h
@@ -82,7 +82,7 @@ template<typename Creator, typename HttpSessionType = mediakit::HttpSession, med
 class WebSocketSessionBase : public HttpSessionType {
 public:
     WebSocketSessionBase(const toolkit::Socket::Ptr &pSock) : HttpSessionType(pSock){}
-    virtual ~WebSocketSessionBase(){}
+    virtual ~WebSocketSessionBase() = default;
 
     //收到eof或其他导致脱离TcpServer事件的回调
     void onError(const toolkit::SockException &err) override{
@@ -248,7 +248,7 @@ template<typename SessionType,typename HttpSessionType = mediakit::HttpSession,
 class WebSocketSession : public WebSocketSessionBase<SessionCreator<SessionType>,HttpSessionType,DataType>{
 public:
     WebSocketSession(const toolkit::Socket::Ptr &pSock) : WebSocketSessionBase<SessionCreator<SessionType>,HttpSessionType,DataType>(pSock){}
-    virtual ~WebSocketSession(){}
+    virtual ~WebSocketSession() = default;
 };
 
 #endif //ZLMEDIAKIT_WEBSOCKETSESSION_H
diff --git a/src/Http/WebSocketSplitter.h b/src/Http/WebSocketSplitter.h
index ee29f447..72b71664 100644
--- a/src/Http/WebSocketSplitter.h
+++ b/src/Http/WebSocketSplitter.h
@@ -51,7 +51,7 @@ public:
         //根据内存地址设置掩码随机数
         _mask.assign((uint8_t*)(&ptr), (uint8_t*)(&ptr) + 4);
     }
-    virtual ~WebSocketHeader(){}
+    virtual ~WebSocketHeader() = default;
 
 public:
     bool _fin;
@@ -71,7 +71,7 @@ public:
     WebSocketBuffer(WebSocketHeader::Type headType, bool fin, ARGS &&...args)
             :  toolkit::BufferString(std::forward<ARGS>(args)...), _fin(fin), _head_type(headType){}
 
-    ~WebSocketBuffer() override {}
+    ~WebSocketBuffer() override = default;
 
     WebSocketHeader::Type headType() const { return _head_type; }
 
@@ -84,8 +84,8 @@ private:
 
 class WebSocketSplitter : public WebSocketHeader{
 public:
-    WebSocketSplitter(){}
-    virtual ~WebSocketSplitter(){}
+    WebSocketSplitter() = default;
+    virtual ~WebSocketSplitter() = default;
 
     /**
      * 输入数据以便解包webSocket数据以及处理粘包问题
diff --git a/src/Record/MPEG.h b/src/Record/MPEG.h
index 86a5b93f..4cb456db 100644
--- a/src/Record/MPEG.h
+++ b/src/Record/MPEG.h
@@ -86,7 +86,7 @@ namespace mediakit {
 
 class MpegMuxer : public MediaSinkInterface {
 public:
-    MpegMuxer(bool is_ps) {};
+    MpegMuxer(bool is_ps) = default;
     ~MpegMuxer() override = default;
     bool addTrack(const Track::Ptr &track) override { return false; }
     void resetTracks() override {}
diff --git a/src/Rtcp/Rtcp.cpp b/src/Rtcp/Rtcp.cpp
index 30060c03..a31df64d 100644
--- a/src/Rtcp/Rtcp.cpp
+++ b/src/Rtcp/Rtcp.cpp
@@ -242,11 +242,9 @@ vector<RtcpHeader *> RtcpHeader::loadFromBytes(char *data, size_t len) {
 class BufferRtcp : public Buffer {
 public:
     BufferRtcp(std::shared_ptr<RtcpHeader> rtcp) { _rtcp = std::move(rtcp); }
-
-    ~BufferRtcp() override {}
+    ~BufferRtcp() override  = default;
 
     char *data() const override { return (char *)_rtcp.get(); }
-
     size_t size() const override { return _rtcp->getSize(); }
 
 private:
diff --git a/src/Rtmp/Rtmp.h b/src/Rtmp/Rtmp.h
index 3f01e088..55802549 100644
--- a/src/Rtmp/Rtmp.h
+++ b/src/Rtmp/Rtmp.h
@@ -207,8 +207,8 @@ class Metadata : public CodecInfo{
 public:
     using Ptr = std::shared_ptr<Metadata>;
 
-    Metadata():_metadata(AMF_OBJECT){}
-    virtual ~Metadata(){}
+    Metadata(): _metadata(AMF_OBJECT) {}
+    virtual ~Metadata() = default;
     const AMFValue &getMetadata() const{
         return _metadata;
     }
@@ -239,7 +239,7 @@ public:
     using Ptr = std::shared_ptr<VideoMeta>;
 
     VideoMeta(const VideoTrack::Ptr &video);
-    virtual ~VideoMeta(){}
+    virtual ~VideoMeta() = default;
 
     CodecId getCodecId() const override{
         return _codecId;
@@ -253,8 +253,7 @@ public:
     using Ptr = std::shared_ptr<AudioMeta>;
 
     AudioMeta(const AudioTrack::Ptr &audio);
-
-    virtual ~AudioMeta(){}
+    virtual ~AudioMeta() = default;
 
     CodecId getCodecId() const override{
         return _codecId;
diff --git a/src/Rtmp/RtmpProtocol.cpp b/src/Rtmp/RtmpProtocol.cpp
index a4899d66..386f5205 100644
--- a/src/Rtmp/RtmpProtocol.cpp
+++ b/src/Rtmp/RtmpProtocol.cpp
@@ -181,13 +181,13 @@ void RtmpProtocol::sendRequest(int cmd, const string& str) {
 
 class BufferPartial : public Buffer {
 public:
-    BufferPartial(const Buffer::Ptr &buffer, size_t offset, size_t size){
+    BufferPartial(const Buffer::Ptr &buffer, size_t offset, size_t size) {
         _buffer = buffer;
         _data = buffer->data() + offset;
         _size = size;
     }
 
-    ~BufferPartial() override{}
+    ~BufferPartial() override = default;
 
     char *data() const override {
         return _data;
diff --git a/src/Rtp/RtpSplitter.cpp b/src/Rtp/RtpSplitter.cpp
index 594d689b..f7175b30 100644
--- a/src/Rtp/RtpSplitter.cpp
+++ b/src/Rtp/RtpSplitter.cpp
@@ -13,12 +13,8 @@
 #include "RtpSplitter.h"
 namespace mediakit{
 
-static const char kEHOME_MAGIC[] = "\x01\x00\x01\x00";
 static const int  kEHOME_OFFSET = 256;
 
-RtpSplitter::RtpSplitter() {}
-RtpSplitter::~RtpSplitter() {}
-
 ssize_t RtpSplitter::onRecvHeader(const char *data,size_t len){
     //忽略偏移量
     data += _offset;
@@ -38,11 +34,10 @@ static bool isEhome(const char *data, size_t len){
     if (len < 4) {
         return false;
     }
-    if((data[0] == 0x01) && (data[1] == 0x00) && (data[2] >=0x01)){
+    if ((data[0] == 0x01) && (data[1] == 0x00) && (data[2] >= 0x01)) {
         return true;
     }
     return false;
-    //return memcmp(data, kEHOME_MAGIC, sizeof(kEHOME_MAGIC) - 1) == 0;
 }
 
 const char *RtpSplitter::onSearchPacketTail(const char *data, size_t len) {
diff --git a/src/Rtp/RtpSplitter.h b/src/Rtp/RtpSplitter.h
index 5e0c51e6..9401691e 100644
--- a/src/Rtp/RtpSplitter.h
+++ b/src/Rtp/RtpSplitter.h
@@ -18,8 +18,8 @@ namespace mediakit{
 
 class RtpSplitter : public HttpRequestSplitter{
 public:
-    RtpSplitter();
-    ~RtpSplitter() override;
+    RtpSplitter() = default;
+    ~RtpSplitter() override = default;
 
 protected:
     /**
diff --git a/src/Rtp/TSDecoder.h b/src/Rtp/TSDecoder.h
index d693827e..fb306502 100644
--- a/src/Rtp/TSDecoder.h
+++ b/src/Rtp/TSDecoder.h
@@ -25,7 +25,7 @@ class TSSegment : public HttpRequestSplitter {
 public:
     typedef std::function<void(const char *data,size_t len)> onSegment;
     TSSegment(size_t size = TS_PACKET_SIZE) : _size(size){}
-    ~TSSegment(){}
+    ~TSSegment() = default;
     void setOnSegment(onSegment cb);
     static bool isTSPacket(const char *data, size_t len);
 
diff --git a/src/Rtsp/RtpCodec.h b/src/Rtsp/RtpCodec.h
index 141f34da..b1acde58 100644
--- a/src/Rtsp/RtpCodec.h
+++ b/src/Rtsp/RtpCodec.h
@@ -74,7 +74,7 @@ public:
         _interleaved = interleaved;
     }
 
-    virtual ~RtpInfo() {}
+    virtual ~RtpInfo() = default;
 
     //返回rtp负载最大长度
     size_t getMaxSize() const {
diff --git a/src/Rtsp/Rtsp.h b/src/Rtsp/Rtsp.h
index 5e7370c6..6bb19d8d 100644
--- a/src/Rtsp/Rtsp.h
+++ b/src/Rtsp/Rtsp.h
@@ -237,9 +237,9 @@ class SdpParser {
 public:
     using Ptr = std::shared_ptr<SdpParser>;
 
-    SdpParser() {}
+    SdpParser() = default;
     SdpParser(const std::string &sdp) { load(sdp); }
-    ~SdpParser() {}
+    ~SdpParser() = default;
 
     void load(const std::string &sdp);
     bool available() const;
@@ -268,7 +268,7 @@ public:
         _payload_type = payload_type;
     }
 
-    virtual ~Sdp(){}
+    virtual ~Sdp() = default;
 
     /**
      * 获取sdp字符串
diff --git a/src/Rtsp/RtspSplitter.h b/src/Rtsp/RtspSplitter.h
index ab310eb4..ca9daed2 100644
--- a/src/Rtsp/RtspSplitter.h
+++ b/src/Rtsp/RtspSplitter.h
@@ -18,8 +18,8 @@ namespace mediakit{
 
 class RtspSplitter : public HttpRequestSplitter{
 public:
-    RtspSplitter(){}
-    virtual ~RtspSplitter(){}
+    RtspSplitter() = default;
+    virtual ~RtspSplitter() = default;
 
     /**
     * 是否允许接收rtp包